Trusted Builders
in London
- Fully vetted and reviewed London builders
- Extensions, loft conversions, kitchens, bathrooms, roofing, driveways & solar installation
- Free quotes — no commitment required
- Work guaranteed, fully insured tradespeople
What Our London Builders Do
All services →Single-storey, double-storey, rear and side extensions built to your design.
Velux, dormer, hip-to-gable and mansard loft conversions in London.
Full kitchen redesign, supply and fit by experienced London kitchen fitters.
Luxury and budget bathroom installations. Full project management available.
Block paving, resin, tarmac and concrete driveways with fast turnaround.
New roofs, repairs, flat roofing and emergency call-outs in London.
Solar panels, battery storage and solar thermal systems installed by vetted London specialists.
Emergency repairs, boiler replacements and full bathroom plumbing by CIPHE/APHC-verified plumbers in London.
Full rewires, consumer units and EV chargers installed by NICEIC/ECA-registered electricians in London.
Interior and exterior painting, wallpapering and full-house repaints by PDA and Dulux Select-accredited decorators.
Internal doors, fitted wardrobes and staircases by BWF and Institute of Carpenters-qualified joiners in London.
Fencing, patios and full garden design & build by BALI and APL-accredited landscapers across London.
Single, double, integral or detached garage conversions in London — full building regs sign-off included.
OZEV-approved EV charger installers in London — 7kW, 22kW, tethered, untethered and PV-linked options.
Domestic, commercial & chimney scaffolding hire in London — erected, inspected and dismantled by CISRS-carded crews.
Mini, builders & RoRo skips delivered across London — permits arranged and licensed waste carriers.
Home, office & long-distance removals in London — packing, storage and insured BAR-member movers.
Combi swaps, system boilers and full conversions in London by Gas Safe registered engineers.
Up-and-over, insulated roller and automated electric garage doors fitted across London.
uPVC, aluminium and heritage double glazing in London — FENSA registered installers.
Party walls, full rooms and floor/ceiling acoustic systems in London, built to Part E.
Split, multi-split and ducted air conditioning installed across London by F-Gas registered engineers.
Architects and architectural designers for extension plans, loft drawings and planning applications across London.
NSI & SSAIB approved installers fitting bells-only, monitored and smart burglar alarms across London.
Why Choose BestBuilders in London?
London has a thriving home improvement market driven by a strong local economy and a mix of Victorian terraces, post-war housing and contemporary developments. Finding the right builder is key to any successful project.
Every builder in our London network is thoroughly vetted before joining BestBuilders. We verify insurance cover, check trade memberships with bodies such as the FMB and CIOB, and require a minimum of five real customer reviews.
From a small bathroom refurbishment to a major double-storey extension, our vetted London builders cover the full range of residential projects. Request your free quotes today and compare options before making any decisions.
Start My Free Quote →Average Building Costs in London
| Internal door hanging | £ 600 – £1,975 |
| Full house rewire | £ 4,600 – £10,600 |
| Fencing (per 25m) | £ 925 – £3,300 |
| Whole-house interior repaint | £ 2,000 – £4,600 |
| Emergency repair | £ 160 – £460 |
| Solar Panel System | £ 5,175 – £9,775 |
| Fitted wardrobes | £ 2,400 – £7,900 |
| Consumer unit replacement | £ 600 – £1,200 |
| Patio installation (25m²) | £ 2,650 – £8,600 |
| House exterior paint | £ 2,400 – £5,950 |
| New bathroom plumbing | £ 1,600 – £4,600 |
| Solar + Battery Storage | £ 9,775 – £17,250 |
| Staircase installation | £ 2,400 – £7,250 |
| Home EV charger install | £ 1,050 – £2,375 |
| Full garden design & install | £ 4,000 – £15,800 |
| Wallpapering per room | £ 450 – £1,125 |
| Boiler replacement | £ 2,400 – £5,300 |
| Solar Thermal System | £ 4,025 – £7,475 |
Indicative prices for London area. See full cost guides →
London Homeowners Trust BestBuilders
En-suite shower room install in London. Stripped to brickwork, new soil pipe routing, walk-in shower with linear drain. Came in at £5445 over 8 working days. Fitter was WaterSafe and Gas Safe registered, certificates emailed same week. Cleanest job we have had in this house in years.
Strip-and-relay job on the 1930s semi in London. Old concrete tiles down, breathable membrane and treated battens up, finished with clay-effect interlocking tiles. Total £7480 over 8 working days. NFRC-registered, gave us a 10-year insurance-backed guarantee.
Block paving driveway laid in London - 36m² covered. Old crumbling surface dug out, fresh sub-base laid, weed membrane and proper edging restraints. Total £3850 over four days. Crew worked through one wet day under temporary shelter to keep the schedule.
London Builder FAQs
Plan Your Project in London
Whether you're researching costs, checking planning rules, or comparing builders before you commit, our editorial team has produced these guides to help London homeowners make informed decisions.