Build additional living space on your property in Ewell

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

HaMuch is Excellent

Granny annexe cost in Ewell - Sort by rates or availability

From £87,176

(rates verified 05/10/26)
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Self employed

Hamza Elezi

Hight quality of jobs

From £87,048

(rates verified 18/09/26)
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J&J Building Solutions

Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in Ewell. No obligation free quote...

From £87,208

(last active 17/10/26)
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Building Vision London Ltd

Building Vision London Ltd is a trusted extension builder serving customers in Ewell and the surrounding area. Contact us to today to get a competi...

From £87,192

(last active 16/10/26)
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Gb construction

Gani Bush

Gb construction are here to help customers who need an Extension Builder in Ewell. We offer a competitive rate to complete all your extension buil...

From £88,200

Member since August 2025

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Banga Decoration

Sebastian Banga

Banga decoration. Is Base in south London  for number of year  Banga decoration is a small  company. Wich provide an excellent job to the custom...

From £87,504

(last active 10/10/26)
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CSJ Building Services

Trusted and professional extension builder in Ewell. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Build...

From £86,936

(last active 10/10/26)
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Masters Property Services

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

From £87,040

(last active 07/10/26)
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PW Construction & Renovation Ltd

PW Construction & Renovation Ltd is a trusted extension builder serving customers in Ewell and the surrounding area. Contact us to today to get a c...

From £87,144

(last active 06/10/26)
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Greens Gardening & Landscape Property Maintenance

John Mcdonagh

Watch our short video highlighting all our expertise and services here:

more than 10 y...

From £87,456

(last active 04/10/26)
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Albdeco Builders & Decorators Ltd

Albdeco Builders & Decorators Ltd is a trusted extension builder serving customers in Ewell and the surrounding area. Contact us to today to get a ...

Granny Annexe Cost in Ewell

Estimates for granny annexe near Ewell

Building a granny annexe ranges from £86,936 (Masters Property Services based in SM5) to £88,200 (Banga Decoration based in CR7), 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 Ewell by posting a job with HaMuch. We will send it to extension builders in Ewell 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 Ewell£43£274
Granny Annexe near Epsom£43£274
Granny Annexe near Sutton£43£273
Granny Annexe near Kingston Upon Thames£43£271
Granny Annexe near Esher£43£274
Granny Annexe near Tadworth£41£271
Granny Annexe near Reigate & Banstead£41£271
Granny Annexe near Wimbledon£43£273
Granny Annexe near Merton£43£272
Granny Annexe near Richmond Upon Thames£43£274

Estimates for common extension builder jobs in Ewell;

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...