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Relax... you have found a reliable extension builder in Stoneleigh. GDW Construction is a friendly and reliable company based in Stoneleigh who con...
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Stoneleigh. No obligation free ...
From £89,800
Sebastian Banga
Member since August 2025
Banga decoration. Is Base in south London for number of year Banga decoration is a small company. Wich provide an excellent job to the custom...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Gani Bush
Gb construction are here to help customers who need an Extension Builder in Stoneleigh. We offer a competitive rate to complete all your extension...
Trusted and professional extension builder in Stoneleigh. Experienced in all extension buildering work and keeping within budget and on quote. TFC ...
Relax... you have found a reliable extension builder in Stoneleigh. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable ...
Trusted and professional extension builder in Stoneleigh. Experienced in all extension buildering work and keeping within budget and on quote. J & ...

Costs range from £88,072 (J&J Building Solutions based in SW16) to £89,800 (Banga Decoration based in CR7), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Stoneleigh.
"Two storey extension on the side and rear, new kitchen, new bathrooms" - WORCESTER, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Ewell | £44 | £275 |
| Two Storey Extension near Epsom | £44 | £275 |
| Two Storey Extension near Sutton | £43 | £274 |
| Two Storey Extension near Tadworth | £41 | £271 |
| Two Storey Extension near Reigate & Banstead | £41 | £271 |
| Two Storey Extension near Esher | £43 | £274 |
| Two Storey Extension near Kingston Upon Thames | £43 | £271 |
| Two Storey Extension near Merton | £43 | £272 |
| Two Storey Extension near Wimbledon | £43 | £273 |
| Two Storey Extension near Richmond Upon Thames | £43 | £274 |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,900

Two storey extension - £88,600

Build a timber frame extension - £26,400

Build a swimming pool - £81,400

Single storey extension - £63,000

Side return extension - £46,000

Install an RSJ - £2,600

Outbuilding - £10,400

Build a Mansard loft conversion - £52,400

Loft conversion - £37,500

Build a kitchen extension - £42,400

Hip to gable loft conversion - £42,400

Granny annexe - £87,400

Garden office - £10,400

Convert a Garage - £16,400

Garage - £18,900

Build a flat roof extension - £22,400

Build a dormer loft conversion - £42,400

Concrete foundations - £6,650

Convert a bungalow loft - £29,400

Convert a basement - £42,000