Build additional living space on your property in NW4

A granny annexe is the ideal solution for offering a young family member their own space in your home while they save up for their own house, or to help an older relative have some independence while keeping them at a safe distance. But how much do they cost to build in NW4?

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Granny annexe cost in NW4

GIR Services Ltd

From £86,904

Location

London, NW4

Need an Extension Builder in NW4? GIR Services Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...

Combit Constructuion

From £87,384

Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Combit Construction Ltd

From £87,392

Location

Greater London, NW4

Combit Construction Ltd is a house renovation company based in NW London.We specialise in new builds, full house renovations, house extensions and ...

Upscale Construction group

From £87,216

Our work varies across all major property sectors including commercial development office, retail, residential, hotels and care, even education. Ou...

B. S. D. Design & Build Ltd

From £87,136

Location

London, NW4

B.S.D Design & Build LTD is a member off FMB- Federation of Master Builders. Our company is also a Trustmark registered company.

Saha Properties Ltd

From £87,272

Saha Properties is a family owned business inheriting over 25 years of experience in the industry. Starting off from humble beginnings we have grow...

AG design-build

From £87,296

Location

Greater London, NW4

Specialising in Planning Application and Building Control Drawings.

SINCLAIR BUILDERS

From £86,992

SINCLAIR BUILDERS is an established extension buildering business in NW4. We come highly recommended and provide competitive quotes for your work.<...

Milkov and Son Construction

From £87,096

Location

Greater London, NW4

Milkov and Son Construction is an established and experienced local extension builder in NW4. Please contact us for a free, no obligation quote and...

dc Designing Centre

From £87,000

DC. Designing Centre was founded in 2017 by Daria Chmura, an interior architect with passion. Her outstanding approach to the client and her life m...

Granny Annexe Cost in NW4

Estimates for granny annexe near NW4

Building a granny annexe ranges from £86,904 (GIR Services Ltd based in NW4) to £87,392 (Combit Construction Ltd based in NW4), but these are just estimates that can help give you an idea of who will be better value in your area.

The best thing to do is to get quotes to build a granny annexe in NW4 by posting a job with HaMuch. We will send it to extension builders in NW4 who will be happy to help you.

"Granny annexe" - COLINDALE, job posted 07/12/25


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Estimates for common extension builder jobs in NW4;

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.

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