Extend your GL4 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 GL4? To see prices and availability for your job click green button.

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From £22,168

Last active Nov 26
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CB Home Improvements, Roofing & Building Solutions

Need to find an Extension Builder near you for all your extension buildering work?

CB Home Improvements, Roofing & Building Solutions provi...

From £21,880

Last active Nov 26
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LA Landscapes

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

From £21,960

Last active Oct 26
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Deadsmooth Plastering & Building Co

Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in GL4 and the surrounding area. Contact us to today to get a ...

From £22,184

Last active Oct 26
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Sunshine Builders Services

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

From £22,000

Last active Sep 26
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L&P Developments Ltd

Lawrence Jones

L&P Developments Ltd is an established and experienced local extension builder in GL4. Please contact us for a free, no obligation quote and compe...

From £22,152

Last active Apr 26
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RSG Construction

Experienced extension builder ready to quote for your work. RSG Construction is the best extension builder in GL4. No obligation free quotes and ma...

From £22,136

Last active Apr 26
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Archway Builders Ltd

Relax... you have found a reliable extension builder in GL4. Archway Builders Ltd is a friendly and reliable company based in GL4 who consider no j...

From £22,224

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G MANN BUILDERS

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

From £21,832

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M CHAPMAN BUILDER

Relax... you have found a reliable extension builder in GL4. M CHAPMAN BUILDER is a friendly and reliable company based in GL4 who consider no job ...

From £21,288

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P J M Building Services

Philip McCoy

my Name is Philip I have over 20years exsperance in the building trade we give a very good and reliable service 

Flat roof extension cost in GL4

Estimates for build a flat roof extension near GL4

A flat roof extension ranges from the cheapest of £21,288 (P J M Building Services based in GL1) to the dearest of £22,224 (G MANN BUILDERS based in GL2), 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 GL4 by posting a job with HaMuch. We'll send it to extension builders in GL4.


Estimates for common extension builder jobs in GL4;

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...