UK Building Industry Insights
Long-form analysis, 2026 market data, ROI calculations, and industry trends — for UK homeowners making high-stakes decisions about their biggest asset.
What is actually moving UK building costs?
Domestic building prices are driven by four things: labour availability, material costs, regulation, and how busy the trade is when you ask. Labour is the largest and most local of these, which is why the same job varies 20–30% across the UK while material prices barely move by region.
The practical consequence for homeowners: when you book matters nearly as much as who you book. Weather-dependent trades price at a premium from spring to early autumn, and a firm with a full order book quotes high because it does not need the work.
Every Insight Guide
Deep-dive analysis, ROI data and 2026 market trends for UK home improvements. Newest first.
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 →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 →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 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 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 →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 →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 →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 →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 →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 →Is a Barn Conversion Worth It in 2026? (UK)
Is a barn conversion worth it in 2026? For the right barn a conversion can add £150k–£400k of character value, but structural condition, Class Q eligibility, services and VAT decide whether it pays. This insights guide…
Read guide →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 →Double Storey Extension Cost UK 2026: £68k–£175k
A UK double storey extension in 2026 costs £68,000–£95,000 for a 30m² footprint (£136–£190k total internal floor area) and £120k+ for 60m²+. Here's the real cost ladder by size, region and spec — plus a worked £142,800…
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 →Is a Granny Annexe Cheaper to Build in Winter? 2026 UK
An honest, numbers-first look at whether building a granny annexe in winter genuinely saves money in 2026 — covering builder availability, frost and groundworks risks, typical £30,000–£100,000 costs, modular vs…
Read guide →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 →Average Cost of a Wrap Around Extension in 2026 UK
The average wrap around extension costs £60,000–£120,000 in 2026, with most builds around £75,000–£90,000. Regional averages, what the figure includes and what moves it.
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 →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 →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 →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 →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 →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 →Is a Steel-Frame Extension Cheaper in 2026?
For small extensions a steel frame is usually dearer than masonry, but on large open spans, glazing-heavy designs, difficult access or tight programmes it can come in level or cheaper overall. The honest 2026 cost…
Read guide →Is a Loft Conversion Worth It in 2026? UK ROI Guide
A 2026 UK loft conversion typically costs £45,000-£85,000 and adds 20-25% to property value. See region-by-region ROI, when it's worth going ahead, and when to pass.
Read guide →Is a Home Extension Cheaper With CLT Timber in 2026?
Thinking of a CLT (cross-laminated timber) extension in 2026? On structure alone CLT usually carries a 10–20% premium over blockwork — but panels go up in days, foundations can be lighter and exposed timber can replace…
Read guide →Airborne vs Impact Noise: Soundproofing Explained 2026
Getting soundproofing right starts with the noise type. Airborne noise (voices, TV, music) needs mass and decoupling; impact noise (footsteps, dropped objects) needs isolation and resilient layers. Treating the wrong…
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 →Is a Kitchen Extension Cheaper in Winter? UK 2026
Is a kitchen extension cheaper in winter in 2026? The headline build cost barely moves with the season, but winter often unlocks better builder availability and keener quotes because demand softens after summer. The…
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 →Is a Permeable Driveway Grant Available in 2026? (UK)
There is no nationwide UK government permeable driveway grant in 2026. The real value is avoided cost: permeable front paving skips the planning application, may reduce your water company's surface-water drainage…
Read guide →Is a Warm Homes Grant Worth It for Solar in 2026? (UK)
Is a Warm Homes grant worth it for solar in 2026? If you qualify, the Warm Homes: Local Grant (and the wider Warm Homes Plan) can fund solar panels alongside insulation at little or no cost — which is excellent value…
Read guide →Is a Home Extension Cheaper Than Moving House in 2026?
Moving an upsizer in 2026 costs roughly £28,000 in stamp duty, agent fees, legal costs and removals — money that buys no extra space. A rear extension costs £45,000–£65,000 but becomes equity. Here is the full…
Read guide →Average Cost of a Roof Conversion in 2026 (UK)
Roof or loft conversions average £40,000-£70,000 in 2026: rooflight from £27,000, dormer £45,000-£75,000, mansard to £90,000. See cost by type.
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 →Is a Granny Annexe VAT-Free in 2026? (UK Rules Explained)
A granny annexe is only VAT-free if it's a genuinely self-contained new dwelling — then it can be zero-rated or reclaimed via the DIY Housebuilder Scheme. An annexe attached to and dependent on your existing home is…
Read guide →Is a Driveway Permeable in 2026? UK Planning Rules Explained
Is a driveway permeable in 2026? It matters because UK planning rules treat permeable and impermeable driveways very differently. A new front-garden driveway larger than 5m² that drains rainwater straight to the road…
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 →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 →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 →Is a New Driveway Cheaper in Autumn? (2026 UK)
A new driveway is often a little cheaper in autumn 2026 than at the spring and summer peak — demand drops once the school holidays end, so installers have more availability and are more open to negotiating. But…
Read guide →Is a Home Extension Cheaper in Winter? (2026 UK)
Sometimes — building an extension in winter can shave 5–15% off labour because demand is lower from November to February and builders want to fill their books. But shorter days, frost delays to groundwork and temporary…
Read guide →Is a Home Extension Cheaper Than Moving House? 2026 UK
For many UK homeowners in 2026, extending works out cheaper than moving — once you add up stamp duty, estate-agent fees, conveyancing and removals, moving house can cost £25,000+ before you have gained any extra space…
Read guide →Is a New Driveway Cheaper in Summer? 2026 UK Seasonal Pricing
It feels logical that summer would be the cheapest time for a new driveway — but it is actually peak season, when installers are busiest and least likely to discount. The genuine savings tend to come in late autumn and…
Read guide →Is a Home Extension Cheaper Than Moving House in 2026?
In 2026, once you add up stamp duty, estate agent fees, legal costs and removals, moving to a bigger house often costs £30,000–£50,000+ before you gain a single extra room. A well-planned extension can deliver the same…
Read guide →Is Permeable Paving Required for a Driveway in 2026? (UK)
Is permeable paving required for a driveway in 2026? If you lay more than 5 square metres at the front, you must use a permeable surface or drain to a soakaway on your own land, or apply for planning permission. Here is…
Read guide →Is a Roof Lantern Worth It in 2026? UK Costs, Light Gain & Value
Is a roof lantern worth it in 2026? Fitted, expect GBP 2,500 to GBP 6,000. A lantern floods a flat-roof kitchen or dining extension with overhead daylight and lifts both the feel of the room and kerb appeal - but it…
Read guide →Is a Loft Conversion Cheaper in Summer? UK 2026
Is a loft conversion cheaper in summer in 2026? The headline build cost barely moves with the season, but summer brings faster, drier builds at peak demand, while autumn and winter often unlock better builder…
Read guide →Is a New Roof VAT-Free Under Warm Homes Plan?
Usually no — a standard full re-roof for repair or looks is normally standard-rated at 20% VAT in 2026. The 0% VAT relief applies to specific energy-saving materials (insulation, solar, heat pumps) not the roof covering…
Read guide →Is a New Driveway VAT-Free in 2026? (UK)
A new driveway for an existing home is standard-rated at 20% VAT in 2026 — it is not VAT-free. Zero-rating or a DIY Housebuilder reclaim only applies when the driveway is laid as part of building a brand-new dwelling…
Read guide →Is a Garden Room Extension Worth It in 2026? (UK)
A garden room extension is usually worth it in 2026 if you need a year-round home office, gym or studio and value the separation from the house — expect £15,000–£45,000 for a properly insulated, heated build. It rarely…
Read guide →Concrete Driveway vs Block Paving Cost UK 2026
Yes — a concrete driveway is typically 20–35% cheaper than block paving upfront in 2026 (£60–£110/m² vs £80–£150/m² fitted), but block paving wins on lifetime cost if a section is later damaged or services need access…
Read guide →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 →Is a Home Extension VAT-Free in 2026? (UK)
Standard home extensions in 2026 UK carry 20% VAT. You can drop to 5% on properties empty for 2+ years, to 0% on disability adaptations, or claim a full DIY refund if the work creates a brand new self-contained dwelling.
Read guide →Is a Garden Room VAT-Free in 2026? (UK)
Garden rooms in 2026 UK carry 20% standard VAT. Only two narrow exceptions apply: 0% via the DIY refund if the structure is a genuinely separate self-contained dwelling, and 0% on qualifying disability adaptations.
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 →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 a Solar Roof Grant Worth It Under Warm Homes 2026? (UK)
Warm Homes solar grants cover up to £6,500 of a £9-12k system in 2026. Worth it for owner-occupied south-facing roofs - skip it if your roof needs replacing first.
Read guide →Is a Concrete Driveway Worth It in 2026? (UK)
A concrete driveway in 2026 UK costs £80–£120/m² plain or £100–£180/m² pattern-imprinted, lasts 25–30 years, and has the lowest cost-per-year of any driveway surface. Block paving is prettier, but concrete wins the…
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 →Is a Solar Diverter Worth It for Hot Water in 2026? (UK)
A solar diverter (Eddi, Solic, iBoost) costs £350–£900 fitted in 2026 UK. It pushes excess solar PV into the hot-water immersion instead of exporting it. Payback: 4–9 years if you have solar PV and an electric…
Read guide →Is a Tarmac Driveway VAT Free in 2026? (UK)
No - a residential tarmac driveway in the UK is standard-rated 20% VAT in 2026. Limited zero-rating or 5% reduced rate may apply on new-build, listed-building, or DDA-related works. Full rules and exemptions.
Read guide →Is a Conservatory Worth It in 2026? (UK Verdict)
A modern warm-roof conservatory in 2026 UK typically adds 5-7% to home value (£12,000-£25,000+) and pays back 60-90% of build cost on resale. Old polycarbonate conservatories can reduce value. When it makes sense and…
Read guide →Is a Solar Panel VAT Cut Worth It in 2026? (UK)
In 2026 UK domestic solar panel and battery installations are zero-rated (0% VAT) until 31 March 2027, saving the full 20%. Because the installer applies it automatically, it is effectively a guaranteed 20% discount —…
Read guide →Is a Loft Conversion VAT Free in 2026? (UK)
A standard loft conversion in the UK in 2026 is not VAT-free - 20% VAT applies. The reduced 5% rate is reserved for conversions creating new dwellings or homes empty 2+ years.
Read guide →Builder Quoted One Price Then Charged More? Your Rights 2026
A builder sent an offer then changed the price. A 2026 UK guide to quote versus estimate, when a price can legitimately rise, when it cannot, and exactly what to do next.
Read guide →Builder Payment Disputes 2026: Your Rights and How to Resolve It
Your rights in a 2026 UK builder payment dispute: the Consumer Rights Act 2015, when withholding payment is justified, escalation through trade bodies and ADR, and small claims.
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 →Is a Granny Annexe Cheaper Than Moving House in 2026? (UK)
For many UK families a granny annexe (£40,000–£100,000) works out cheaper than moving to a larger house once you add stamp duty, estate-agent and legal fees, removals and the price gap to a bigger home. Here is the full…
Read guide →Is a Flat Roof Extension Cheaper Than Pitched in 2026? (UK)
A flat roof extension is usually cheaper to build than a pitched roof extension in 2026 because it uses less material and labour, but a pitched roof can last longer and add more value. Here is the full cost and value…
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 →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 →Is a Bathroom Renovation Worth It in 2026? (UK)
A mid-range UK bathroom renovation costs £5,000–£9,000 in 2026 and typically returns 60–80% of that at resale — rarely a full payback on paper, but a tired or dated bathroom actively deters buyers, so the real value is…
Read guide →Solar Panel Sizes UK 2026
Standard 2026 UK residential solar panels measure 1.65-1.75m x 1.0m (60-cell) producing 350-450W, while premium 72-cell panels are 2.0m x 1.0m producing 500-600W. Most UK roofs fit 8-14 panels for a typical 4-6kW system.
Read guide →Solar Panels for Flat Roof UK 2026
Flat-roof solar systems in the UK 2026 typically cost £5,500-£9,000 for a 4kW installation. Ballasted (non-penetrative) mounts dominate on EPDM/GRP roofs; bolted systems are used on solid concrete or warm-roof builds…
Read guide →Solar Panel Installation Near Me UK 2026
BestBuilders matches UK homeowners with up to 3 free, vetted MCS-certified solar panel installers in their local area. Compare 2026 quotes by postcode, check reviews, and get install dates in 24 hours — no obligation…
Read guide →Heat Pump Grant 2026: Is the BUS Still Available? (UK)
Yes — the £7,500 Boiler Upgrade Scheme (BUS) is still open in 2026 and now runs to 2028 with a £1.5bn extended budget. We break down who qualifies, the documents you need, average wait times, and the Scotland/Wales…
Read guide →Is a Granny Annexe Worth It in 2026? (UK)
A self-contained granny annexe costs £45,000–£120,000 in 2026 depending on whether you convert, extend or build a garden annexe — a big number, but one that can add 20–30% to the property, keep family close, and offset…
Read guide →Is a New Roof VAT Exempt Under the Warm Homes Plan? (2026 UK)
Short answer: a straight like-for-like new roof is NOT VAT-exempt — you pay the standard 20%. But the picture changes the moment energy-saving materials enter the job. Roof insulation and roof-integrated solar can be…
Read guide →Is a Loft Conversion Cheaper Than Moving? UK 2026
In 2026 a loft conversion (£40k-£70k) is often cheaper than moving to a larger home once you add stamp duty, estate agent fees, legal costs and moving expenses - which frequently total £30k-£60k+ with nothing to show…
Read guide →Is a Heat-Pump-Ready Home Worth It UK 2026? (Honest ROI)
A heat-pump-ready home in 2026 UK is worth it for long-stay owners (£7,500 BUS grant + £300-£450/yr running cost saving once gas tariffs reset) and pre-sale prep (EPC C lift adds £2k-£6k). Not worth it if you are moving…
Read guide →Is a Solar Battery Worth It UK 2026? (Honest ROI)
A solar battery in 2026 UK is worth it for most homes with solar PV (payback 7–10 yrs) and for any home on Octopus Go or Cosy time-of-use tariffs (5–8 yrs). Without solar and a TOU tariff, payback drags past 12 years…
Read guide →Is a New Kitchen Cheaper in Winter 2026?
Is a new kitchen cheaper in winter 2026 in the UK? Modestly, yes. January and February are the quietest months for kitchen fitters, and retailer new-year sales cut showroom prices, so a winter kitchen can save 5-15%…
Read guide →Is a New Kitchen Worth It UK 2026? (Honest ROI)
A new kitchen in 2026 UK is worth it if you are pre-sale (mid-range £12k spend lifts value £8k–£15k), staying 8+ yrs, or have a kitchen showing real failure. It is NOT worth it if your existing kitchen is sound and you…
Read guide →Is a New Roof Worth It in 2026 UK? Repair vs Replace ROI
Is a new roof worth it in 2026 UK? Yes if the underlay has failed, 30%+ tiles are damaged, or you're planning solar. Cost £7,500–£18,000 — here's the honest repair-vs-replace decision tree.
Read guide →Is a Rewire Worth It in 2026 UK? When to Do It (Honest ROI)
A rewire is worth it in 2026 UK if you have rubber/cloth-insulated wiring, a pre-2008 fuse box, or no RCD protection — these are insurance and safety risks. Otherwise repair is usually better value.
Read guide →How Long Does a Boiler Last UK 2026? (By Type & Brand)
UK boilers in 2026 last: combi 8–12 yrs, system 12–15 yrs, regular (heat-only) 15–20 yrs. Brand and annual servicing matter more than fuel type — here's the lifespan breakdown and replace-vs-repair decision tree.
Read guide →How Long Does a New Kitchen Last UK 2026? (By Brand & Tier)
How long does a new UK kitchen last in 2026? Budget flat-pack 8–12 yrs, mid-range modular 15–20 yrs, premium bespoke 25–40+ yrs. Component-by-component lifespan and what kills a kitchen early.
Read guide →Is an Air Source Heat Pump Worth It in 2026 UK? Honest ROI
Is an air source heat pump worth it in 2026 UK? On running cost: yes for well-insulated EPC C+ homes. On install ROI: only if you stay 12+ years and use a heat-pump tariff. Here's the honest math.
Read guide →How Long Does a Roof Tile Last UK 2026? (By Type, Real Data)
How long do UK roof tiles last in 2026? Concrete 40–60 years, clay 60–100+ years, natural slate 80–150+ years. Pitch, exposure and underlay condition matter as much as the tile itself — here's the real-world data.
Read guide →How Much Does a Loft Conversion Cost in 2026? UK
2026 UK loft conversion costs by type — Velux, dormer, hip-to-gable and mansard — with regional pricing, ROI data, and the full cost breakdown by element.
Read guide →Bathroom Refit Cost Per m² UK 2026: £1,300–£5,500 Guide
A UK bathroom refit costs roughly £1,300–£1,900 per m² for a budget like-for-like swap, £2,000–£3,200 for mid-range and £3,500–£5,500 for a wet room. A typical 4–5 m² bathroom totals £6,000–£12,000, with tiling, the…
Read guide →Is a New Bathroom VAT-Free in 2026? (UK Guide)
Is a new bathroom VAT-free in 2026 UK? For most homeowners, no - a standard bathroom refit carries 20% VAT. But bathrooms adapted for a disabled person can be zero-rated, and a 5% reduced rate applies to homes empty 2+…
Read guide →Is a Home Extension Cheaper with ICF Blocks in 2026? (UK)
Is a home extension cheaper with ICF (insulated concrete formwork) blocks in 2026 UK? On upfront build cost, usually no — ICF runs 5–12% more than brick-and-block. But faster builds, lower labour and far lower running…
Read guide →Heat Pump vs Boiler 2026 UK: Cheaper to Run? Full Cost Compare
Is a heat pump cheaper than a gas boiler in 2026 UK? On annual running cost, yes — by £120–£380/year for a well-insulated home. On install cost, no — even after the £7,500 BUS grant. Here's the lifetime maths.
Read guide →Is a Solar Diverter Worth It in 2026? UK Cost & ROI
In 2026 UK , a solar diverter costs £300–£650 unit + £150–£250 install and typically saves £180–£320/yr on hot water — payback 3–6 years . Worth it if your SEG export tariff is below 12p/kWh and you use an immersion…
Read guide →Why Do Builder Quotes Vary So Much?
Why do builder quotes vary so much? The 8 main reasons — from different assumptions to VAT status — and how to compare quotes fairly to get the best value.
Read guide →What Is MVHR and Do I Need It in My Bathroom?
MVHR explained: what it is, how it works, whether you need it for a bathroom renovation, costs, and when a standard extractor fan is the better choice.
Read guide →Is a Home Extension Cheaper With a Flat Roof? 2026 UK
Short answer: usually yes. On a single-storey extension a flat roof typically costs £1,500–£4,000 less than a pitched roof — fewer materials, simpler structure, faster build. A quality warm-deck flat roof (EPDM/GRP)…
Read guide →Is a New Driveway Cheaper in Spring? UK 2026
Is a new driveway cheaper in spring 2026 in the UK? Spring brings the dry, mild conditions that resin and tarmac need, but it is also when demand climbs — so prices stay firm rather than fall. This guide explains how…
Read guide →Is a Solid Roof Conservatory Worth It? UK 2026
Is a solid roof conservatory conversion worth it in 2026? Costs from £6,000, benefits, planning rules and the leading roof systems compared.
Read guide →Is a Resin Driveway Cheaper in Summer 2026? UK Guide
Short answer: no . Summer is peak demand for resin-bound driveways in 2026 UK, so prices are flat or 5–10% higher , not cheaper. The cheapest windows are late autumn (Oct–Nov) and early spring (Mar) , when contractors…
Read guide →Is a Loft Conversion Cheaper Than an Extension? UK 2026
Yes — by roughly £15,000–£40,000 in 2026 UK . A typical dormer loft conversion lands at £45,000–£70,000; an equivalent single-storey rear extension at £60,000–£110,000. But the right answer depends on three things: how…
Read guide →How Long Do Quartz Worktops Last in the UK? 2026
2026 UK guide to quartz worktop lifespan: realistic 25–40 year service life on engineered quartz like Silestone, Caesarstone, Cimstone and Compac — with the four real-world failure modes (heat above 150°C, sustained UV…
Read guide →How Long Does a Resin Driveway Last? UK 2026 Guide
2026 UK guide to resin bound driveway lifespan: 15–25 years on a proper engineered base, but only 5–8 years when laid over old tarmac with cheap aromatic resin. Covers the five factors that decide longevity, what…
Read guide →Is a Conservatory Extension Worth It in 2026? UK
2026 UK honest verdict on conservatory extensions: a basic uPVC conservatory now subtracts value from a home, while a modern aluminium or orangery build breaks even on cost — with full ROI table by spec, the…
Read guide →Does a Conservatory Add Value to a House UK? 2026
Less than most people expect. A conservatory adds 0–5% at best, and a dated, freezing or overheating one can actively reduce value. An orangery or a solid-roof extension performs far better because it reads as genuine…
Read guide →Does a Garden Room Add Value to Your House UK? 2026
Yes — if it's built properly. An insulated, powered, year-round garden room typically adds 1.5–5% to a UK home's value for a £8,000–£30,000 spend. An uninsulated summerhouse adds close to nothing . Crucially, a garden…
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 →Does a New Roof Add Value to Your House UK? 2026
Rarely a premium — but it protects the value you already have. A new roof seldom adds more than 1–3% in the UK, because buyers expect a sound roof as standard. A failing roof, however, invites a 5–10% discount , a…
Read guide →Does an En-Suite Add Value to a House UK? 2026
Yes, modestly. An en-suite typically adds 3–5% to a UK home's value for a £3,000–£8,000 spend — a solid ratio. The value is highest when it serves the principal bedroom in a home with three or more bedrooms and only one…
Read guide →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 →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 →Does a Heat Pump Add Value to Your House UK? 2026
Modestly — and indirectly. A heat pump typically adds 0–3% directly to a UK home's value, but the meaningful gains are the EPC band improvement , the removal of a future retrofit cost for your buyer, and access to green…
Read guide →Does Air Conditioning Add Value to a House UK? 2026
Barely. In the UK, air conditioning typically adds 0–2% to a home's value — far less than the £1,800–£12,000 it costs to install. Its real return is comfort and saleability in top-floor flats and south-facing homes…
Read guide →Average Cost of a Solar Diverter Installation UK 2026
In 2026 UK , a solar diverter costs £320–£700 fully installed , with most households paying £450–£550 . The unit itself is £180–£400 and fitting is £120–£300. It typically saves £90–£250 a year on water heating, paying…
Read guide →Is a Roofing Grant Available Under Warm Homes? UK 2026
No — there is no standalone roof-repair grant under the Warm Homes Plan in 2026 UK. The scheme funds roof and loft insulation , solar and low-carbon heating for eligible EPC D–G homes, and will pay for essential…
Read guide →How Long Does a Slate Roof Last? UK 2026 Guide
In UK homes , slate roof lifespan varies hugely by slate origin: Welsh slate 100–150 yrs , Spanish premium 80–100 yrs , Brazilian 60–80 yrs , fibre-cement 40–60 yrs . The fixings often fail before the slate — nails…
Read guide →How Long Does a Flat EPDM Roof Last? UK 2026 Guide
In UK homes , a flat EPDM rubber roof typically lasts 20–30 years on standard 1.2mm membrane, and 35–50+ years on premium 1.5–1.8mm Firestone RubberCover or Permaroof systems with proper falls and detailing. Coastal…
Read guide →Is a Dormer Loft Conversion Worth It? UK 2026 ROI
Yes — in 2026 UK , a dormer loft conversion is one of the highest-ROI home extensions you can do. Typical cost £45,000–£85,000 adds 20–25% to property value (130–170% ROI) and creates a full double-bedroom-plus-ensuite…
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 →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 →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 →Is a Hip-to-Gable Loft Conversion Worth It? UK 2026
In 2026 UK , a hip-to-gable loft conversion costs £42,000–£68,000 and typically adds £30,000–£60,000 to a semi-detached or end-terrace home — a 60–110% ROI depending on region. Almost always worth it in London, the…
Read guide →Do Solar Panels Add Value to Your House? UK 2026
Owned solar panels can add around 2-4% to a UK home in 2026 through lower bills and a better EPC. But leased or rented systems can complicate a sale. This insight covers when solar adds value and when it doesn't.
Read guide →Does a Driveway Add Value to Your House? UK 2026
A driveway can add real value — but only where off-street parking is scarce and it's done right. This 2026 UK insight covers how much a driveway adds, the drainage and planning rules, and when paving the front garden…
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 →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 →Average Kitchen Extension Cost UK 2026: £42k–£85k Fitted
Average UK kitchen extension cost in 2026: £42,000–£85,000 fitted. The shell-versus-fit-out split that breaks budgets, and the 20–30% of costs most homeowners miss.
Read guide →Is a Home Extension Worth It? ROI 10–20% by Region
Is a UK home extension worth it in 2026? Real ROI 10-20% by region, when to go ahead vs pass, Part L 2026 impact and hidden costs that change the maths.
Read guide →Is a Home Extension Cheaper with SIPS Panels? (2026 UK)
SIPS panels rarely beat brick and block on the headline shell price in 2026 — the structure often costs a little more. But faster build times, less labour on site and much lower running costs mean a SIPS extension can…
Read guide →How Long Does Composite Decking Last? UK 2026 Guide
In 2026 UK , capped composite decking from Trex, Millboard, TimberTech, Cladco and Composite Prime lasts 25–30 years. Uncapped budget composite averages 15–20 before fading and surface mould take hold. Softwood (treated…
Read guide →How Long Does a Tarmac Driveway Last? UK 2026 Guide
In 2026 UK , a properly laid residential tarmac driveway lasts 12–20 years; budget single-layer jobs 8–12 years; twin-coursed installs sealed every 3 years reach 20–25. Lifespan is driven by sub-base depth and edge…
Read guide →How Long Does House Wiring Last in the UK? 2026 EICR
In 2026 UK , modern PVC-insulated wiring lasts 25–40 years and modern RCD/RCBO consumer units 25–30 years. Pre-1970 rubber-sheathed and pre-1985 fuse-board installs are now well past safe service life and routinely fail…
Read guide →How Long Does a Fitted Kitchen Last? UK 2026 Guide
In 2026 UK , a typical fitted kitchen lasts 15–20 years at the mid-market tier (Howdens trade, Magnet, Wren). Budget B&Q and Wickes Lifestyle ranges average 8–12 years; premium hardwood by deVOL, Tom Howley or Mark…
Read guide →Is a Basement Conversion Worth It in 2026? UK ROI
2026 UK analysis: a basement is the most expensive m² of space you'll ever buy (£3.2k–£5.5k/m²) and only pays back in inner-London and prime Home Counties. Honest verdict and the hidden party-wall costs.
Read guide →How Long Does Block Paving Last? UK 2026 Guide
2026 UK insight: a properly laid block driveway runs 25–40 years. Most early failures are sub-base or edge-restraint shortcuts, fixable with a £1.5k–£3.5k re-lay rather than full replacement.
Read guide →How Long Do Solar Panels Last on UK Homes? 2026
2026 UK insight: modern TOPCon/HJT solar panels degrade at just 0.4%/year — meaning 80% output at year 30. The real lifespan question is the inverter, not the panel.
Read guide →How Long Does a Solar Battery Last in the UK? 2026
2026 UK insight: LFP home batteries are now the dominant chemistry — 12–18 year service life and 80% capacity at year 10. Here is the lifespan data, warranty math, and £3.5k–£8k replacement window.
Read guide →How Long Does a Bathroom Renovation Last? UK 2026
2026 UK insight: a properly tanked bathroom lasts 25+ years; a budget refurb without proper waterproofing fails at 6–10 years. Here is the lifespan data and the £4k–£9k re-tank cost.
Read guide →How Long Does a Loft Conversion Last? UK 2026 Guide
2026 UK insight: a properly built loft conversion easily outlives its mortgage — 50–80+ years. Most early failures are roof tie-in or vapour-control errors that show up by year 5–10.
Read guide →How Long Does a Brick Extension Last in the UK? 2026
2026 UK insight: a properly built brick extension can last 100+ years. The pages most often visited are about cracks at 5–15 years caused by foundation, lintel or tray DPC errors — here is the lifespan reality.
Read guide →How Long Does a Garage Conversion Last? UK 2026
2026 UK insight: garage conversions can outlast the original house, but most failures appear in years 5–10 from cold-bridge damp, condensation or under-insulated floors — here is the lifespan data and remediation cost.
Read guide →How Long Does an EV Charger Last in the UK? 2026
2026 UK lifespan analysis of home EV chargers: 8–14 year typical life, what shortens it, OCPP firmware support timelines, replacement cost and how to extend service life.
Read guide →Is a Velux Loft Conversion Worth It? UK 2026 ROI
2026 UK analysis: when a Velux (rooflight-only) loft conversion is the right call vs dormer or hip-to-gable — real cost, ROI, headroom rules, planning advantages and where homeowners regret the choice.
Read guide →Average Cost of a Loft Conversion 2026 (UK)
The average UK loft conversion costs about £45,000 in 2026, but the range runs £25,000–£100,000 depending on type. Why a single average is the wrong number to plan with, and what to use instead.
Read guide →Is a Warm Homes Plan Grant Worth It for a Bathroom? (2026 UK)
Does the Warm Homes Plan fund a bathroom? Honest 2026 guidance: a standard refit doesn't qualify; the grant covers energy measures. When overlap helps and the Disabled Facilities Grant alternative.
Read guide →Air Conditioning Running Costs UK 2026
UK air conditioning running costs 2026 at the 27p/kWh cap. By unit size + hours, cooling vs heating mode, 5 ways to cut costs.
Read guide →Is a Tarmac Driveway Worth It in 2026? UK Guide
An honest 2026 UK verdict on whether a tarmac driveway is worth it: cost vs alternatives, real lifespan, kerb appeal impact, when to choose it and when not.
Read guide →Is a Mansard Loft Conversion Worth It? UK 2026
A mansard loft conversion is worth it in 2026 for most London terraces and inner-city semis: average ROI is 18-26% on the property value, payback 6-9 years, and you typically add 25-40% to the usable floor area. Outside…
Read guide →Chimney Repairs: UK Costs and Options (2026)
A 2026 UK guide to chimney repairs: what repointing, re-flaunching, rebuilding, lining and removal cost, how to spot a failing stack, and which accreditations matter for chimney and flue work.
Read guide →New Roofs and Re-Roofing: UK Costs and Timings (2026)
A 2026 UK guide to new roofs and re-roofing: how to tell when a roof needs replacing, what it costs by property type and covering, the week-by-week process and what the quote must include.
Read guide →Tiled and Slate Roofing: UK Costs Compared (2026)
Concrete tile, clay tile and natural slate compared for UK roofs in 2026: cost per square metre, lifespan, weight, pitch requirements and how to choose the right covering for your house.
Read guide →Loft Conversion Stairs: Rules & Costs (2026 UK)
A 2026 UK guide to loft conversion stairs: the Part K rules on rise, going and headroom, the Part B fire requirements for a three-storey home, space-saving options and what a staircase really costs.
Read guide →Boiler Installation Certificate: What You Need (2026)
What a boiler installation certificate actually is, why you need it when selling your home or claiming on a warranty, and exactly how to get a replacement if the original has gone missing.
Read guide →Flat Roofing: Costs, Materials and Lifespan (2026 UK)
A 2026 UK guide to flat roofing: EPDM rubber, GRP fibreglass and built-up felt compared on cost per square metre, lifespan, warranty and suitability, plus what a flat roof quote should include.
Read guide →Roof Cleaning Cost & Is It Worth It? (2026 UK)
A straight-talking 2026 UK guide to roof cleaning: what it costs, how scraping, soft washing and biocide treatment compare, why high-pressure washing damages tiles, and when a roof coating is not worth the money.
Read guide →Roof Repairs: UK Costs, Causes and Fixes (2026)
A practical 2026 guide to UK roof repairs: the common causes of leaks, what each fix typically costs, when repairing stops making sense against a full re-roof, and how to choose an accredited roofer.
Read guide →Fascias, Soffits & Guttering Costs (2026 UK)
A 2026 UK guide to fascias, soffits and guttering: what full replacement costs, why capping over rotten timber is a false economy, material options and the ventilation detail most quotes miss.
Read guide →Roof Windows & Skylights: Cost & Rules (2026 UK)
A 2026 UK guide to roof windows and skylights: how in-plane roof windows differ from dormers and sun tunnels, what installation costs, and when permitted development applies.
Read guide →House Extension Ideas: 14 That Add Real Value (2026 UK)
Fourteen house extension ideas that work on real UK homes in 2026 - from side returns and wrap-arounds to double-storey and budget-friendly layout changes - with honest cost ranges for each.
Read guide →Is a Barn Conversion EPC Compliant in 2026? UK Rules
A barn conversion is not automatically EPC compliant, but a properly built one comfortably is. Once converted to a dwelling it needs an EPC and must meet Part L of the Building Regulations. The real trap is letting:…
Read guide →Is a Driveway EV Charger Grant Available in 2026? UK
For a standard homeowner living in a house with a driveway, the dedicated EV chargepoint grant is no longer available in 2026 — it was withdrawn for owner-occupiers in April 2022. However, flat owners, people in rented…
Read guide →Warm Homes Grant for a New Roof: Worth It? (2026)
Warm Homes schemes (the Warm Homes Plan, Warm Homes: Local Grant and ECO4) fund energy-efficiency measures like loft and rafter insulation — not re-roofing. A grant will not replace worn tiles or a leaking roof just…
Read guide →Air Conditioning vs Heat Pump UK 2026
Air conditioning vs air-source heat pump UK 2026. Air-to-air vs air-to-water, cooling, whole-house heating, the 7500 GBP grant, when to choose both.
Read guide →Future Homes Standard 2026: Impact on Extensions UK
From 2026, the Future Homes Standard reshapes how UK extensions are designed: no fossil-fuel heating in new circuits, heat-pump-ready pipework, tighter fabric U-values, mandatory overheating analysis (Part O) and…
Read guide →Is a Resin Driveway VAT-Free in 2026? UK Tax Guide
Short answer: no. A standalone 2026 UK resin driveway install attracts the standard 20% VAT rate. The "VAT-free" claim conflates three HMRC rules: 5% reduced VAT applies only when bundled into qualifying energy-saving…
Read guide →Basement Conversion Cost UK 2026
Full 2026 UK basement conversion cost guide: £1,800–£4,000/m² existing cellar, £4,500–£8,500/m² brand new. Tanking, structural, lightwell breakdowns and 7 ways to save.
Read guide →Is a Resin Driveway Worth It in 2026? UK Verdict
Resin-bound driveways cost £45-£80/m² in 2026 (typical drive £2,800-£6,500), last 18-25 years and are SuDS-compliant under planning rules. Worth it for kerb appeal and zero weeds, but only if installed by a…
Read guide →Is a SuDS-Compliant Driveway Required in 2026? (UK)
Do you need a SuDS-compliant driveway in 2026, and does it need special approval? We explain the 5 square metre rule, when a front driveway needs planning permission, which surfaces count as permeable, and how a…
Read guide →Is a Home Extension Cheaper With Modular Build in 2026?
Is a modular (offsite/prefab) extension really cheaper than a traditional brick-and-block build in 2026? We compare £/m², build time, cost certainty and disruption side by side, with a worked 25 m² example priced both…
Read guide →Is a Boiler Replacement Worth It in 2026? (UK)
A new boiler in 2026 UK costs £1,800–£4,500 fitted by a Gas Safe engineer. Replacing an old G-rated boiler with a modern A-rated condensing unit typically saves £180–£420/year — payback 5–15 years. Worth it if your…
Read guide →Solar Panel Cost UK 2026: £5.5k–£11.5k Installed
2026 UK solar panel installation cost: £5,500–£11,500 by system size. Includes panels, inverter, MCS install, scaffolding, DNO notification. Payback 6–11 years.
Read guide →Is Block Paving Cheaper Than a Resin Driveway? UK 2026
On 2026 UK pricing, resin-bound driveways cost £50–£95/m² fitted vs £80–£120/m² for block paving — making resin meaningfully cheaper up-front (~25–35%). But over 30 years, block paving's longer lifespan and easier…
Read guide →Explore Other Guide Categories
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
When to book, and what it saves
Trades are not evenly busy through the year, and the price follows the diary:
- Roofing, driveways, rendering, landscaping — busiest spring to early autumn. The same job booked for late autumn or winter is often 10–15% cheaper, weather permitting.
- Heating and boilers — demand spikes with the first cold snap. A boiler replaced in summer is cheaper and far quicker to book than the same swap in December.
- Extensions and loft conversions — lead times are the constraint, not season. Good firms are commonly booked 2–4 months out; the ones available next week are worth a second look.
- Interior work — kitchens, bathrooms, decorating — is the most season-neutral, so there is little to gain from waiting.
Why projects overrun, and how to stop it
The chart above is on-site working time. Overruns almost never come from the trade working slowly — they come from three predictable gaps:
- Lead times on made-to-order items. Windows, staircases, structural steel and kitchen units are ordered after survey, not before. Ordering late is the classic cause of a stalled site.
- Decisions. Tiles, worktops, sanitaryware and paint colours chosen mid-project stop work. Choose them before the trade arrives.
- Discovery. Opening up finds the unexpected — rotten joists, undersized foundations, unsafe wiring. A contingency of 10–15% is not pessimism, it is the industry norm.
Which projects return what you spend
Two useful rules from UK valuation practice. First, fixing beats adding: correcting damp, a failing roof, dated wiring or poor insulation protects value far more reliably than adding luxury. Second, usable space adds most — a loft conversion or extension that adds a genuine bedroom and bathroom typically returns more than the same money spent on finishes.
Be cautious with anything highly personal or maintenance-heavy — swimming pools are the standard example — and with removing a bedroom to enlarge another. Local ceiling prices matter too: no amount of specification reliably takes a house above the best price the street achieves.
Frequently asked questions
For weather-dependent trades — roofing, driveways, rendering, landscaping — booking outside the spring-to-autumn peak typically saves 10–15% and gets you a faster start. For interior work there is little seasonal advantage. For anything needing planning, the 8-week determination period dominates the programme, so start that first regardless of season.
10–15% of the contract value for most domestic projects, and toward the upper end on older properties or anything involving opening up structure. This is not padding — discovery on site is normal, and a contingency is what stops it becoming a dispute about who pays.
Three reasons, in order of impact: different scope (what preparation, disposal and making good is included), different materials specification, and how busy the firm is. A firm with a full diary prices high because it does not need the work — that is a real quote, just not a competitive one.
No. It usually adds value, but rarely pound for pound, and never above the local ceiling price for the street. Extensions that add a genuine bedroom plus bathroom perform best; those that eat the whole garden or remove parking can reduce value in some markets.
For small trades work, 1–3 weeks. For extensions and loft conversions, expect good firms to be 2–4 months out. If a large project can start next week, ask why — sometimes it is a genuine cancellation, and sometimes it is a warning.
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