Build additional living space on your property in Becontree Heath

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

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From £87,120

Rates verified Oct 26
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SDS Constructions

Sean Smithers

Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...

From £88,232

Rates verified Oct 26
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Optimus Build Solutions

Vasile Boghean

Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...

From £86,880

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Can design and Construction

Erald Kanani

Member since August 2025

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

From £87,224

Last active Nov 26
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Gems Building & Maintenance Services

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

From £87,240

Last active Nov 26
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PHOENIX DEVELOPMNTS LONDON LTD

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

From £87,712

Last active Nov 26
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Render

Experienced extension builder ready to quote for your work. Render is the best extension builder in Becontree Heath. No obligation free quotes and ...

From £87,328

Last active Nov 26
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Tony Rutter

Need an Extension Builder in Becontree Heath? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for ...

From £87,400

Last active Nov 26
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Decorating Building Service

Decorating Building Service are here to help customers who need an Extension Builder in Becontree Heath. We offer a competitive rate to complete al...

From £87,168

Last active Nov 26
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Sevcan Construction

Relax... you have found a reliable extension builder in Becontree Heath. Sevcan Construction is a friendly and reliable company based in Becontree ...

From £87,272

Last active Nov 26
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Kunshi Services UK Ltd

Kunshi Services UK Ltd is a trusted extension builder serving customers in Becontree Heath and the surrounding area. Contact us to today to get a c...

Granny Annexe Cost in Becontree Heath

Estimates for granny annexe near Becontree Heath

Building a granny annexe ranges from £86,880 (Can design and Construction based in Ig11) to £88,232 (Optimus Build Solutions based in Rm1), 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 Becontree Heath by posting a job with HaMuch. We will send it to extension builders in Becontree Heath who will be happy to help you.


Estimates for common extension builder jobs in Becontree Heath;

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...