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

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

From £22,072

Last active Oct 26
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SD Build

Need an Extension Builder in Chatham? SD Build has been helping local clients (10 mile radius) with their extension buildering jobs for many years....

From £22,424

Last active Oct 26
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Des Durant General Building

Please call to discuss your building needs.

From £22,080

Last active Sep 26
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Radar Roofing

We are a family run business with over 30 years experience in the roofing industry. We pride ourselves on our high standards of workmanship and cus...

From £22,328

Last active Aug 26
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Mayfair Developers ltd

Mayfair developers have been in the construction industry for over a decade. Our passion is to transform old spaces into new usable homes for our c...

From £21,968

Last active Aug 26
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MOXOM CONSTRUCTION LTD

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

From £22,200

Last active Aug 26
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SEAN EVANS GENERAL BUILDER

Experienced extension builder ready to quote for your work. SEAN EVANS GENERAL BUILDER is the best extension builder in Chatham. No obligation free...

From £22,200

Last active Aug 26
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Des Durant T/A General Building

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 Aug 26
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M K Builders Medway Ltd

M K Builders Medway Ltd is an established extension buildering business in Chatham. We come highly recommended and provide competitive quotes for y...

From £22,240

Last active Aug 26
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AF Renovations LTD

AF Renovations LTD is an established and experienced local extension builder in Chatham. Please contact us for a free, no obligation quote and comp...

From £22,280

Last active Aug 26
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STABILIS BUILDING SERVICES LTD

STABILIS BUILDING SERVICES LTD is a trusted extension builder serving customers in Chatham and the surrounding area. Contact us to today to get a c...

Flat roof extension cost in Chatham

Estimates for build a flat roof extension near Chatham

A flat roof extension ranges from the cheapest of £21,960 (M K Builders Medway Ltd based in ME4) to the dearest of £22,424 (Des Durant General Building based in ME5), 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 Chatham by posting a job with HaMuch. We'll send it to extension builders in Chatham.


Estimates for common extension builder jobs in Chatham;

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...