From £6,242
Relax... you have found a reliable extension builder in SW1A. London Projects Ltd is a friendly and reliable company based in SW1A who consider no ...
From £6,754
Welcome to Adamko Interiors Ltd. We specialize in customized interior design solutions, prioritizing customer satisfaction and creating safe, comfo...
From £4,458
Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...
From £6,226
A to Z Builders Ltd are here to help customers who need an Extension Builder in SW1A. We offer a competitive rate to complete all your extension bu...
From £6,506
Originally established in 1996 ELV8 has set the highest standards within the building industry, achieving success by winning numerous gold awards f...
From £6,602
Experienced extension builder ready to quote for your work. Mayfair Design is the best extension builder in SW1A. No obligation free quotes and man...
From £6,274
Luxe Refurbs is an established extension buildering business in SW1A. We come highly recommended and provide competitive quotes for your work.
...From £6,506
F & F Building Services is an established extension buildering business in SW1A. We come highly recommended and provide competitive quotes for your...
From £6,290
We Love Build - Three Arches is an established extension buildering business in SW1A. We come highly recommended and provide competitive quotes for...
From £6,722
We are a Design and Build Company, based in London.We focus on super prime and luxury residential renovations in and around London and internationa...

Concrete foundations range from the £4,458 (London Design And Build based in SW1A) to £6,754 (Adamko Dry Lining London based in WC2N) in SW1A.
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 SW1A by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
"Concrete foundation" - W1T
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 - £17,508

Two storey extension - £88,012

Build a timber frame extension - £26,008

Build a swimming pool - £81,008

Single storey extension - £55,160

Side return extension - £41,590

Install an RSJ - £2,208

Outbuilding - £10,008

Build a Mansard loft conversion - £52,008

Loft conversion - £33,825

Build a kitchen extension - £42,008

Hip to gable loft conversion - £42,008

Granny annexe - £87,008

Garden office - £10,008

Convert a Garage - £16,008

Garage - £18,508

Build a flat roof extension - £22,008

Build a dormer loft conversion - £42,008

Concrete foundations - £6,258

Convert a bungalow loft - £29,008

Convert a basement - £37,590