From £6,474
Volton Building & Paving is a trusted extension builder serving customers in Stanmore and the surrounding area. Contact us to today to get a compet...
From £6,674
Stanmore, HA7
Experienced extension builder ready to quote for your work. O DAMIEAN BUILDING SERVICES is the best extension builder in Stanmore. No obligation fr...
From £6,698
Mobile App Experts is a trusted extension builder serving customers in Stanmore and the surrounding area. Contact us to today to get a competitive ...
From £6,834
Stanmore, HA7
Need to find an Extension Builder near you for all your extension buildering work?
Filip Burla Ltd provides a local, trusted extension buil...
From £6,338
Arch Lucid Ltd ? Architectural Services was established with over twenty years? experience. We take pride in providing clients with a professional,...
From £6,410
Stanmore, HA7
BR Building Services Limited is a trusted extension builder serving customers in Stanmore and the surrounding area. Contact us to today to get a co...
From £6,642
Our building services company Pascariu Building Construction has been providing quality building services since 2017, helping customers in North an...
From £6,250
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £6,682
Platinum Electrics is a Branch off Platinum Premier Projects who deal in all types of construction projects. Platinum Electrics are based in London...
From £6,778
We are one of the top residential building companies in London. We have built up a solid reputation for being the top builders in Harrow and London...

Concrete foundations range from the £6,250 (Eternal Design and Build Ltd based in HA8) to £6,834 (Filip Burla Ltd based in HA7) in Stanmore.
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 Stanmore 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 - £17,828

Two storey extension - £88,492

Build a timber frame extension - £26,328

Build a swimming pool - £81,328

Single storey extension - £61,560

Side return extension - £45,190

Install an RSJ - £2,528

Outbuilding - £10,328

Build a Mansard loft conversion - £52,328

Loft conversion - £36,825

Build a kitchen extension - £42,328

Hip to gable loft conversion - £42,328

Granny annexe - £87,328

Garden office - £10,328

Convert a Garage - £16,328

Garage - £18,828

Build a flat roof extension - £22,328

Build a dormer loft conversion - £42,328

Concrete foundations - £6,578

Convert a bungalow loft - £29,328

Convert a basement - £41,190