Build additional living space on your property in SW19

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 SW19? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Granny annexe cost in SW19 - Sort by rates or availability

From £87,176

(rates verified 05/10/26)
Get quotes

Self employed

Hamza Elezi

Hight quality of jobs

From £87,072

(last active 17/09/26)
Get quotes

Sonik Building Services

Trusted and professional extension builder in SW19. Experienced in all extension buildering work and keeping within budget and on quote. Sonik Buil...

From £87,320

(last active 17/09/26)
Get quotes

Renaissance Timothy Brewer Ltd

Renaissance Timothy Brewer Ltd is an established extension buildering business in SW19. We come highly recommended and provide competitive quotes f...

From £87,136

(last active 17/09/26)
Get quotes

The Bleu Group

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

From £87,064

(last active 28/08/26)
Get quotes

You Nailed It Ltd

Location

London, SW19

At You Nailed It Ltd we have been fitting bespoke bathrooms since 2008.It is a well-known fact that bathrooms sell houses. They also add a ...

From £87,240

(last active 26/08/26)
Get quotes

Flanagan Construction Ltd

Tom Flanagan

Very experienced Builder in this area ,Epsom Sutton  Raynes pk Wimbledon areas mostly now on recommendation usually also supply Drawings&a Structu...

From £87,200

(last active 28/07/26)
Get quotes

CW BUILDING SERVICES

Experienced extension builder ready to quote for your work. CW BUILDING SERVICES is the best extension builder in SW19. No obligation free quotes a...

From £87,168

(last active 07/06/26)
Get quotes

TTG CONSTRUCTION LTD

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

From £87,128

(last active 07/06/26)
Get quotes

J & D Construction

Location

Wimbledon, SW19

Trusted and professional extension builder in SW19. Experienced in all extension buildering work and keeping within budget and on quote. J & D Cons...

From £87,416

(last active 07/06/26)
Get quotes

ACE BUILDING CONTRACTORS AND D

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

Granny Annexe Cost in SW19

Estimates for granny annexe near SW19

Building a granny annexe ranges from £87,064 (You Nailed It Ltd based in SW19) to £87,416 (ACE BUILDING CONTRACTORS AND D based in SW19), 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 SW19 by posting a job with HaMuch. We will send it to extension builders in SW19 who will be happy to help you.


Get extension builder rates instantly

Estimates for common extension builder jobs in SW19;

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.

More extensions & conversions cost guides...