Know what your home project should cost.
Practical UK home improvement cost guides and calculators, with postcode-aware regional pricing for renovation, building, energy upgrades and trades.
Single-storey extension
A growing UK cost database
Guides, calculators and regional models are connected to one transparent methodology rather than published as isolated price articles.
Sourced UK cost guides
Each guide maps its headline planning figures back to dated source records.
Live cost calculators
Every current cost guide has a linked planning calculator.
Regional project guides
14 project types modelled consistently across 14 location hubs.
Current review cycle
High-intent price pages are reviewed against recent UK benchmarks and scheme changes.
Popular cost calculators
Start with the project, add the size and postcode, and get a realistic planning range with a regional adjustment.
Extension cost
Estimate materials, labour, regional pricing and contingency.
House renovation
Estimate materials, labour, regional pricing and contingency.
Loft conversion
Estimate materials, labour, regional pricing and contingency.
Kitchen renovation
Estimate materials, labour, regional pricing and contingency.
Popular 2026 cost deep dives
17 focused guides answer specific high-intent questions with transparent source tables and direct links back to the relevant calculator.
Extension Cost by Size
Worked house extension budgets from 9m² to 50m² using the current national £1,800–£3,000 per m² benchmark.
9m² · 12m² · 20m² · 30m² · 50m²Open guide →2026 deep diveLoft Conversion Cost by Type
Compare current Velux, dormer, hip-to-gable, mansard, shell-only and bungalow loft conversion benchmarks.
Velux · Dormer · Hip-to-gable · MansardOpen guide →2026 deep diveKitchen Cost Breakdown
Current fitted-kitchen costs for units, worktops, appliances, fitting, plumbing, electrics and flooring.
£10,550 published averageOpen guide →2026 deep diveBathroom Cost Breakdown
Current bathroom costs for a standard new bathroom, removal, plumbing, tiling, electrics, underfloor heating and layout changes.
£5,500–£8,000 standard rangeOpen guide →2026 deep dive3 Bedroom House Renovation Cost
Current 3-bedroom whole-house renovation benchmark with heating, rewiring, windows, plastering, kitchen and roof costs.
£43,530–£110,350 benchmarkOpen guide →2026 deep diveRoof Replacement Cost by Type
Compare gable, hip and flat roof replacement costs per m² with worked roof-area budgets.
Gable · Hip · Flat · 40–100m²Open guide →2026 deep diveDouble Glazing Cost for a 3-Bed House
Whole-house double-glazing benchmark for a typical 3-bedroom home plus fitted costs by window style.
£8,000–£15,000 whole-house benchmarkOpen guide →2026 deep diveNew Boiler Cost by Type
Compare boiler supply-only prices, installation labour and fully installed replacement totals.
£2,500–£4,000 like-for-like combiOpen guide →2026 deep diveSolar Panel Cost by System Size
Compare 3kW, 4kW, 5kW and 6kW solar PV costs with battery-storage package benchmarks.
3kW · 4kW · 5kW · 6kWOpen guide →2026 deep diveHeat Pump Cost After Grant
Compare gross air-to-air, air-to-water and ground-source heat-pump costs with current Boiler Upgrade Scheme support.
£2,500 · £7,500 · eligible £9,000 BUSOpen guide →2026 deep diveEV Charger Cost After Grant
Compare gross home EV charger installation costs with current eligibility-dependent OZEV support for flats, renters, landlords and on-street parking.
75% up to £500 per eligible socketOpen guide →2026 deep diveInsulation Cost by Property Type
Compare current loft and cavity-wall insulation benchmarks for terraces, semis, detached homes, bungalows and flats.
Loft £654–£1,206 · cavity £950–£4,600Open guide →2026 deep diveExternal Wall Insulation Cost by Property Type
Compare current external-wall-insulation costs for flats, terraces, semis, bungalows and detached houses plus installed rates by system.
£150–£200/m² · £5,000–£30,000Open guide →2026 deep diveUnderfloor Heating Cost by System
Compare current electric and wet underfloor heating costs per m² for new-build and renovation projects with worked floor-area budgets.
Electric £50–£85/m² · wet £85–£110/m²Open guide →2026 deep diveElectrician Hourly vs Day Rate
Compare current routine electrician hourly and day rates, emergency charges and common fixed-job benchmarks.
£45–£60/hour · about £400/dayOpen guide →2026 deep diveHouse Rewire Cost by Property Size
Compare current full-rewire costs and timescales from 1-bedroom flats to 5-bedroom houses.
3-bed £4,450–£8,000Open guide →2026 deep diveConsumer Unit Replacement Cost by Property Size
Compare current fuse-box and consumer-unit replacement costs by property size and circuit count.
About £485 typical · £350–£800Open guide →From first budget to contractor quotes
4 free cross-project utilities use the same benchmark layer and do not require contact details.
Project Budget Planner
Combine several home-improvement packages into one planning budget with quantity inputs, regional modelling and a separate contingency allowance.
Regional Cost Comparison
Compare the same national home-improvement benchmark across all published UK Home Costs regional models and see the model delta from baseline.
Quote Checker
Compare a contractor quote with published planning ranges by project, quantity and regional model, then review scope clarity with a practical checklist.
Quote Comparison
Compare two to four contractor quotes side by side, measure the price spread and check each total against one project benchmark and regional model.
Home cost categories
9 focused hubs connect the full cost library into renovation, energy, surveys, trades, materials and outdoor clusters.
Renovation & Building
UK costs for renovations, extensions, new builds, garages, lofts, structural alterations, specialist removal work and major building projects.
Explore costs →7 guides · 7 calculatorsKitchens, Bathrooms & Interiors
UK kitchen, bathroom, flooring, screeding, underfloor heating, decorating and plastering cost guides.
Explore costs →11 guides · 11 calculatorsRoofing & Exterior
UK roof repair and replacement, repointing, gutters, chimney, windows, doors, rendering, damp treatment and scaffolding cost guides.
Explore costs →12 guides · 12 calculatorsEnergy & Insulation
UK costs for central heating, radiators, boilers, power flushing, heat pumps, air conditioning, solar panels, underfloor heating and home insulation.
Explore costs →7 guides · 7 calculatorsElectrical & Plumbing
UK rewiring, consumer unit, electrician, plumber, drain unblocking, CCTV drain survey and EV charger cost guides.
Explore costs →8 guides · 8 calculatorsSurveys & Professional Fees
UK costs and statutory fees for house surveys, structural engineers, party wall advice, architect fees, planning applications, EPCs and asbestos surveys.
Explore costs →10 guides · 10 calculatorsOutdoor Projects
UK landscaping, driveway, patio, decking, fencing, brick wall, garage, garden room and skip hire cost guides.
Explore costs →7 guides · 7 calculatorsMaterials & Supplies
UK ready-mix concrete, screed, plasterboard, brickwork and common site-supply cost guides.
Explore costs →12 guides · 12 calculatorsTrade Rates
UK builder, bricklayer, carpenter, electrician, plumber, roofer, tiler and other trade labour rates.
Explore costs →Typical UK project costs
Useful national planning ranges before project-specific and regional adjustments.
Costs vary across the UK
Explore 14 location hubs and 196 detailed city-project guides, or compare the same benchmark across all regions in one view.
Browse all location cost hubs →Browse regional project guides →Compare regional costs →