Build additional living space on your property in SL4

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 SL4? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Granny annexe cost in SL4 - Sort by rates or availability

From £87,032

(last active 17/10/26)
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BeautifulRenovation

BeautifulRenovation are here to help customers who need an Extension Builder in SL4. We offer a competitive rate to complete all your extension bui...

From £87,064

(last active 17/10/26)
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MRE Maintenance Services

MRE Maintenance Services is an established and experienced local extension builder in SL4. Please contact us for a free, no obligation quote and co...

From £87,144

(last active 17/10/26)
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BDR Home Improvement

BDR Home Improvement are here to help customers who need an Extension Builder in SL4. We offer a competitive rate to complete all your extension bu...

From £87,048

(last active 17/10/26)
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Sherry Construction

Experienced extension builder ready to quote for your work. Sherry Construction is the best extension builder in SL4. No obligation free quotes and...

From £86,992

(last active 17/10/26)
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EIC Builders Ltd

EIC Builders Ltd are here to help customers who need an Extension Builder in SL4. We offer a competitive rate to complete all your extension builde...

From £87,160

(last active 09/09/26)
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EGPM LTD

EGPM LTD are here to help customers who need an Extension Builder in SL4. We offer a competitive rate to complete all your extension buildering job...

From £86,928

(last active 27/08/26)
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Rai Builders

Experienced extension builder ready to quote for your work. Rai Builders is the best extension builder in SL4. No obligation free quotes and many h...

From £87,360

(last active 27/08/26)
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Ani Mokashi

Ani Mokashi is an established and experienced local extension builder in SL4. Please contact us for a free, no obligation quote and competitive rat...

From £87,352

(last active 27/08/26)
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Mario Polish Builders

Mario

Trusted and professional extension builder in SL4. Experienced in all extension buildering work and keeping within budget and on quote. Mario Polis...

From £86,952

(last active 23/07/26)
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Dub Solutions

Dub Solutions is a trusted extension builder serving customers in SL4 and the surrounding area. Contact us to today to get a competitive quote for ...

Granny Annexe Cost in SL4

Estimates for granny annexe near SL4

Building a granny annexe ranges from £86,928 (Rai Builders based in SL2) to £87,360 (Ani Mokashi based in SL4), 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 SL4 by posting a job with HaMuch. We will send it to extension builders in SL4 who will be happy to help you.


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Estimates for common extension builder jobs in SL4;

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...