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Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Patrick Gavin
Need an Extension Builder in NW8? NWL Renovations Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in NW8 and the surrounding area. Contact us to today to get a competitive quo...
Relax... you have found a reliable extension builder in NW8. M & A UK Ltd is a friendly and reliable company based in NW8 who consider no job as to...
JK Doors is a trusted extension builder serving customers in NW8 and the surrounding area. Contact us to today to get a competitive quote for exten...
Hussein Eljhani
We are highly professional Builders Company, hones pricing and reliable, we leave all areas clean and tidy.
Plum & Bros Loft Ltd is an established extension buildering business in NW8. We come highly recommended and provide competitive quotes for your wor...
Need to find an Extension Builder near you for all your extension buildering work?
EUROBUILD PROPERTIES CO LTD provides a local, trusted ex...
From £88,348
Pro Fast Build Ltd. is a well established building company specialising in all areas of building work – interior and exterior. We are the best ch...
From £88,348
Trusted and professional extension builder in NW8. Experienced in all extension buildering work and keeping within budget and on quote. Hartley Lim...

Costs range from £87,892 (BPS Building based in NW6) to £90,856 (Plum & Bros Loft Ltd based in NW6), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to NW8.
"Two storey extension" - NW6, job posted 01/01/70
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 - £17,868

Two storey extension - £88,552

Build a timber frame extension - £26,368

Build a swimming pool - £81,368

Single storey extension - £62,360

Side return extension - £45,640

Install an RSJ - £2,568

Outbuilding - £10,368

Build a Mansard loft conversion - £52,368

Loft conversion - £37,200

Build a kitchen extension - £42,368

Hip to gable loft conversion - £42,368

Granny annexe - £87,368

Garden office - £10,368

Convert a Garage - £16,368

Garage - £18,868

Build a flat roof extension - £22,368

Build a dormer loft conversion - £42,368

Concrete foundations - £6,618

Convert a bungalow loft - £29,368

Convert a basement - £41,640