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

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From £21,976

Last active Nov 26
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Nathan Thomas Plumbing

Nathan Thomas

Nathan Thomas Plumbing is an established extension buildering business in Halton. We come highly recommended and provide competitive quotes for you...

From £21,872

Last active Nov 26
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G. Finnigan Builders

G. Finnigan Builders is an established extension buildering business in Halton. We come highly recommended and provide competitive quotes for your ...

From £21,992

Last active Nov 26
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J.T.Construction

J.T.Construction is a trusted extension builder serving customers in Halton and the surrounding area. Contact us to today to get a competitive quot...

From £21,672

Last active Nov 26
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Fixit Cheshire

Fixit Cheshire is an established and experienced local extension builder in Halton. Please contact us for a free, no obligation quote and competiti...

From £21,720

Last active Nov 26
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JOHN ROSS BUILDERS LTD

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

JOHN ROSS BUILDERS LTD provides a local, trusted extensi...

From £21,824

Last active Nov 26
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Warrington Builders

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

From £21,664

Last active Nov 26
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KMC Brickwork

Need an Extension Builder in Halton? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ye...

From £21,608

Last active Nov 26
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M L R Building Services

Mark Robinson

Trusted and professional extension builder in Halton. Experienced in all extension buildering work and keeping within budget and on quote. M L R Bu...

From £21,608

Last active Oct 26
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R A C Gas

Richie Crawley

Relax... you have found a reliable extension builder in Halton. R A C Gas is a friendly and reliable company based in Halton who consider no job as...

From £21,736

Last active Jul 26
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R Sargeant

Relax... you have found a reliable extension builder in Halton. R Sargeant is a friendly and reliable company based in Halton who consider no job a...

Flat roof extension cost in Halton

Estimates for build a flat roof extension near Halton

A flat roof extension ranges from the cheapest of £21,608 (M L R Building Services based in WA11) to the dearest of £21,992 (J.T.Construction based in WA5), 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 Halton by posting a job with HaMuch. We'll send it to extension builders in Halton.


Estimates for common extension builder jobs in Halton;

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...