Build additional living space on your property in Greater London

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 Greater London? To see prices and availability for your job click green button.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL Greater London extension builders

Compare quotes

Compare quotes

Available extension builders in Greater London reply

Save Money

Save Money

Select your affordable Greater London extension builder

Post your job

From £87,152

Last active Nov 26
Get quotes

J&S WALLINGTON LIMITED

We provide our clients with excellent service and quality. Whether you are looking to extend or upgrade, our professional team has the skills and e...

From £87,376

Last active Oct 26
Get quotes

Saintflexs

Julian Cafun

Need an Extension Builder in Greater London? Saintflexs has been helping local clients (10 mile radius) with their extension buildering jobs for m...

From £87,184

Last active Oct 26
Get quotes

Our Builders Ltd

Max Dixon

We are a construction company specialising in all aspects of building works, loft construction Extension complete home renovation, structural ...

From £86,992

Last active Oct 26
Get quotes

Cre8tive Contractors Ltd

Cre8tive Contractors Ltd are here to help customers who need an Extension Builder in Greater London. We offer a competitive rate to complete all yo...

From £87,088

Last active Sep 26
Get quotes

L M G Building Services (London) Ltd

Relax... you have found a reliable extension builder in Greater London. L M G Building Services (London) Ltd is a friendly and reliable company bas...

From £87,296

Last active Sep 26
Get quotes

AAB Tile Installation & Repairs

AAB Tile Installation & Repairs are here to help customers who need an Extension Builder in Greater London. We offer a competitive rate to complete...

From £87,328

Last active Sep 26
Get quotes

QUANTIC BUILDING SERVICES LTD

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

From £86,960

Last active Aug 26
Get quotes

Rapid Bee Ltd

Rapid Bee Ltd is an established extension buildering business in Greater London. We come highly recommended and provide competitive quotes for your...

From £87,216

Last active Jun 26
Get quotes

Aumosa Ltd

Experienced extension builder ready to quote for your work. Aumosa Ltd is the best extension builder in Greater London. No obligation free quotes a...

From £87,200

Last active Jun 26
Get quotes

HA.ME.RA Building & Decoration

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 Greater London

Estimates for granny annexe near Greater London

Building a granny annexe ranges from £86,960 (Rapid Bee Ltd based in SE12) to £87,376 (Saintflexs based in BR1), 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 Greater London by posting a job with HaMuch. We will send it to extension builders in Greater London who will be happy to help you.


Estimates for common extension builder jobs in Greater London;

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...