Build additional living space on your property in Brentford

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

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From £87,416

Last active Nov 26
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Andy Harris Construction

Andy Harris

Andy Harris Construction is an established and experienced local extension builder in Brentford. Please contact us for a free, no obligation quote ...

From £87,248

Last active Oct 26
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Slick Construction Ltd

Need to find an Extension Builder near you for all your extension buildering work?

Slick Construction Ltd provides a local, trusted extensi...

From £87,152

Last active Oct 26
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Hawaii Ltd

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

From £87,224

Last active Oct 26
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Image Design & Consultants

Image Design & Consultants is a trusted extension builder serving customers in Brentford and the surrounding area. Contact us to today to get a com...

From £87,192

Last active Oct 26
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AG-Renovation Ltd

AG-Renovation Ltd is a trusted extension builder serving customers in Brentford and the surrounding area. Contact us to today to get a competitive ...

From £87,504

Last active Oct 26
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Ferdas Design & Build Ltd

At Ferdas Design & Build Ltd we have been fitting bespoke bathrooms since 2013. We pride ourselves on being the go-to bathroom fitters for discerni...

From £87,304

Last active Oct 26
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The Diamond Property Service Ltd

Tomasz Pedowicz

Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...

From £86,904

Last active Sep 26
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Elite Construction London Ltd

Elite Construction London Ltd

Location

Brentford, TW8

Elite Construction London Ltd has been one of the top providers of building and remodeling services in London for more than ten years.Our goal is ...

From £86,952

Last active Sep 26
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Global Building & Designs Ltd

Global Building & Designs Ltd is an established and experienced local extension builder in Brentford. Please contact us for a free, no obligation q...

From £87,360

Last active Sep 26
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JP CONSTRUCTION

JP CONSTRUCTION is an established extension buildering business in Brentford. We come highly recommended and provide competitive quotes for your wo...

Granny Annexe Cost in Brentford

Estimates for granny annexe near Brentford

Building a granny annexe ranges from £86,904 (Elite Construction London Ltd based in TW8) to £87,504 (Ferdas Design & Build Ltd based in W3), 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 Brentford by posting a job with HaMuch. We will send it to extension builders in Brentford who will be happy to help you.


Estimates for common extension builder jobs in Brentford;

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...