Build additional living space on your property in St Thomas

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

HaMuch is Excellent

Granny annexe cost in St Thomas - Sort by rates or availability

From £86,976

(last active 13/09/26)
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Blake Services

Blake Services is a trusted extension builder serving customers in St Thomas and the surrounding area. Contact us to today to get a competitive quo...

From £86,776

(last active 02/08/26)
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R BREWER CONSTRUCTION LTD

Relax... you have found a reliable extension builder in St Thomas. R BREWER CONSTRUCTION LTD is a friendly and reliable company based in St Thomas ...

From £86,952

(last active 02/08/26)
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The House Mechanic

The House Mechanic are here to help customers who need an Extension Builder in St Thomas. We offer a competitive rate to complete all your extensio...

From £87,000

(last active 01/08/26)
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WEBB & SONS (SW) LTD

Gary Webb

Reliable family run business established in 2003. All work previously undertaken has been generated purely through word of mouth and recommendation...

From £86,720

(last active 01/07/26)
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PEK BUILD

PEK BUILD are here to help customers who need an Extension Builder in St Thomas. We offer a competitive rate to complete all your extension builder...

From £86,632

(last active 24/06/26)
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F8 CONSTRUCTION LIMITED

F8 CONSTRUCTION LIMITED is an established extension buildering business in St Thomas. We come highly recommended and provide competitive quotes for...

From £86,672

(last active 23/06/26)
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C P Conversions

Trusted and professional extension builder in St Thomas. Experienced in all extension buildering work and keeping within budget and on quote. C P C...

From £86,848

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Build One

Darren

A successful East Devon Building Contractor with a solid 35-years combined experience and reputation.Build One is the brainchild of Dan Walkey and ...

From £86,512

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KARLINE CONSTRUCTION LTD

Relax... you have found a reliable extension builder in St Thomas. KARLINE CONSTRUCTION LTD is a friendly and reliable company based in St Thomas w...

From £86,824

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Livewest

Livewest is a trusted extension builder serving customers in St Thomas and the surrounding area. Contact us to today to get a competitive quote for...

Granny Annexe Cost in St Thomas

Estimates for granny annexe near St Thomas

Building a granny annexe ranges from £86,512 (KARLINE CONSTRUCTION LTD based in EX2) to £87,000 (WEBB & SONS (SW) LTD based in EX1), 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 St Thomas by posting a job with HaMuch. We will send it to extension builders in St Thomas who will be happy to help you.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Granny Annexe near Exeter£27£221
Granny Annexe near Exmouth£24£210
Granny Annexe near Teignbridge£27£260
Granny Annexe near East Devon£27£221
Granny Annexe near Newton Abbot£27£236
Granny Annexe near Tiverton£25£202
Granny Annexe near Torquay£28£223
Granny Annexe near Paignton£27£222
Granny Annexe near Torbay£27£223
Granny Annexe near Taunton£31£242

Estimates for common extension builder jobs in St Thomas;

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...