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Build additional living space on your property in SW1A

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 SW1A?

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Granny annexe cost in SW1A

London Projects Ltd

From £86,992

Relax... you have found a reliable extension builder in SW1A. London Projects Ltd is a friendly and reliable company based in SW1A who consider no ...

Adamko Dry Lining London

From £87,504

Welcome to Adamko Interiors Ltd. We specialize in customized interior design solutions, prioritizing customer satisfaction and creating safe, comfo...

London Design And Build

From £85,208

Here at London Design and Build, our team of architects, interior designers, structural engineers and contractors, offer a bespoke, turn-key servic...

A to Z Builders Ltd

From £86,976

A to Z Builders Ltd are here to help customers who need an Extension Builder in SW1A. We offer a competitive rate to complete all your extension bu...

Elv8 Interiors

From £87,256

Originally established in 1996 ELV8 has set the highest standards within the building industry, achieving success by winning numerous gold awards f...

Mayfair Design

From £87,352

Experienced extension builder ready to quote for your work. Mayfair Design is the best extension builder in SW1A. No obligation free quotes and man...

Luxe Refurbs

From £87,024

Luxe Refurbs is an established extension buildering business in SW1A. We come highly recommended and provide competitive quotes for your work.

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F & F Building Services

From £87,256

F & F Building Services is an established extension buildering business in SW1A. We come highly recommended and provide competitive quotes for your...

We Love Build - Three Arches

From £87,040

We Love Build - Three Arches is an established extension buildering business in SW1A. We come highly recommended and provide competitive quotes for...

We Love Build

From £87,472

We are a Design and Build Company, based in London.We focus on super prime and luxury residential renovations in and around London and internationa...

Granny Annexe Cost in SW1A

Estimates for granny annexe near SW1A

Building a granny annexe ranges from £85,208 (London Design And Build based in SW1A) to £87,504 (Adamko Dry Lining London based in WC2N), 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 SW1A by posting a job with HaMuch. We will send it to extension builders in SW1A who will be happy to help you.


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Estimates for common extension builder jobs in SW1A;

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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