From £6,266
TipTop Joinery & Build is a trusted extension builder serving customers in High Holborn and the surrounding area. Contact us to today to get a comp...
From £6,394
House Rendering Ltd is a trusted extension builder serving customers in High Holborn and the surrounding area. Contact us to today to get a competi...
From £6,490
Relax... you have found a reliable extension builder in High Holborn. HouseUP is a friendly and reliable company based in High Holborn who consider...
From £6,450
Experienced extension builder ready to quote for your work. My Trusted Builder is the best extension builder in High Holborn. No obligation free qu...
From £6,274
Need to find an Extension Builder near you for all your extension buildering work?
ORO Projects provides a local, trusted extension builder...
From £6,522
Trusted and professional extension builder in High Holborn. Experienced in all extension buildering work and keeping within budget and on quote. El...
From £6,330
Whitehorse Build London offers a full management service running each project from design through to completion, removing many of the hassle associ...
From £6,346
We offer many services in both residential and commercial settings including:BathroomsBuilding & RenovationDecking & PavingDemolitionDoor Installat...
From £6,642
Matstone Projects Limited is an established extension buildering business in High Holborn. We come highly recommended and provide competitive quote...
From £6,290
Rucco Property is a trusted extension builder serving customers in High Holborn and the surrounding area. Contact us to today to get a competitive ...

Concrete foundations range from the £6,266 (TipTop Joinery & Build based in WC1V) to £6,642 (Matstone Projects Limited based in WC2H) in High Holborn.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in High Holborn by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
"Concrete foundation" - W1T, 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 - £17,650

Two storey extension - £88,226

Build a timber frame extension - £26,150

Build a swimming pool - £81,150

Single storey extension - £58,008

Side return extension - £43,192

Install an RSJ - £2,350

Outbuilding - £10,150

Build a Mansard loft conversion - £52,150

Loft conversion - £35,160

Build a kitchen extension - £42,150

Hip to gable loft conversion - £42,150

Granny annexe - £87,150

Garden office - £10,150

Convert a Garage - £16,150

Garage - £18,650

Build a flat roof extension - £22,150

Build a dormer loft conversion - £42,150

Concrete foundations - £6,400

Convert a bungalow loft - £29,150

Convert a basement - £39,192