Extend your WS11 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 WS11? To see prices and availability for your job click green button.

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From £21,848

Last active Aug 26
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Infinity Property Improvements Limited

Infinity Property Improvements Limited are here to help customers who need an Extension Builder in WS11. We offer a competitive rate to complete al...

From £22,008

Last active Jun 26
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Empire Builders

Empire Builders is an established and experienced local extension builder in WS11. Please contact us for a free, no obligation quote and competitiv...

From £21,752

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C A MILLS BUILDING CONTR LTD

Carl Mills

Need an Extension Builder in WS11? C A MILLS BUILDING CONTR LTD has been helping local clients (20 mile radius) with their extension buildering job...

From £22,096

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RJB BUILDERS

RJB BUILDERS is an established and experienced local extension builder in WS11. Please contact us for a free, no obligation quote and competitive r...

Flat roof extension cost in WS11

Estimates for build a flat roof extension near WS11

A flat roof extension ranges from the cheapest of £21,752 (C A MILLS BUILDING CONTR LTD based in WV11) to the dearest of £22,096 (RJB BUILDERS based in WS124), 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 WS11 by posting a job with HaMuch. We'll send it to extension builders in WS11.


Estimates for common extension builder jobs in WS11;

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...