From £17,788
Greater London, SE15
Trusted and professional extension builder in Peckham. Experienced in all extension buildering work and keeping within budget and on quote. Baselin...
From £17,564
The Casa Shop is nestled in the heart of Peckham, London. Established in 1998, we are specialist suppliers and installers of Eco Wood-Burning and G...
From £21,548
Based in Camberwell south east London we provide a turnkey service for Domestic and Commercial construction Projects from conception to compl...
From £17,620
Global Business BoxLttd are here to help customers who need an Extension Builder in Peckham. We offer a competitive rate to complete all your exten...
From £17,988
Peckham Kent, SE15
Need an Extension Builder in Peckham? Oxus Construction has been helping local clients (5 mile radius) with their extension buildering jobs for man...
From £17,948
We pride ourselves on providing a professional, caring, and high-quality service and always meet our customers’ needs. Each contractor that works...
From £17,524
James Hall Property Solutions Ltd is a trusted extension builder serving customers in Peckham and the surrounding area. Contact us to today to get ...
From £17,596
Ballara Ltd is an established and experienced local extension builder in Peckham. Please contact us for a free, no obligation quote and competitive...
From £17,540
Ballara Limited was set up by Darryl Pitt in 2008, however, Darryl has been involved in the building industry for over 20 years. He started out a...

Underpinning ranges from £17,524 (James Hall Property Solutions Ltd based in SE22) to £21,548 (Chris Ellis Project Service based in SE5), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Peckham by posting a job with HaMuch and we will send it to extension builders in Peckham.
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 - £18,066

Two storey extension - £88,848

Build a timber frame extension - £26,566

Build a swimming pool - £81,566

Single storey extension - £66,312

Side return extension - £47,863

Install an RSJ - £2,766

Outbuilding - £10,566

Build a Mansard loft conversion - £52,566

Loft conversion - £39,053

Build a kitchen extension - £42,566

Hip to gable loft conversion - £42,566

Granny annexe - £87,566

Garden office - £10,566

Convert a Garage - £16,566

Garage - £19,066

Build a flat roof extension - £22,566

Build a dormer loft conversion - £42,566

Concrete foundations - £6,816

Convert a bungalow loft - £29,566

Convert a basement - £43,863