Extend your SM4 with an extension

A flat roof extension is a great way to add extra space to your home without splashing out on the costs of a pitched roof extension. Often exempt from planning permission rules, you can build a flat roof extension up to 3 metres in height as long as it's not visible from a road. But how much do they cost in SM4? To see prices and availability for your job click green button.

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From £22,176

Rates verified Oct 26
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Self employed

Hamza Elezi

Hight quality of jobs

From £22,128

Last active Oct 26
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J & D Construction

Trusted and professional extension builder in SM4. Experienced in all extension buildering work and keeping within budget and on quote. J & D Const...

From £22,416

Last active Oct 26
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ACE BUILDING CONTRACTORS AND D

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

From £22,504

Last active Oct 26
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CSJ Building Services

Trusted and professional extension builder in SM4. Experienced in all extension buildering work and keeping within budget and on quote. CSJ Buildin...

From £21,936

Last active Oct 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 £22,064

Last active Aug 26
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You Nailed It Ltd

At You Nailed It Ltd we have been fitting bespoke bathrooms since 2008.It is a well-known fact that bathrooms sell houses. They also add a ...

From £22,240

Last active Aug 26
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Flanagan Construction Ltd

Tom Flanagan

Location

Morden, SM4

Very experienced Builder in this area ,Epsom Sutton  Raynes pk Wimbledon areas mostly now on recommendation usually also supply Drawings&a Structu...

From £22,168

Last active Jun 26
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TTG CONSTRUCTION LTD

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

From £22,248

Last active Jun 26
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Racsel Building Services Ltd

Trusted and professional extension builder in SM4. Experienced in all extension buildering work and keeping within budget and on quote. Racsel Buil...

From £22,360

Last active Jun 26
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TRITON BUILDING RESTN LTD

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

Flat roof extension cost in SM4

Estimates for build a flat roof extension near SM4

A flat roof extension ranges from the cheapest of £21,936 (Masters Property Services based in SM5) to the dearest of £22,504 (CSJ Building Services based in SM1), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes. 

Find out how much your flat roof extension will cost in SM4 by posting a job with HaMuch. We'll send it to extension builders in SM4.

"Flat roof extension" - CR44, job posted 01/01/70


Estimates for common extension builder jobs in SM4;

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.

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