From £17,532
Need an Extension Builder in Kentish Town? Capital Projects has been helping local clients (5 mile radius) with their extension buildering jobs for...
From £17,796
Welcome to Capital Projects , where you will receive one of the finest quality building and refurbishment services in London. We are a London based...
From £17,404
JAMES REGAN CONSTRUCTION is a trusted extension builder serving customers in Kentish Town and the surrounding area. Contact us to today to get a co...
From £17,628
RAM Build Construction Ltd is an established and experienced local extension builder in Kentish Town. Please contact us for a free, no obligation q...
From £17,828
Need an Extension Builder in Kentish Town? Forster & Sons has been helping local clients (5 mile radius) with their extension buildering jobs for m...
From £17,476
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Kentish Town and the surrounding area. Contact us to today to get a compet...
From £17,532
Square Foot Basements Ltd are here to help customers who need an Extension Builder in Kentish Town. We offer a competitive rate to complete all you...
From £17,460
Experienced extension builder ready to quote for your work. D.W Baker is the best extension builder in Kentish Town. No obligation free quotes and ...
From £17,548
Need an Extension Builder in Kentish Town? Avocado Sweets Design Studio has been helping local clients (5 mile radius) with their extension builder...
From £17,988
Welcome to Novo Solutions Group Ltd - Your premier building construction and renovation specialists. Based in the UK, Novo Solutions Group...

Underpinning ranges from £17,404 (JAMES REGAN CONSTRUCTION based in NW5) to £17,988 (Novo Solutions Group Ltd based in NW3), 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 Kentish Town by posting a job with HaMuch and we will send it to extension builders in Kentish Town.
"Underpin a building" - N7, job posted 01/01/70
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 - £17,619

Two storey extension - £88,179

Build a timber frame extension - £26,119

Build a swimming pool - £81,119

Single storey extension - £57,384

Side return extension - £42,841

Install an RSJ - £2,319

Outbuilding - £10,119

Build a Mansard loft conversion - £52,119

Loft conversion - £34,868

Build a kitchen extension - £42,119

Hip to gable loft conversion - £42,119

Granny annexe - £87,119

Garden office - £10,119

Convert a Garage - £16,119

Garage - £18,619

Build a flat roof extension - £22,119

Build a dormer loft conversion - £42,119

Concrete foundations - £6,369

Convert a bungalow loft - £29,119

Convert a basement - £38,841