Build additional living space on your property in Boston Spa

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

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From £86,632

Last active Oct 26
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Fearnville Driveways

Trusted and professional extension builder in Boston Spa. Experienced in all extension buildering work and keeping within budget and on quote. Fear...

From £86,736

Last active May 26
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David Clayden

David Clayden

I am a building contracer with 30 years experience apprentice trained taking pride in my work 

From £86,912

Last active Dec 25
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Refresh Renovations - North Yorkshire & Leeds

We are a part of the award-winning Refresh Renovation franchise network.Perhaps you want to freshen up the décor in your Victorian townhouse, or y...

From £86,664

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AMG Design & Build

Philip Gott

Experienced extension builder ready to quote for your work. AMG Design & Build is the best extension builder in Boston Spa. No obligation free quot...

From £86,672

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Atlantic UK

Trusted and professional extension builder in Boston Spa. Experienced in all extension buildering work and keeping within budget and on quote. Atla...

From £86,760

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Ashdale Projects Ltd

Ashdale Projects Ltd is a trusted extension builder serving customers in Boston Spa and the surrounding area. Contact us to today to get a competit...

From £86,784

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Earlswood Construction Ltd

Experienced extension builder ready to quote for your work. Earlswood Construction Ltd is the best extension builder in Boston Spa. No obligation f...

From £86,744

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Future Roofs York Ltd T/A Future Roofs

Experienced extension builder ready to quote for your work. Future Roofs York Ltd T/A Future Roofs is the best extension builder in Boston Spa. No ...

From £86,944

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Zia Developments

We are a Leeds based design and build building and property development firm. We specialize in property renovation/restoration, but also have much ...

Granny Annexe Cost in Boston Spa

Estimates for granny annexe near Boston Spa

Building a granny annexe ranges from £86,632 (Fearnville Driveways based in LS8) to £86,944 (Zia Developments based in LS17), 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 Boston Spa by posting a job with HaMuch. We will send it to extension builders in Boston Spa 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 Chapeltown£30£232
Granny Annexe near Harrogate£29£225
Granny Annexe near Leeds£31£236
Granny Annexe near Rothwell£30£230
Granny Annexe near York£30£229
Granny Annexe near Beeston£31£236
Granny Annexe near Castleford£30£225
Granny Annexe near Normanton£30£233
Granny Annexe near Pudsey£30£227
Granny Annexe near Selby£30£240

Estimates for common extension builder jobs in Boston Spa;

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...