From £80,904
Greater London, NW9
Trusted and professional extension builder in NW9. Experienced in all extension buildering work and keeping within budget and on quote. R.A.S. Cons...
From £81,432
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £80,960
Colindale, NW9
HARLEY BUILDING SERVICES LTD are here to help customers who need an Extension Builder in NW9. We offer a competitive rate to complete all your exte...
From £81,184
Relax... you have found a reliable extension builder in NW9. Space Dimensioned Ltd. is a friendly and reliable company based in NW9 who consider no...
From £81,064
Greater London, NW9
Founded in 2000 by Hasan Dikme, a structural engineer and designer, Space Dimensioned Ltd. is a London-based construction and design company. We sp...
From £81,080
Our building services company Luxor Interiors Ltd has 15 years’ experience in the industry. Since then we have been helping customers in London a...
From £81,160
Greater London, NW9
Hallpark Construction are here to help customers who need an Extension Builder in NW9. We offer a competitive rate to complete all your extension b...
From £81,016
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £81,200
West Midlands, NW9
Building restaurations, renovations or refurbishments, plumbing and heating repairing!
From £81,384
Otters Group Ltd is a trusted extension builder serving customers in NW9 and the surrounding area. Contact us to today to get a competitive quote f...

The cost of installing a swimming pool in NW9 ranges from £80,904 (R.A.S. Construction And Design Ltd based in NW9) to £81,432 (BKB Building Contractors based in NW9), but the best way to get an idea of how much you'll spend is to get actual quotes.
Post your job on HaMuch now and we'll put you in touch with extension builders in NW9.
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 - £17,638

Two storey extension - £88,208

Build a timber frame extension - £26,138

Build a swimming pool - £81,138

Single storey extension - £57,768

Side return extension - £43,057

Install an RSJ - £2,338

Outbuilding - £10,138

Build a Mansard loft conversion - £52,138

Loft conversion - £35,048

Build a kitchen extension - £42,138

Hip to gable loft conversion - £42,138

Granny annexe - £87,138

Garden office - £10,138

Convert a Garage - £16,138

Garage - £18,638

Build a flat roof extension - £22,138

Build a dormer loft conversion - £42,138

Concrete foundations - £6,388

Convert a bungalow loft - £29,138

Convert a basement - £39,057