Build additional living space on your property in South Norwood

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

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From £87,048

Rates verified Sep 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 South Norwood. No obligation fr...

From £88,200

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Banga Decoration

Sebastian Banga

Member since August 2025

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 £88,024

Last active Nov 26
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Buci builders ltd

Robert Buci

Buci builders ltd is a trusted extension builder serving customers in South Norwood and the surrounding area. Contact us to today to get a competit...

From £87,144

Last active Nov 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 £86,992

Last active Oct 26
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Cre8tive Contractors Ltd

Cre8tive Contractors Ltd are here to help customers who need an Extension Builder in South Norwood. We offer a competitive rate to complete all you...

From £86,984

Last active Oct 26

2 reviews

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RCB Group Design & Build

Vasi J

No Call out charges! 

All Jobs Fully Insured and Guaranteed !!!

All aspects of Plumbing, Heating and Drains....

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"I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY

From £87,040

Last active Oct 26
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PW Construction & Renovation Ltd

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

From £87,344

Last active Oct 26
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Glenn Miller Builders Limited

Glenn Miller

Relax... you have found a reliable extension builder in South Norwood. Glenn Miller Builders Limited is a friendly and reliable company based in So...

From £87,088

Last active Sep 26
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L M G Building Services (London) Ltd

Relax... you have found a reliable extension builder in South Norwood. L M G Building Services (London) Ltd is a friendly and reliable company base...

From £87,296

Last active Sep 26
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Aviemore Building Contractors Ltd

Experienced extension builder ready to quote for your work. Aviemore Building Contractors Ltd is the best extension builder in South Norwood. No ob...

Granny Annexe Cost in South Norwood

Estimates for granny annexe near South Norwood

Building a granny annexe ranges from £86,984 (RCB Group Design & Build based in SE21) 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 South Norwood by posting a job with HaMuch. We will send it to extension builders in South Norwood who will be happy to help you.


Estimates for common extension builder jobs in South Norwood;

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...