Extend your DT9 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 DT9? To see prices and availability for your job click Get quotes.

HaMuch is Excellent

Build a flat roof extension cost in DT9 - Sort by rates or availability

From £22,400

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Ed Bartlett Building Contractor

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

From £22,160

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Morris Concrete Designs

Need an Extension Builder in DT9? Morris Concrete Designs has been helping local clients (20 mile radius) with their extension buildering jobs for ...

Flat roof extension cost in DT9

Estimates for build a flat roof extension near DT9

A flat roof extension ranges from the cheapest of £22,160 (Morris Concrete Designs based in DT9) to the dearest of £22,400 (Ed Bartlett Building Contractor based in DT9), 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 DT9 by posting a job with HaMuch. We'll send it to extension builders in DT9.


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Estimates for common extension builder jobs in DT9;

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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