Build a kitchen extension in Thornton Heath from £41,984

Kitchen extensions can make your kitchen the best place in the house. Extending your kitchen to make a kitchen diner or open-plan space can transform the look of your ground floor and increase the value of your home. But how much will it cost? To see prices and availability for your job click green button.

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From £42,048

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 Thornton Heath. No obligation f...

From £43,024

Last active Nov 26
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Buci builders ltd

Robert Buci

Buci builders ltd is a trusted extension builder serving customers in Thornton Heath and the surrounding area. Contact us to today to get a competi...

From £42,144

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 £42,192

Last active Nov 26
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Gb construction

Gani Bush

Gb construction are here to help customers who need an Extension Builder in Thornton Heath. We offer a competitive rate to complete all your exten...

From £43,200

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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 £41,984

Last active Oct 26

2 reviews

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RCB Group Design & Build

Vasi J

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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 £42,040

Last active Oct 26
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PW Construction & Renovation Ltd

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

From £42,344

Last active Oct 26
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Glenn Miller Builders Limited

Glenn Miller

Relax... you have found a reliable extension builder in Thornton Heath. Glenn Miller Builders Limited is a friendly and reliable company based in T...

From £42,336

Last active Sep 26
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PRM BUILDING

Relax... you have found a reliable extension builder in Thornton Heath. PRM BUILDING is a friendly and reliable company based in Thornton Heath who...

From £42,320

Last active Sep 26
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QSA Builders Ltd

QSA Builders Ltd are here to help customers who need an Extension Builder in Thornton Heath. We offer a competitive rate to complete all your exten...

Kitchen Extension Cost in Thornton Heath

Estimates for build a kitchen extension near Thornton Heath

Kitchen extensions in Thornton Heath range from the cheapest of £41,984 (RCB Group Design & Build based in SE21) to the dearest of £43,200 (Banga Decoration based in CR7), but these are just estimates based on our database of hourly and daily rates from tradespeople across the country.

The best way to get an accurate price for your kitchen extension is to get actual quotes. Post your job on HaMuch now and we'll send it to extension builders in Thornton Heath.


Estimates for common extension builder jobs in Thornton 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...