From £63,800
Greater London, UB8
We specialize in residential and commercial developments , delivering a highly personalized and professional customer focused service.We have skil...
From £63,320
Trusted and professional extension builder in UB8. Experienced in all extension buildering work and keeping within budget and on quote. CC Builders...
From £54,040
Sal, UB8
Need an Extension Builder in UB8? Peter Cox Ltd - Uxbridge has been helping local clients (10 mile radius) with their extension buildering jobs for...
From £53,560
G S Builders are here to help customers who need an Extension Builder in UB8. We offer a competitive rate to complete all your extension buildering...
From £63,800
Greater London, UB8
Led by Interior Designer, Carly O'Driscoll-Dommett, Island Exhibitions Residential Interiors provide beautiful & exceptional interiors, to make the...
From £55,640
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £61,880
Greater London, UB8
Need an Extension Builder in UB8? Galacticon has been helping local clients (10 mile radius) with their extension buildering jobs for many years. G...
From £59,320
Need an Extension Builder in UB8? MEAD BUILDING SERVICES LTD has been helping local clients (10 mile radius) with their extension buildering jobs f...
From £56,440
Middlesex, UB8
At CC Builders UK Development, we offer solutions for all aspects of construction for both domestic and commercial clients throughout London and th...
From £63,640
GMB BUILDING SERVICES is an established and experienced local extension builder in UB8. Please contact us for a free, no obligation quote and compe...

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 - £17,727

Two storey extension - £88,341

Build a timber frame extension - £26,227

Build a swimming pool - £81,227

Single storey extension - £59,544

Side return extension - £44,056

Install an RSJ - £2,427

Outbuilding - £10,227

Build a Mansard loft conversion - £52,227

Loft conversion - £35,880

Build a kitchen extension - £42,227

Hip to gable loft conversion - £42,227

Granny annexe - £87,227

Garden office - £10,227

Convert a Garage - £16,227

Garage - £18,727

Build a flat roof extension - £22,227

Build a dormer loft conversion - £42,227

Concrete foundations - £6,477

Convert a bungalow loft - £29,227

Convert a basement - £40,056