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.
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 April 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
Most-Read 2026 Guides
Get 3 free quotes →Our most-read cost guides and how-to guides for 2026 — each updated with real quotes from UK builders and the latest regulatory changes.
Full 2026 rear extension cost breakdown — from £27,000 for a small 10m² up to £160,000 for a large double-storey. Regional pricing and 6 key cost factors.
Kitchen extension cost UK 2026: £35,000–£75,000 typical. Full split between extension shell and kitchen fit-out, plus 6 money-saving tips.
Loft conversion costs by type — Velux, dormer, hip-to-gable, mansard. Regional pricing, full element breakdown, and 2026 ROI data.
When you need planning permission for a loft conversion in 2026, and when you can use Permitted Development. Full rules + 2026 reg updates.
Side-by-side 2026 comparison: solar panels vs heat pumps. Install cost, annual savings, payback, and which UK homes benefit most from each.
How to get a free solar panel grant in 2026: ECO4, Warm Homes Plan, HUG3 plus 0% VAT. Full eligibility checklist and step-by-step application.
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.