From £6,554
Trusted and professional extension builder in Kilburn. Experienced in all extension buildering work and keeping within budget and on quote. ASE Des...
From £6,178
Kilburn, NW6
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,506
Trusted and professional extension builder in Kilburn. Experienced in all extension buildering work and keeping within budget and on quote. ScpiPo ...
From £6,522
Haven Design and Build are here to help customers who need an Extension Builder in Kilburn. We offer a competitive rate to complete all your extens...
From £6,626
Kilburn, NW6
Need to find an Extension Builder near you for all your extension buildering work?
EUROBUILD PROPERTIES CO LTD provides a local, trusted ex...
From £8,154
Plum & Bros Loft Ltd is an established extension buildering business in Kilburn. We come highly recommended and provide competitive quotes for your...
From £6,482
Kilburn Londonderry, NW6
Hampstead Design Hub are here to help customers who need an Extension Builder in Kilburn. We offer a competitive rate to complete all your extensio...
From £6,346
We specialize in private and commercial residential construction and operate as a general contracting and full-service project management company w...
From £6,698
Kilburn Greater London, NW6
In Eye Construction, for the first time, we are bringing our high-end experience of design and build to the residential market. Our family-run busi...

Concrete foundations range from the £6,178 (BPS Building based in NW6) to £8,154 (Plum & Bros Loft Ltd based in NW6) in Kilburn.
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 Kilburn by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
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 - £17,894

Two storey extension - £88,590

Build a timber frame extension - £26,394

Build a swimming pool - £81,394

Single storey extension - £62,872

Side return extension - £45,928

Install an RSJ - £2,594

Outbuilding - £10,394

Build a Mansard loft conversion - £52,394

Loft conversion - £37,440

Build a kitchen extension - £42,394

Hip to gable loft conversion - £42,394

Granny annexe - £87,394

Garden office - £10,394

Convert a Garage - £16,394

Garage - £18,894

Build a flat roof extension - £22,394

Build a dormer loft conversion - £42,394

Concrete foundations - £6,644

Convert a bungalow loft - £29,394

Convert a basement - £41,928