Build additional living space on your property in N20

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 N20? To see prices and availability for your job click green button.

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From £87,560

Last active Oct 26
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Rafix Building

Rafal Szczepanski

Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...

From £87,376

Last active Oct 26
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WT Construction Service Ltd

Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...

From £86,944

Last active Oct 26
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New Finishes

New Finishes is a trusted extension builder serving customers in N20 and the surrounding area. Contact us to today to get a competitive quote for e...

From £87,376

Last active Oct 26
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Pavillion Building Services

Relax... you have found a reliable extension builder in N20. Pavillion Building Services is a friendly and reliable company based in N20 who consid...

From £87,208

Last active Oct 26
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Homeland Building Ltd

Homeland Building Ltd is a trusted extension builder serving customers in N20 and the surrounding area. Contact us to today to get a competitive qu...

From £87,056

Last active Oct 26
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Wittick Building Ltd

Wittick Building Ltd is a trusted extension builder serving customers in N20 and the surrounding area. Contact us to today to get a competitive quo...

From £87,208

Last active Sep 26
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Roni Lofts Conversions Ltd

Need an Extension Builder in N20? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...

From £86,320

Last active Aug 26
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Onyx Iv

Ivaylo Shkodrov

Extremely reliable service . Flexibility, correct, listening customer.  Wide experience.  

From £87,096

Last active Aug 26
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Taylor Construction Services Ltd

Relax... you have found a reliable extension builder in N20. Taylor Construction Services Ltd is a friendly and reliable company based in N20 who c...

From £86,928

Last active Aug 26
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Raf's Building Service

Need to find an Extension Builder near you for all your extension buildering work?

Raf's Building Service provides a local, trusted extensi...

Granny Annexe Cost in N20

Estimates for granny annexe near N20

Building a granny annexe ranges from £86,320 (Onyx Iv based in N11) to £87,560 (Rafix Building based in EN4), 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 N20 by posting a job with HaMuch. We will send it to extension builders in N20 who will be happy to help you.


Estimates for common extension builder jobs in N20;

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...