UK Building Guides for 2026
Real 2026 UK building costs, planning permission rules, grant schemes and side-by-side comparisons. Every guide is written for UK homeowners — with real prices from vetted builders and up-to-date regulatory data.
Where to start
This library covers UK home improvement from both ends: what it costs and whether you are allowed to build it. If you are pricing a project, start with the cost guides. If you are wondering whether you need permission, start with the planning guides — most extensions, lofts and outbuildings fall under Permitted Development and need no application at all.
Every guide states its review date, uses ranges rather than single figures, and links to the quote form so you can confirm the number for your own property. We do not publish a price we cannot stand behind.
Browse by Category
Five guide categories covering every stage of a UK home improvement project — from the first planning question to the final build cost.
Cost Guides
Real UK prices from vetted builders — updated for 2026
Planning Permission
Permitted Development, planning rules and 2026 regulation updates
Comparisons
Side-by-side comparisons to help you pick the right option
How-To Guides
Step-by-step guides, grants, claims, and builder-vetting checklists
Industry Insights
2026 market data, pricing trends, and long-form analysis
All 2026 UK Building Guides
Get 3 free quotes →Our full library of UK building guides — cost breakdowns, planning rules, how-to walkthroughs and side-by-side comparisons. Newest first.
Compare Extension Builder Contracts (2026)
Compare extension builders in the UK (2026). Learn how to check contracts, variations, payments, insurance and snagging. Avoid hidden costs.
Read guide →Is a Barn Conversion Cheaper Than a New Build? (2026 UK)
Is a barn conversion cheaper than a new build in 2026? A UK cost comparison covering price per m2, the hidden risks of converting, VAT differences (5% vs zero-rated), planning routes and how to get accurate quotes.
Read guide →Is a Barn Conversion VAT Free in 2026? UK Guide
A barn conversion is not zero-rated like a new self-build, but it qualifies for the reduced 5% VAT rate on eligible conversion work, and you can reclaim most of that VAT after completion via the DIY Housebuilder Scheme…
Read guide →Barn Conversion Cost Per m2 2026
A barn conversion costs £1,500-£3,000 per m2 in 2026 (build only), so a 200m2 barn totals £300,000-£600,000 all in. Steel-portal barns are cheapest at £1,200-£1,800/m2; stone and listed barns dearest at…
Read guide →How to Choose an Extension Builder in 2026 UK
Choosing the wrong extension builder is a £15,000+ mistake. The right vetting takes 14 specific checks — accreditation tier, insurance levels, retention terms, contract type, payment schedule, and reference quality…
Read guide →Average Cost of a Detached Extension in 2026 (UK)
A detached extension — a garden room, studio or self-contained annexe standing apart from the house — typically costs £1,300–£2,100 per m² as an insulated garden room, or £2,200–£3,200 per m² for a fully serviced annexe…
Read guide →Is a Driveway Extension Worth It in 2026? UK ROI
A driveway extension in 2026 UK costs £3,500–£12,000 and typically returns £6,000–£18,000 in property value — a 1.5–1.8x ROI ratio that makes it one of the best-return UK home improvements. EV-readiness adds another…
Read guide →How Much Value Does a Home Extension Add? UK 2026
A well-built single-storey rear extension adds 11–15% to a UK home's sale price in 2026. A double-storey extension adds 20–23%. A loft conversion adds 15–20%. But the cash uplift only beats build cost on properties…
Read guide →Barn Conversion Cost UK 2026: £150k–£900k by Size
How much does a barn conversion cost in the UK in 2026? Budget £1,500–£3,000 per m² — £150k–£300k for a 100m² barn and £300k–£600k for 200m² — before purchase, fees, services and contingency. This guide breaks down cost…
Read guide →Do I Need Planning Permission for a Garden Room? UK 2026
Most UK garden rooms in 2026 don't need planning permission — they fall under permitted development if eaves stay under 2.5 m, height under 4 m (dual-pitch) or 3 m (mono/flat), the building covers under 50% of the…
Read guide →Solar vs Roofing Quotes: Which to Do First? (2026 UK)
Solar panels or a new roof first? A 2026 UK guide to sequencing the two jobs: when to re-roof before going solar, when to combine them, and how to avoid paying twice for scaffolding and panel removal.
Read guide →How to Prepare Your Roof for Summer UK 2026
A 90-minute spring roof check prevents 80% of summer storm damage and adds 5–8 years to your roof's service life. Total materials cost: £40–£90. Total cost if you skip prep and a slipped tile causes ceiling water damage…
Read guide →Roofing Felt Replacement Cost 2026 UK
Roofing felt replacement cost in 2026 UK: £450–£2,500+ typical. See price factors, £/m² ranges & get free local quotes.
Read guide →How to Get Planning Permission for a Solar Roof UK
Most UK solar roof installations in 2026 are permitted development under Part 14 of the GPDO — no planning needed if panels don't project more than 200mm above the roof slope and the roof isn't on the principal…
Read guide →Do I Need Planning Permission for a Roof Terrace? UK
A roof terrace in 2026 UK almost always needs planning permission — the General Permitted Development Order 2008 explicitly removed roof terraces from PD rights. Applications average £548 fee, 8–12 weeks decision time…
Read guide →Is a Solar Roof Worth It in 2026 UK?
A 2026 UK solar roof costs £18,000–£32,000 for a Tesla-style integrated tile system on a 70 m² roof, versus £7,500–£14,000 for traditional panel-on-roof PV. The premium is justifiable on three property profiles only:…
Read guide →Compare Roof Types UK 2026: Which Lasts Longest?
Compared by lifespan: natural slate wins outright at 80–150 years, clay tile at 60–100 years, standing-seam zinc/metal at 50–70 years, concrete tile at 40–60 years, EPDM rubber (flat) at 35–50 years, GRP fibreglass…
Read guide →Flat Roof Planning Permission UK 2026
Do I need planning permission for a flat roof in 2026 UK? Most replacements don't — they're covered by Class C Permitted Development. New flat roofs over 4 m height, in conservation areas, or on listed buildings need…
Read guide →Flat Roof Cost UK 2026: £1,800–£12,000
A UK flat roof in 2026 costs £1,800–£3,500 for felt, £2,800–£5,500 for EPDM rubber, £4,500–£9,500 for GRP fibreglass, and £6,500–£12,000 for single-ply on a typical 25 m² garage or extension roof. Material is the…
Read guide →Solar Roof Tiles vs BIPV Cost UK 2026
Solar roof tiles and BIPV both build photovoltaics into the roof instead of bolting panels on top — but they cost very differently. In 2026, full PV roof tiles run £12,000–£25,000 fitted, while an in-roof BIPV panel…
Read guide →Is a Loft Conversion Cheaper Than Moving House? UK 2026
In 2026 UK, a loft conversion typically costs £45,000–£75,000 against £35,000–£60,000 in moving costs (stamp duty, agent, legals, removals) for a like-for-like up-size. On homes priced £400k+ moving is rarely cheaper…
Read guide →How to Plan a Victorian Loft Conversion in 2026 UK
Planning a loft conversion for a Victorian house in 2026 means seven steps: check head height (~2.2-2.3m under the ridge), check planning constraints (conservation areas and Article 4 often remove permitted…
Read guide →Loft Conversion vs Moving House: UK Costs 2026
Is a loft conversion cheaper than moving house in 2026? Compare UK costs, fees, timelines and ROI. Get a fixed-quote loft conversion estimate today.
Read guide →Terrace House Loft Conversion Cost 2026
A terraced-house loft conversion costs £30,000–£85,000 in 2026: Velux £22k–£38k, rear dormer £45k–£70k, L-shaped dormer £55k–£80k, mansard £55k–£68k (UK averages; London and the South East 20–40% higher). Mid-terrace…
Read guide →Loft Room Planning Permission UK 2026: PD Volume Limits
Most UK loft conversions can be built under Permitted Development without a full planning application — but four specific scenarios do require permission, and getting it wrong means a £30,000+ rebuild order. The 2026…
Read guide →Compare Loft Conversion Types UK 2026: Which Is Best?
VELUX rooflight conversions £18k–£32k offer the lowest entry but smallest gain; dormer £35k–£60k is the UK's most popular sweet spot; hip-to-gable £45k–£75k transforms semi-detached lofts; mansard £55k–£95k delivers the…
Read guide →J-Shaped Loft Conversion Cost UK 2026
A J-shaped (also called L-shaped) loft conversion typically costs £55,000–£95,000 fitted in 2026 — more than a single dormer because it combines two roof planes, usually over the main roof and the rear addition of a…
Read guide →How to Plan a Loft Conversion for a Bungalow UK 2026
Bungalows are some of the best candidates for a loft conversion — a large, simple roof void over the whole footprint — but they bring two specific challenges: finding head height under a shallow pitch, and fitting a…
Read guide →Extension vs Loft Conversion: Which Is Faster? (2026)
A 2026 side-by-side comparison of loft conversions and single-storey extensions: build timelines, design and planning lead time, cost per square metre, value added and disruption, plus which is faster and better for…
Read guide →How Long Does a Loft Conversion Take? UK 2026
A UK loft conversion in 2026 takes 6–14 weeks on site — Velux 5–7 weeks, dormer 7–9, hip-to-gable 8–11, mansard 10–14. This insights guide breaks down the week-by-week schedule and the six factors that cause delays.
Read guide →How to Plan a Permeable Driveway in 2026 (UK)
A step-by-step 2026 UK guide to planning a permeable driveway: when you avoid planning permission, how SUDS drainage works, which permeable surfaces to choose, typical costs and how to get vetted installer quotes.
Read guide →Is Block Paving Worth It in 2026? UK Cost & ROI Guide
A 50 m² block paving driveway costs £3,500–£6,500 fitted in 2026 UK — versus £2,200–£3,800 for tarmac and £4,200–£8,500 for resin-bound. Block paving genuinely earns its premium on three property profiles: detached…
Read guide →Is a Resin Driveway SuDS Compliant in 2026? UK Rules Explained
A resin-BOUND driveway is SuDS compliant when it is laid on a permeable sub-base, because water drains straight through the porous surface — so it usually needs no planning permission for drainage. A resin-BONDED…
Read guide →Compare Driveway Materials UK 2026: Which Is Best Value?
Which driveway material is best value in 2026? We compare block paving, resin-bound, tarmac, pattern-imprinted concrete and gravel across 6 criteria — with a 25-year total-cost table, SuDS-compliant picks and a clear…
Read guide →Is a New Driveway Cheaper in Winter? 2026 UK Seasonal Pricing
A new driveway is usually at its cheapest in winter 2026 — once the autumn rush ends, installers' order books thin out and genuine 5–15% negotiating room appears. The catch is the weather: resin needs 5°C and rising…
Read guide →New Driveway Cost UK 2026: Resin, Block, Tarmac & Gravel
UK 2026 new driveway cost guide: £45-£180/m² by surface. Gravel, tarmac, concrete, block paving, resin bound compared. Cost breakdown, size guide, hidden extras and 2026 budget tips.
Read guide →Compare Driveway Costs: Concrete vs Tarmac vs Block Paving 2026
Tarmac is the cheapest driveway material in 2026 UK at around £50–£80/m², concrete sits in the middle, and block paving costs most but lasts longest and adds the most kerb appeal. Here is the full side-by-side…
Read guide →Do I Need Planning Permission for a Driveway? UK 2026
Most UK driveways in 2026 don't need planning — if the surface is permeable or drains to garden. Full 2008 SuDS rules, when planning IS needed, dropped kerb process and enforcement risk.
Read guide →Best Smart Water Timers UK 2026: LinkTap G2S vs Gardena
Smart garden water timers on published UK pricing: LinkTap G2S £80-150, Gardena, Hozelock and Claber from £20 - and which setups stay legal in a hosepipe ban.
Read guide →Best Drip Irrigation Kits UK 2026: Gardena, Hozelock, Claber
UK drip irrigation kits compared on published pricing: Gardena Micro-Drip £30-350, Hozelock Easy Drip £25-200, Claber £20-150 - and when to fit a system instead.
Read guide →Is a Heat-Pump-Ready Home Cheaper to Insure? 2026 UK
A heat pump rarely changes your home insurance premium directly in 2026 - UK insurers price buildings cover on rebuild cost, construction type, flood and subsidence risk and claims history, not heating type. But you…
Read guide →How to Choose a Boiler Installer UK 2026: Vetting Checklist
Gas boiler work is legally restricted to Gas Safe registered engineers, so vetting your installer starts with the register and ends with the paperwork. This 2026 UK guide covers the 7-step vetting process: checking the…
Read guide →Boiler Replacement Building Regs UK 2026: Rules + Certificate
Replacing a boiler in England and Wales is controlled work under the Building Regulations, so every installation must be notified and certified. This 2026 guide explains the two compliance routes, the Building…
Read guide →Is a Heat Pump Cheaper to Run Than Gas in 2026? (UK)
Is a heat pump cheaper to run than gas in 2026? It depends almost entirely on your electricity tariff and how well the pump is installed. On a standard tariff, a good air source heat pump is roughly line-ball with a gas…
Read guide →The £2,500 Air-to-Air Heat Pump Grant: Real in 2026?
The truth about the reported £2,500 air-to-air heat pump grant in 2026: it's a proposed extension, not a live scheme. Here's what genuinely exists now — ECO4 for eligible households, 0% VAT, and why air-to-air is…
Read guide →Is Air Conditioning Worth It in the UK in 2026?
Is air conditioning worth it in the UK in 2026? Cooling + winter heating value case, costs vs benefits, property appeal.
Read guide →How Much Does Underfloor Heating Cost in 2026? (UK)
Wet underfloor heating in 2026 UK costs £45–£75/m² as a retrofit and £30–£55/m² in new build. Electric UFH is £25–£45/m². A whole 3-bed (90 m²) wet system runs £4,500–£9,000 fitted — and pairs perfectly with a heat pump.
Read guide →Is Underfloor Heating Cheaper to Run Than Radiators in 2026? (UK)
UFH is 10–25% cheaper to run than radiators with a gas boiler, up to 40% with an ASHP — because lower flow temps (35–45°C) raise system efficiency. Insulation is half the battle.
Read guide →How Much Does an Air Source Heat Pump Cost in 2026? (UK)
An ASHP in 2026 UK costs £7,500–£14,000 installed (after £7,500 BUS grant). At SCOP 3.5 and 24p/kWh electricity, running cost is broadly on par with a 90% gas boiler.
Read guide →How to Claim a Boiler Upgrade Scheme Grant in 2026 (UK)
The 2026 BUS grant pays £7,500 toward an MCS-certified air source or ground source heat pump (£5,000 biomass) in England & Wales. The installer applies — not you. Now with a £1,500 off-gas uplift (up to £9,000).
Read guide →Solar Panels vs Heat Pump: Cost Compared 2026 (UK)
Solar panels and heat pumps solve different problems: solar cuts your electricity bill, while a heat pump replaces your heating. A typical 4kW solar system costs £5,000–£8,000 and saves £400–£700 a year; an air source…
Read guide →Solar Panel Costs by Size: Best Value in 2026 UK?
For a typical UK 3-bed home, a 4kW solar system (around £6,000–£8,000 installed in 2026) is usually the best-value sweet spot, generating roughly 3,400–3,800 kWh a year with a 9–11 year payback. Larger 6kW–8kW systems…
Read guide →Solar Panel Installation Cost — August 2026 (UK)
Solar panel installation costs about £1,400–£1,800 per kWp in August 2026, so a typical 4kWp system runs £5,500–£7,500 fitted and a 6kWp system £8,500–£11,500. Domestic solar still carries 0% VAT until 31 March 2027…
Read guide →Compare Solar Panel Installers UK 2026
For a typical 4–5 kWp UK home system in 2026, national installers quote £7,500–£12,500 with 10–25-year warranties. Local MCS-certified installers are 10–20% cheaper but with thinner support. This guide ranks 7 UK solar…
Read guide →Which Solar Panels Are Best Value in 2026? UK Guide
For most UK homes in 2026, Tier-1 monocrystalline panels in the 430–460W range offer the best cost-per-kWh over 25 years. This 7-brand comparison ranks JA Solar, Longi, Trina, Jinko, REC, Panasonic and SunPower Maxeon…
Read guide →Average Cost of a Solar Panel System in 2026 (UK)
The average cost of a solar panel system in 2026 is about £6,500–£9,000 for a typical UK home — a 4–5 kWp array fully installed — rising to £11,000–£16,000 with battery storage. Small systems start near £5,000 and…
Read guide →How to Plan a Solar Diverter for Hot Water (2026)
A 2026 UK guide to planning a solar PV diverter that sends surplus solar to your immersion heater for free hot water: how it works, leading devices, eligibility, a 6-step plan, realistic savings and SEG export-tariff…
Read guide →How to Choose a Solar Battery UK 2026
UK 2026 guide to choosing a solar battery: 5 specs that matter, LFP vs NMC, household sizing table, side-by-side comparison of the 6 most-installed brands, and common mistakes to avoid.
Read guide →How to Get a Free Solar Panel Grant in 2026 UK
2026 guide to UK solar panel grants including ECO4, Warm Homes Plan and HUG3. Who qualifies, how to apply, and how to avoid scams. Free eligibility check.
Read guide →Solar Panels vs Heat Pump: Which Saves More? UK 2026
2026 comparison of solar panels and heat pumps for UK homes. Costs, grants, payback times and lifetime savings — plus the combined strategy for maximum bill reduction.
Read guide →Is a Kitchen Renovation Worth It in 2026? UK ROI
A mid-tier (£18k–£35k) kitchen renovation returns 1.3–2x in resale uplift on UK homes priced £300k–£500k — the highest ROI of any single-room renovation. Premium tier (£35k+) only pays back on £1m+ homes. The single…
Read guide →Solar vs New Kitchen 2026: Which Adds More Value? (UK)
Solar panels or a new kitchen — which adds more value to a UK home in 2026? A new kitchen usually wins on resale uplift and buyer appeal; solar wins on running-cost savings, EPC rating and long-term ownership. We…
Read guide →Which Builder for a Kitchen Renovation? UK 2026 Guide
Three types of professional can build your kitchen - direct fitters, KBSA specialists, or main contractors. Each costs different money and does different projects well. This 2026 guide compares them by price, quality…
Read guide →New Kitchen Cost UK 2026: £8k–£75k
A UK new kitchen in 2026 costs £8,000–£18,000 budget, £18,000–£35,000 mid-range, and £35,000–£75,000+ premium — with units, worktops, appliances, and labour split fairly evenly. Here's the real cost ladder by spec tier…
Read guide →Average Cost of a New Kitchen 2026 (UK): What to Budget
The average new kitchen costs roughly £10,000–£20,000 supplied and fitted in 2026, with budget kitchens from £5,000 and premium designs reaching £40,000 or more. The figure you pay turns on size, unit quality, worktops…
Read guide →Kitchen Worktop Cost UK 2026 (Laminate, Quartz, Granite & Solid Wood)
A new kitchen worktop typically costs £300–£3,500+ fitted in 2026, depending almost entirely on the material — budget laminate at the bottom, engineered quartz and granite in the middle, and premium solid surface or…
Read guide →How Much to Fit a Kitchen (Labour Only) in 2026? UK Costs
Labour-only kitchen fitting in 2026 typically costs £1,000 to £5,000 depending on size, with a medium kitchen around £1,800 to £3,000 in labour on top of the units and worktops you supply. This guide breaks down day…
Read guide →How to Plan a Kitchen Renovation Step-by-Step in 2026 (UK)
A UK kitchen renovation in 2026 typically costs £15k–£45k and takes 4–8 weeks on site. Plan it in 9 steps — budget, design, structural, services, appliances, trades, lead times, install, snagging — and you avoid the…
Read guide →How to Plan a Kitchen Refit Budget (2026 UK Guide)
Planning a kitchen refit budget in 2026 means knowing where the money really goes: units, worktops, appliances, fitting and the trades behind the walls. A typical mid-range UK kitchen refit costs £10,000-£20,000, with…
Read guide →Average Cost of a Kitchen Renovation Per m² 2026 (UK)
A kitchen renovation costs roughly £1,000–£1,500 per m² at budget spec, £1,500–£2,500 per m² mid-range and £2,500–£4,000 per m² at high end in 2026, before any structural work. So an average 12m² kitchen lands around…
Read guide →Bathroom Adaptation Grants UK 2026: DFG & How to Apply
In 2026 UK, the Disabled Facilities Grant (DFG) covers up to £30,000 (£36,000 in Wales) towards an accessible bathroom — walk-in showers, grab rails, level access. Means-tested for adults but not for children. Apply via…
Read guide →New Bathroom Cost Per m² UK 2026
A new bathroom costs roughly £1,500–£2,400 per m² fitted for a mid-spec refit in 2026 — so about £7,500–£12,000 for a typical 5m² UK family bathroom. Budget refreshes start near £900/m² and premium schemes reach…
Read guide →How Much Does a Wet Room Cost in 2026? (UK)
A wet room costs £5,000–£12,000 to install in 2026, with most standard 4–5m² conversions around £6,000–£8,500. Small cloakroom wet rooms come in under £5,000; large or fully accessible rooms reach £15,000. Around a…
Read guide →How Long Does a Bathroom Renovation Take? UK 2026
Most UK bathrooms in 2026 are finished in 2–4 weeks — an en-suite refresh can wrap in 7–10 days, while full layout changes with tiling and underfloor heating run to 4–6 weeks. Here's the realistic week-by-week schedule…
Read guide →New Bathroom Cost Per m² 2026 UK
A new bathroom costs about £1,500–£2,400 per m² fitted for a mid-spec refit in 2026 — roughly £7,500–£12,000 for a typical 5m² UK family bathroom. Budget refreshes start near £900/m² and premium schemes reach £4,000/m²…
Read guide →Compare Bathroom Fitters: How to Choose One in 2026
How to compare bathroom fitters in 2026: vet insurance and qualifications, read quotes line by line, understand fixed price vs day rate, and use an 8-point checklist before you hire. Get 3 free quotes.
Read guide →Bathroom Suite Cost UK 2026 (Cloakroom, 3-Piece, Premium & Fitted)
A new bathroom suite typically costs £150–£3,000+ supplied in 2026 depending on whether it is a basic cloakroom set, a standard 3-piece suite or a premium wall-hung range — and a full fitted bathroom lands at…
Read guide →How to Plan a Bathroom Renovation Step by Step (2026 UK)
A UK bathroom renovation in 2026 typically costs £5,500–£15,000 and runs 2–4 weeks on site. Plan the layout, budget and trade sequence before ordering anything — half of all bathroom overruns come from late spec changes.
Read guide →How to Plan a Wet Room Installation in 2026 (UK Step-by-Step)
A step-by-step 2026 UK guide to planning a wet room — assessing the floor structure, choosing a full tanking system, setting drainage falls, meeting Part P and Part F building regs, and hiring a qualified fitter…
Read guide →How Much Does a New Bathroom Cost in 2026? (UK)
A new bathroom typically costs £3,000–£8,000 in 2026, with a small budget refit from around £3,000, a standard family bathroom £5,000–£8,000, and a large or high-end room £8,000–£15,000 or more. Labour is the biggest…
Read guide →Garage Conversion Cost Per m² UK 2026
A complete 2026 UK garage conversion cost-per-m² guide: real pricing from £700 to £2,000 per square metre by spec, what drives the bill (insulation, damp-proofing, plumbing), regional variations, a worked example and…
Read guide →How to Plan a Garage Conversion Step-by-Step (2026 UK)
A garage conversion is one of the cheapest ways to add a room in 2026 — typically £8,000–£18,000 for an integral single garage. This 8-step framework takes you from feasibility check and planning route through…
Read guide →Garage Roof Replacement Cost 2026
Full 2026 UK cost guide to replacing a garage roof: felt, EPDM, GRP and tiled prices by material and garage size, plus asbestos removal costs, timber deck repairs, lifespan and FAQs.
Read guide →Is a Garage Conversion Worth It in 2026? UK ROI
A UK garage conversion in 2026 typically costs £9k–£18k and adds £12k–£25k to house value — a 30–60% net ROI. But in certain regions, for certain home types, a conversion can actually hurt resale. Full 2026 data…
Read guide →Do I Need Planning Permission for a Garage Conversion? UK 2026
2026 UK garage conversion: PD vs planning, Building Regs, costs £500-1,000 council fees + £600-1,500 architect. Process, timeline, value impact.
Read guide →How to Choose a Garage Conversion Builder (2026 UK Checklist)
A typical single garage conversion costs £8,000–£18,000 in 2026, and the builder you pick decides whether it sails through building control or becomes a saga. This UK guide gives you the full vetting checklist: seeing…
Read guide →Planning Permission for a Two-Storey Garage 2026 UK
Planning a two-storey garage in 2026? In almost every case the answer is yes, you need planning permission — permitted development rights for outbuildings only cover single-storey buildings up to 4m high. This guide…
Read guide →Are Insulated Garage Doors Worth It? 2026 UK
An insulated garage door costs £300–£700 more than a single-skin equivalent. For an integral garage or a garage used as a room, the heat-loss and noise savings make it worth it; for a detached, unheated garage the case…
Read guide →How to Automate an Existing Garage Door 2026 UK
You can retrofit an electric motor to most existing garage doors for £400–£1,200 fitted . This 2026 guide covers which doors can be automated, the operator and safety sensors you need, and the step-by-step process.
Read guide →Roller vs Sectional vs Up-and-Over Garage Doors 2026
Choosing between a roller , sectional and up-and-over garage door comes down to driveway space, insulation, security and budget. This 2026 comparison shows which type wins for each — with fitted costs.
Read guide →FENSA Check 2026: Verify a FENSA Registered Installer UK
FENSA only covers replacement windows and doors in England and Wales. Before you hire, ask for the installer's FENSA number, verify it on the official register at fensa.org.uk, and ask to see a recent FENSA certificate…
Read guide →Structural Engineer Cost UK 2026
A 2026 UK guide to structural engineer costs: fixed fees by job (beam/RSJ calcs £300-£600, surveys £400-£900, extension design £500-£1,500), hourly and day rates, when the law requires one, and how to hire a chartered…
Read guide →Do I Need Planning Permission for a Sunroom? UK 2026
Most UK sunrooms under 30m² sit within Permitted Development — but conservation areas, Article 4 directions, the principal elevation rule and the 50% curtilage cap flip the answer. The complete 2026 decision tree with…
Read guide →How to Check a Builder's Contract 2026 — Before You Sign
Before you sign with any builder in 2026, check the contract line by line: is the price fixed or an estimate, is there a written payment schedule tied to completed stages, are start and completion dates stated, and how…
Read guide →Part E Sound Testing for Flat Conversions 2026 UK
If you're converting a house into flats or creating new dwellings, Building Regs Part E applies and you'll usually need pre-completion sound testing to prove the separating walls and floors hit the dB targets. This 2026…
Read guide →How to Check a Builder Is Registered & Vetted (2026 UK Guide)
Before hiring, check a builder against Companies House, the right trade body (FMB, TrustMark, Gas Safe, NICEIC, NFRC), public liability insurance and independent reviews. This guide compares each register and gives you…
Read guide →How to Check a Builder Is Insured 2026 — The 5 Documents to Ask For
Before you let any builder on site in 2026, confirm they carry at least £2m public liability insurance, employer's liability if they have staff, and an insurance-backed workmanship warranty. Here are the five documents…
Read guide →How to Check a Builder's References 2026 — The Questions to Ask
Before you hire any builder in 2026, check their references properly: ask for two or three recent customers, visit or call them, ask specific questions about timekeeping, budget and snagging, and back it up with online…
Read guide →How to Check a Builder Is Accredited in 2026 (UK Verification Guide)
Check a builder is accredited by verifying their membership on the scheme's official online register — never trust a logo on a van or website alone. FMB, TrustMark, CIOB and Which? Trusted Traders all offer free public…
Read guide →Compare Builders: How to Spot a Rogue Trader in 2026 (UK)
Rogue traders share seven warning signs: no written quote, cash-only or big deposits, no verifiable address, pressure to decide today, a too-new company, unconfirmable insurance and untraceable reviews. Verify each in…
Read guide →Is a Driveway EV Charger Install Cheaper in 2026? (UK)
A driveway EV charger install costs 800-1,200 in 2026 and is far cheaper to run than public charging: off-peak home tariffs near 7p/kWh give a 3-5 pound full charge versus 60-80p/kWh in public. Off-street parking also…
Read guide →Is an EV Charger Worth It in 2026? (UK)
A home EV charger in 2026 UK costs £800–£1,500 fitted (£300–£1,000 after the £500 OZEV EVCG grant for eligible households). It saves £600–£1,200/year vs public rapid charging — payback under 2 years for any EV driving…
Read guide →Compare EV Charger Brands: Zappi vs Ohme vs Andersen 2026 (UK)
Zappi, Ohme and Andersen are the three best-selling 7.4kW home EV chargers in the UK for 2026. Compare fitted prices, smart features, solar support, warranty and grants to choose the right one for your home.
Read guide →Compare Electricians: How to Choose One for Rewiring 2026 (UK)
Compare UK electricians for a 2026 house rewire by checking Part P registration (NICEIC, NAPIT or ELECSA), getting three matched quotes, confirming included scope and asking for references.
Read guide →How Long Does a Rewire Take in 2026? (UK)
A full house rewire takes around 5–10 days for a typical 3-bed in 2026 UK, 3–5 days for a flat, and 2–3 weeks for larger homes. Here is the full timeline stage by stage, what makes it longer, and how to plan around the…
Read guide →How to Get an EV Charger Grant in 2026 (UK)
The EV chargepoint grant gives eligible UK renters, flat owners and landlords up to £350 off a home charger in 2026. Here is who qualifies, how much you can claim, and the step-by-step process to apply through an…
Read guide →How to Hire a Trusted Electrician for Rewiring 2026 (UK)
Hiring a trusted electrician for a rewire in 2026 means checking NICEIC or NAPIT registration, Part P competence, insurance and references before you compare quotes. Here is how to vet electricians and avoid the common…
Read guide →How Much Does an EV Charger Installation Cost in 2026? (UK)
A home EV charger typically costs £800–£1,500 fully installed in 2026, with a 7kW unit the most popular choice. Grants can reduce the cost for eligible flat owners and renters. Here is the full UK cost breakdown and…
Read guide →How Much Does a House Rewire Cost in 2026? (UK Price Guide)
A full house rewire costs roughly £3,500–£9,000+ in 2026 depending on the size of the property and the number of rooms. A two-bed flat starts around £3,500, while a large four-bed house can exceed £9,000. Here is the…
Read guide →EICR Certificate: What It Is, Who Needs It & Costs 2026
An EICR is a formal safety check of a property's fixed wiring. Here is what an EICR certificate covers, who legally needs one, how landlord and homeowner requirements differ, typical UK costs, and how to choose a…
Read guide →🪜 Scaffolding, Skips & Site Guides
How Long Can Scaffolding Stay Up on a Job? (2026 UK)
On private land there is no fixed legal limit on how long scaffolding can stay up, but your hire contract sets the included period, usually 6 to 8 weeks, after which you pay weekly. On a public highway a council licence…
Read guide →Moving House 2026: Removals, Clearance and End-of-Tenancy Cleaning
What to book and when for a 2026 UK house move: removals lead times, what a real removals quote includes, house clearance versus skip hire, and end-of-tenancy cleaning.
Read guide →Do I Need a Licence for Scaffolding? UK 2026
You only need a scaffolding licence if the scaffold stands on a public footpath or road. Scaffold on your own drive or garden usually needs none. Full 2026 council licence rules, costs, lead times and penalties.
Read guide →Do I Need a Permit for a Skip? UK 2026
You only need a skip permit if the skip sits on a public road or verge. A skip on your own driveway needs none. Full 2026 council permit rules, costs, requirements, how to apply and penalties.
Read guide →Gas Fire Removal UK 2026: Cost, Options & Safe Disconnection
Removing a gas fire safely means having the supply disconnected and capped by a Gas Safe registered engineer, which typically costs £80–£200 on its own, or more as part of a full fireplace removal. Here we compare…
Read guide →Load-Bearing Wall Removal Cost 2026 (UK Prices)
A 2026 UK guide to load-bearing wall removal costs: typically £1,500-£4,000+ once you add the structural engineer, steel beam, building control, labour and making good, versus £400-£900 for a non-structural stud wall…
Read guide →Asbestos Removal Cost 2026 (UK Prices by Job Type)
2026 UK asbestos removal costs by job type, from cement garage roofs and Artex ceilings to licensed work on insulating board and lagging, plus survey and air-testing prices, disposal, and when managing asbestos in place…
Read guide →Spray Foam Insulation Removal Cost 2026 (UK Prices)
What it costs to remove spray foam insulation from a UK loft in 2026, split by open-cell and closed-cell foam and by roof size, plus the roof repairs that typically surface once the foam is off and the paperwork lenders…
Read guide →Average Removal Costs for a 3-Bed House 2026 (UK Prices)
Average 2026 UK removal costs for a three-bedroom house, broken down by distance, packing level and the extras that catch people out, plus what a moving day actually looks like and six practical ways to cut the bill.
Read guide →Load-Bearing Wall Removal 2026: Options, Rules & Who to Hire (UK)
Removing a load-bearing wall needs a structural engineer, a specified beam and building regulations approval. This guide compares RSJ, goalpost, flitch and lintel options, sets out what the rules require, explains who…
Read guide →🔧 Plumbing Guides
Is a Driveway Drainage Channel Required in 2026? UK Rules
Since 2008, a non-permeable driveway over 5m² draining to the public highway needs planning permission in the UK. To stay within permitted development you must manage runoff on-site — usually a drainage channel feeding…
Read guide →How to Plan Driveway Drainage in 2026 (UK Step-by-Step)
Plan driveway drainage by checking SuDS rules first: any new non-permeable driveway over 5 m² draining to the road needs drainage or planning permission. Choose permeable surfacing, channel drains or a soakaway sized to…
Read guide →How Much Does It Cost to Re-Plumb a House in 2026? (UK)
A full re-plumb in 2026 UK costs £4,500–£9,500 for a 3-bed semi or £8,000–£18,000 for a 4–5 bed. Plastic push-fit (PEX) cuts labour 30% vs copper and is the 2026 default.
Read guide →How to Hire a Trusted Plumber in 2026 (UK)
Plumbing problems are urgent, and urgency is exactly when people skip the checks and get burned. The 7-step vetting process BestBuilders uses to screen every plumber on our register — Gas Safe, WaterSafe, insurance…
Read guide →Do I Need Planning Permission for a Sun Pipe? (2026 UK)
For most homes the answer is no. Installing a sun pipe (sun tunnel / light tube) normally falls under permitted development, so no planning application is needed — provided it projects no more than 150mm above the roof…
Read guide →Compare Plumbers UK 2026: How to Choose the Right One
Choosing a UK plumber in 2026: insist on Gas Safe for any gas work, WaterSafe for mains, written fixed-price for defined jobs, hourly for diagnostic. Get 3 quotes via vetted platforms. Insurance £2m public liability…
Read guide →Plumbing Job Cost UK 2026
A 2026 UK plumbing job costs £45-£95 per hour. Tap replacement £80-£160, leak repair £120-£280, radiator swap £140-£260, bathroom refit £1,800-£4,500. Emergency call-out adds 50-100%. Full 2026 ladder by job type.
Read guide →How Long Do Copper Pipes Last in UK Homes? 2026
In UK homes , copper hot and cold mains pipework typically lasts 50–100 years ; copper central-heating circuits last 25–40 years before pinhole-leak risk rises. Soft-water areas (NW Scotland, Wales, SW England) last…
Read guide →Do I Need Planning Permission for Plumbing Work? UK
Internal UK plumbing work doesn't need planning permission in 2026. Air-source heat pumps over the Class G envelope, external soil stacks in conservation areas, and large oil tanks may. Building Regs Parts G, H, J and L…
Read guide →How Much Do Plumbers Charge Per Hour? (2026 UK)
What plumbers charge per hour in the UK in 2026: typical hourly and day rates, callout and minimum charges, emergency and out-of-hours premiums, London versus regional variation, and what is normally excluded from the…
Read guide →📈 Adding Value & ROI Guides
Does an Extra Bedroom Add Value to a House UK? 2026
Yes — more reliably than almost anything else. An extra bedroom typically adds 10–20% to a UK home's value, with loft conversions at the top of that range and internal reconfiguration at the bottom. The catch: it only…
Read guide →How to Add Value to Your House in 2026 (UK Guide)
The complete 2026 UK plan for adding value to your house — from cheap presentation wins to space-adding projects like lofts and extensions. A clear step-by-step method to spend where it pays and skip what doesn't.
Read guide →How to Add Value to a House in London (2026)
London is the one market where adding space almost always pays. This 2026 guide shows how to add value to a house in London — loft and mansard conversions, side-return extensions and the improvements that command the…
Read guide →How to Improve Kerb Appeal to Add Value (UK 2026)
First impressions set the price. This 2026 UK guide shows how to improve kerb appeal to add value — the front door, driveway, planting, lighting and render fixes that make buyers offer more before they even step inside.
Read guide →Which Home Improvements Add Most Value by UK Region (2026)
The same loft conversion adds three times more value in London than in the North East. This 2026 comparison shows which home improvements add the most value in each UK region — so you back the right project for your…
Read guide →Home Improvements That Devalue Your House (UK 2026)
Some improvements quietly cost you money. This 2026 UK guide names the home improvements that devalue your house — over-personalised decor, lost bedrooms, poor conversions and unsigned-off work — and how to avoid…
Read guide →Home Improvements With the Best ROI in 2026 (UK)
Which home improvements actually return the most per pound in 2026? This UK ranking scores the top projects by ROI — factoring cost, value uplift and how reliably each recovers its spend — so you back the winners, not…
Read guide →Is It Worth Renovating Before Selling in 2026? UK
Renovating before you sell can add value — or tie up cash you never recover. This 2026 UK insight weighs the maths honestly: which renovations pay back before a sale, which don't, and when selling as-is is the smarter…
Read guide →How to Increase House Value Before Selling (UK 2026)
Selling soon? This 2026 UK plan shows exactly what to fix and what to skip to increase your house value before selling — focused on the low-risk improvements that recover their cost and speed up the sale.
Read guide →Cheap Ways to Add Value to Your Home (UK 2026)
You don't need an extension to add value. These 2026 UK budget improvements — most under £2,000 — remove buyer objections and lift your home's value and saleability, ranked by return per pound spent.
Read guide →🪟 Windows, Doors & Glazing Guides
Triple Glazing Cost UK 2026: Prices Per Window & House
A 2026 UK guide to triple glazing costs: prices per window by size and style, whole-house totals, the triple vs double glazing premium, U-values, frame materials, noise, condensation and whether it's worth it.
Read guide →Do I Need Permission to Replace Windows? 2026 UK
For most homes, replacing like-for-like windows is permitted development — no planning permission needed — but it must meet Building Regs , usually via a FENSA or CERTASS registered installer. Conservation areas and…
Read guide →Is Double Glazing Worth It? 2026 UK Payback
Double glazing is worth it when you're replacing single glazing or failed units — it cuts heat loss, kills draughts, reduces noise and adds resale appeal. Pure energy payback is long (often 10+ years), but comfort…
Read guide →uPVC vs Aluminium vs Timber Windows 2026
Choosing a window frame in 2026 means weighing uPVC (cheapest, low-maintenance), aluminium (slim sightlines, modern, durable) and timber (heritage looks, repairable, premium). This comparison shows which wins on cost…
Read guide →Double Glazing Cost UK 2026: £450–£900 a Window
In 2026 UK , double glazing costs £450–£900 per window , £4,500–£8,500 for a whole-house uPVC job, and £8,000–£18,000 in aluminium or heritage timber . Price depends on frame material, window count, glass spec and…
Read guide →Do I Need Planning Permission for a Bay Window in 2026? (UK)
Most bay windows in 2026 fall under permitted development, but listed buildings, conservation areas and large new projections still need planning permission. Full UK guide to the rules.
Read guide →Double Glazing Near Me 2026: How to Choose a Window Installer
Replacement windows are notifiable work, so the installer must self-certify. Insist on FENSA or CERTASS registration and an insurance-backed guarantee, check the frame spec and energy rating, ignore 'sign tonight'…
Read guide →Does Double Glazing Add Value to Your House UK? 2026
Yes, modestly — and defensively. Double glazing typically shifts value by 3–7% , but most of that is avoiding a discount rather than earning a premium. A still-single-glazed home is where the swing is biggest…
Read guide →Best Double Glazing Companies UK: How to Compare (2026)
A 2026 UK guide to comparing double glazing companies properly: what FENSA and CERTASS registration actually certify, how to read U-values and WER ratings, frame material trade-offs, and how to protect your deposit.
Read guide →🎨 Painting & Decorating Guides
How Much to Plaster a 3-Bedroom House in 2026? (UK Costs)
Plastering a 3-bedroom house typically costs £4,000–£7,500 for a full skim in 2026, rising to £7,000–£13,000 where walls are hacked back, re-boarded and skimmed. A single room runs £350–£700 to skim or £700–£1,400 to…
Read guide →Exterior Painting & Decorating Cost UK 2026 (Full Breakdown)
Exterior painting and decorating in the UK in 2026 runs £2,800–£6,800 for a 3-bed semi fully prepped and 2-coated. The cost driver is prep, scaffolding and surface condition — not the paint. Full ladder, multipliers…
Read guide →Painters & Decorators Near Me 2026: How to Choose (UK Guide)
Anyone can roll paint, so decorating quotes vary and a cheap price often hides skipped prep. What protects you is checking public liability insurance, PDA or Dulux Select membership and an itemised preparation spec…
Read guide →Best Painters & Decorators Near Me 2026: How to Choose (UK)
In decorating, a low quote is most tempting and most misleading, because most of a good finish is preparation you never see. There is no official ranking near you. Check PDA or Dulux Select membership, insurance, a…
Read guide →How Long Does Exterior Paint Last? UK 2026 Guide
In UK homes , exterior paint lifespan varies massively by substrate: standard masonry paint 8–15 years , silicone/breathable masonry 15–20 yrs , K Rend or pre-coloured silicone render 20–25 yrs , wood (windows, fascias…
Read guide →Do I Need Planning Permission to Redecorate? UK 2026
Painting and decorating doesn't need planning permission for an ordinary UK house in 2026 — interior, exterior, woodwork all PD. Listed buildings need Listed Building Consent for any work affecting character…
Read guide →Painter and Decorator Day Rate 2026 (UK Prices)
UK painter and decorator day rates for 2026, with per-room and per-square-metre pricing, London versus regional variation, minimum charges, and what is normally excluded from a decorating quote.
Read guide →Best Painters and Decorators UK: How to Choose (2026)
A 2026 UK buyer's guide to choosing painters and decorators: which accreditations matter, how to judge preparation quality, what to expect on price, and how to compare quotes on a like-for-like basis.
Read guide →🪚 Carpentry & Joinery Guides
How Much Does a Carpentry Job Cost in 2026? (UK)
A qualified UK carpenter charges £180–£280 a day in 2026, or fixed prices for common jobs: £60–£120 to hang a door, £400–£700 for a stud wall, £1,200–£3,500 for bespoke fitted wardrobes. We break down first-fix vs…
Read guide →Joiners Near Me 2026: How to Choose One (UK Guide)
Joinery is the precision end of woodwork: bespoke staircases, fitted wardrobes and second-fix finish. There is no honest ranking of joiners. What protects you is checking City & Guilds/NVQ qualifications, Guild of…
Read guide →Best Carpenters & Joiners Near Me 2026: How to Choose (UK)
Carpentry ranges from hanging a door to a bespoke staircase, so the best carpenter is the one whose skills match your job. There is no national ranking near you. Check City & Guilds or NVQ qualifications, Guild of…
Read guide →How Long Does a Fitted Wardrobe Last? UK 2026 Guide
In UK homes , a fitted wardrobe typically lasts 15–40+ years depending on materials. Budget MDF/melamine carcass lasts 15–20 yrs; veneered MDF 20–30 yrs; solid hardwood (oak, ash) 30–40+ yrs . Hinges, soft-close runners…
Read guide →Do I Need Planning Permission for Carpentry? UK 2026
Most UK carpentry and joinery doesn't need planning permission in 2026 — fitted wardrobes, bespoke kitchens, flooring, internal doors all PD. Listed buildings need Listed Building Consent for original sash windows…
Read guide →Carpenter Day Rate 2026: UK Prices & Job Costs
UK carpenter and joiner day rates for 2026, with per-job prices for hanging doors, fitting skirting, staircases, decking and bespoke units, regional variation and what quotes exclude.
Read guide →Best Carpenters Near Me: How to Choose (2026 UK)
A 2026 UK buyer's guide to choosing a carpenter: the difference between first fix, second fix and joinery, which accreditations matter, typical day rates and how to compare quotes properly.
Read guide →🧣 Insulation & Energy Saving Guides
Landlord EPC C by 2030: Upgrade Cost (2026 UK)
What the proposed EPC C rule means for landlords in England & Wales: the 2028/2030 timeline, the ~£15,000 cost cap, which upgrades move a home from D/E to C and their costs, available grants (ECO4, BUS), non-compliance…
Read guide →Awaab's Law Private Landlords: Damp & Mould Rules 2026
Awaab's Law does not yet cover private landlords — but the Renters' Rights Act 2025 will change that. The exact status in July 2026, the 24-hour and 10-day deadlines coming, fines up to £40,000, real damp and mould…
Read guide →ECO4 Grant 2026: Eligibility & How to Apply (UK)
Full 2026 UK guide to the ECO4 grant scheme: who qualifies (benefits or LA Flex), what's funded (up to £14,000 of insulation + heating), the 4-step application process, and how to avoid the cold-call scams surrounding…
Read guide →Is a Warm Homes Plan Grant Worth It in 2026? (UK)
A Warm Homes Plan grant can be well worth it if you qualify — insulation and low-carbon heating funding cuts both upfront cost and bills. Whether it pays depends on your home, your eligibility and which measure you…
Read guide →Does EPC Rating Affect House Value? UK 2026
Yes — but less than headlines suggest. Moving up one EPC band typically shifts value by only 1–2% ; the gap between a band G and a band C home is more meaningful. The larger effects are on saleability , access to green…
Read guide →Warm Homes Plan Grant 2026: Insulation Up to £15,000
How to apply for a 2026 Warm Homes Plan grant covering loft, cavity-wall and external insulation — eligibility, the 7-step application, what gets funded, plus a £12,400 case study.
Read guide →🚨 Alarms & Security Guides
Do I Need Planning Permission for a Burglar Alarm? 2026 UK
For a normal house, fitting a burglar alarm needs no planning permission — but the external bell box on a listed building needs Listed Building Consent, and CCTV that films beyond your boundary brings data-protection…
Read guide →Burglar Alarm Installation Near Me 2026: How to Choose (UK)
If you want police response or insurer recognition, the alarm installer must be NSI or SSAIB accredited — only they can register a police URN and certify the system. Match the alarm grade and monitoring type to your…
Read guide →Best Burglar Alarm Installers UK: How to Choose (2026)
A 2026 UK buyer's guide to choosing a burglar alarm installer: why NSI or SSAIB certification decides whether you can get police response and insurance recognition, alarm grades, monitoring options and realistic costs.
Read guide →📚 More Guides
Cost to Extend a Bungalow in 2026 (UK)
Extending a bungalow typically costs £2,000–£2,800 per m² in 2026, so a 20m² rear extension lands around £40,000–£56,000. Converting the roof space into bedrooms runs £35,000–£65,000, while adding a full second storey…
Read guide →Survey Found Problems? What to Fix Before You Move In (2026 UK)
Your survey found damp, roof or wiring problems. A 2026 UK guide to which findings matter, what to fix before you move in, and how to renegotiate with evidence.
Read guide →Moving Home Checklist 2026: Building Work to Do Before You Move In
A 2026 UK moving home checklist: which building work to do before you move in, when to book each trade, the services to arrange and the certificates to collect.
Read guide →PAT Testing: What It Is, Who Needs It & Costs 2026
PAT testing checks that portable electrical appliances are safe to use. Here is what it covers, who actually needs it, how DIY compares with a professional tester, typical UK costs, and how to choose a competent tester…
Read guide →Real 2026 Prices From Real UK Builders
Every cost figure in our guides is cross-referenced against three sources: real quotes from UK builders on our platform, industry reports from Rider Levett Bucknall, RICS, and the BCIS Building Cost Information Service, and homeowner feedback on completed projects.
Independently Verified
Prices cross-checked against BCIS, RICS and Rider Levett Bucknall 2026 data — not guesses.
UK-Specific Data
Regional variation built in — London, South East, Midlands, North, Wales and Scotland pricing.
Updated for 2026
Every guide reflects 2026 Part L Building Regs, 2026 labour rates, and current grant schemes.
Which guide do you need?
| If you want to know… | Start here |
|---|---|
| What a project should cost, and what is included at that price | Cost guides |
| Whether you need planning permission or it is permitted development | Planning guides |
| Which of two options is better value — materials, methods or suppliers | Comparison guides |
| How a job is actually done, step by step, and what to check | How-to guides |
| What is moving prices, timings and value in the wider market | Industry insights |
Most projects need two of these: a cost guide to set the budget and a planning guide to confirm you can build it. The quickest route to a firm number is the cost guide plus three quotes.
Where our figures come from
Every range is built from our 2026 regional cost model across 519 UK towns and cross-checked against published sources before publication. We publish ranges rather than single figures because a single figure is always wrong for somebody, and we state the regional variation separately because labour rates — not materials — are what make the same job cost different amounts in different parts of the country.
Every guide carries the date it was reviewed and the date it is next due. If a figure looks out of step with a quote you have been given, the quote is the better guide to your specific job — ours is the benchmark for judging whether it is fair.
Frequently asked questions
Yes, all of them, with no sign-up. BestBuilders is free for homeowners — we are paid by the trades who receive matched enquiries, never by you.
Each guide shows its review date and next scheduled review in the footer. Figures come from our 2026 regional cost model (national cost guides × regional labour index) rather than carried forward, and quarterly-moving costs are re-stated each quarter.
For most extensions, loft conversions, porches and outbuildings the answer is no — they fall under Permitted Development, provided you stay inside the size and siting limits. Flats and maisonettes, listed buildings and areas with an Article 4 direction are the main exceptions. See the planning guides for the limits that apply to each project type.
A guide gives you the range and what drives it; only a survey gives you a number. The fastest way to a firm figure is to use a cost guide to set expectations, then get three quotes on identical written scope — that comparison is usually worth more than any guide.
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