Extend your North Cheam 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 North Cheam? To see prices and availability for your job click green button.

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From £22,800

Rates updated Oct 26
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GDW Construction

Relax... you have found a reliable extension builder in North Cheam. GDW Construction is a friendly and reliable company based in North Cheam who c...

From £22,176

Rates verified Oct 26
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Self employed

Hamza Elezi

Hight quality of jobs

From £22,080

Last active Oct 26
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D & R Roofing & Loft Conversions, Building & Design

Relax... you have found a reliable extension builder in North Cheam. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable...

From £21,936

Last active Oct 26
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D A P CONSTRUCTION

David Phelan

Please visit our web site.  Www. Dapconstruction. Co . Uk to c all our work and client recommendations.

From £22,288

Last active Oct 26
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Hilton building contractors ltd

Hilton building contractors ltd is a trusted extension builder serving customers in North Cheam and the surrounding area. Contact us to today to ge...

From £22,000

Last active Oct 26
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Ascent Builders

Mick Winn

All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...

From £22,128

Last active Oct 26
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Refine Property Maintenance Ltd

Our building services company Refine Property Maintenance Ltd was established in 2020. Since then we have been helping customers in and around Epso...

From £22,184

Last active Oct 26
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Amazing Space Design and Build Ltd.

Relax... you have found a reliable extension builder in North Cheam. Amazing Space Design and Build Ltd. is a friendly and reliable company based i...

From £22,264

Last active Oct 26
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RM Sanwell Roofing

RM Sanwell Roofing is a trusted extension builder serving customers in North Cheam and the surrounding area. Contact us to today to get a competiti...

From £22,504

Last active Oct 26
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CSJ Building Services

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

Flat roof extension cost in North Cheam

Estimates for build a flat roof extension near North Cheam

A flat roof extension ranges from the cheapest of £21,936 (D A P CONSTRUCTION based in KT4) to the dearest of £22,800 (GDW Construction based in SM3), 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 North Cheam by posting a job with HaMuch. We'll send it to extension builders in North Cheam.


Estimates for common extension builder jobs in North Cheam;

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...