From £18,580
Greater London, SW3
ADOVA are here to help customers who need an Extension Builder in SW3. We offer a competitive rate to complete all your extension buildering jobs t...
From £18,764
Trusted and professional extension builder in SW3. Experienced in all extension buildering work and keeping within budget and on quote. Oro Project...
From £18,748
Greater London, SW3
Experienced extension builder ready to quote for your work. Clarisford is the best extension builder in SW3. No obligation free quotes and many hap...
From £19,028
Clarisford is a property developer and Design & Build firm that specialise in the creation of extraordinary projects from concept all the way to co...
From £18,908
Our building services company Autas Developments have fifteen years' experience of helping customers in Central London and the surrounding areas by...
From £18,764
We specialise in mid to high end residential renovations.Offering comprehensive Design and Build packages that Inc all necessary reports, plans and...
From £18,396
Trusted and professional extension builder in SW3. Experienced in all extension buildering work and keeping within budget and on quote. Sloane Ave ...
From £18,892
Trusted and professional extension builder in SW3. Experienced in all extension buildering work and keeping within budget and on quote. Property Re...
From £18,924
Greater London, SW3
Builders by Design Ltd are here to help customers who need an Extension Builder in SW3. We offer a competitive rate to complete all your extension ...
From £18,836
Need to find an Extension Builder near you for all your extension buildering work?
Hearne House provides a local, trusted extension builder...

Builders charge between £18,396 (Sloane Ave Renovations based in SW1X) and £19,028 (Clarisford based in SW3) in SW3 to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in SW3 by posting a job with HaMuch and we will send it to extension builders in SW3.
| Borough in London |
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| Garage in Chelsea |
| Garage in South Kensington |
| Garage in Belgravia |
| Garage in Sloane Square |
| Garage in West Brompton |
| Garage in Earl's Court |
| Garage in Pimlico |
| Garage in Belgravia |
| Garage in Victoria Station |
| Garage in Kensington |
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 - £17,784

Two storey extension - £88,426

Build a timber frame extension - £26,284

Build a swimming pool - £81,284

Single storey extension - £60,680

Side return extension - £44,695

Install an RSJ - £2,484

Outbuilding - £10,284

Build a Mansard loft conversion - £52,284

Loft conversion - £36,413

Build a kitchen extension - £42,284

Hip to gable loft conversion - £42,284

Granny annexe - £87,284

Garden office - £10,284

Convert a Garage - £16,284

Garage - £18,784

Build a flat roof extension - £22,284

Build a dormer loft conversion - £42,284

Concrete foundations - £6,534

Convert a bungalow loft - £29,284

Convert a basement - £40,695