From £17,844
Greater London, WC2A
Elite Building is an established extension buildering business in WC2A. We come highly recommended and provide competitive quotes for your work.
From £17,988
Elite Building And Heating was founded by Davinder Dhanda in 2018. Based in Central London, Davinder Worked on Construction sites since the age of ...
From £17,516
TipTop Joinery & Build is a trusted extension builder serving customers in WC2A and the surrounding area. Contact us to today to get a competitive ...
From £17,444
Relax... you have found a reliable extension builder in WC2A. Otto & Mensah Build is a friendly and reliable company based in WC2A who consider no ...
From £17,644
House Rendering Ltd is a trusted extension builder serving customers in WC2A and the surrounding area. Contact us to today to get a competitive quo...
From £17,740
Relax... you have found a reliable extension builder in WC2A. HouseUP is a friendly and reliable company based in WC2A who consider no job as too b...
From £17,700
Experienced extension builder ready to quote for your work. My Trusted Builder is the best extension builder in WC2A. No obligation free quotes and...
From £17,524
Need to find an Extension Builder near you for all your extension buildering work?
ORO Projects provides a local, trusted extension builder...
From £17,772
Trusted and professional extension builder in WC2A. Experienced in all extension buildering work and keeping within budget and on quote. ElleHaus h...
From £17,580
Whitehorse Build London offers a full management service running each project from design through to completion, removing many of the hassle associ...

Underpinning ranges from £17,444 (Otto & Mensah Build based in WC1N) to £17,988 (Elite Building based in WC2A), 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 WC2A by posting a job with HaMuch and we will send it to extension builders in WC2A.
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 - £17,675

Two storey extension - £88,263

Build a timber frame extension - £26,175

Build a swimming pool - £81,175

Single storey extension - £58,504

Side return extension - £43,471

Install an RSJ - £2,375

Outbuilding - £10,175

Build a Mansard loft conversion - £52,175

Loft conversion - £35,393

Build a kitchen extension - £42,175

Hip to gable loft conversion - £42,175

Granny annexe - £87,175

Garden office - £10,175

Convert a Garage - £16,175

Garage - £18,675

Build a flat roof extension - £22,175

Build a dormer loft conversion - £42,175

Concrete foundations - £6,425

Convert a bungalow loft - £29,175

Convert a basement - £39,471