Build additional living space on your property in SE18

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 SE18? To see prices and availability for your job click green button.

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From £87,616

Last active Oct 26
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HOUSE BUILDING SERVICES LIMITED

Tommy House

HOUSE BUILDING SERVICES LIMITED is a trusted extension builder serving customers in SE18 and the surrounding area. Contact us to today to get a com...

From £87,088

Last active Sep 26
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AM Builder

Trusted and professional extension builder in SE18. Experienced in all extension buildering work and keeping within budget and on quote. AM Builder...

From £87,248

Last active Sep 26
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PFM General Building Services Ltd

Philip Boateg

Location

London, SE18

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

PFM General Building Services Ltd provides a local, trus...

From £87,520

Last active Sep 26
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JASPG Construction & Design

JASPG excel in finding investment opportunities, working together with clients and partners to achieve optimal results. We project manage from star...

From £86,920

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Keane & Sons Paving

Keane & Sons Paving is an established and experienced local extension builder in SE18. Please contact us for a free, no obligation quote and compet...

From £86,904

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Builder.Special

Builder.Special is an established and experienced local extension builder in SE18. Please contact us for a free, no obligation quote and competitiv...

From £86,960

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Satau Construction Works Ltd

Satau Construction Works Ltd is an established and experienced local extension builder in SE18. Please contact us for a free, no obligation quote a...

From £86,264

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Birdz Property Services

Zachary Bird

Birdz Property Services are here to help customers who need an Extension Builder in SE18. We offer a competitive rate to complete all your extensio...

From £87,080

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D S J Building Contractors

D S J Building Contractors are here to help customers who need an Extension Builder in SE18. We offer a competitive rate to complete all your exten...

From £87,080

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Dry Spell Builders

Dry Spell Builders are here to help customers who need an Extension Builder in SE18. We offer a competitive rate to complete all your extension bui...

Granny Annexe Cost in SE18

Estimates for granny annexe near SE18

Building a granny annexe ranges from £86,264 (Birdz Property Services based in DA16) to £87,616 (HOUSE BUILDING SERVICES LIMITED based in DA16), 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 SE18 by posting a job with HaMuch. We will send it to extension builders in SE18 who will be happy to help you.

"Granny annexe" - ABBEY WOOD, job posted 08/01/24


Estimates for common extension builder jobs in SE18;

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...