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

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From £21,920

Rates updated Oct 26
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M&C JOINERS

Mark Munro

We aim to provide quality workmanship on every job that will exceed your expectations. Our quotes are reasonable and competitive and we guarantee t...

From £21,800

Last active Oct 26
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CAMS Construction

Relax... you have found a reliable extension builder in Grangemouth. CAMS Construction is a friendly and reliable company based in Grangemouth who ...

From £22,312

Last active Oct 26
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Good Foundations

Relax... you have found a reliable extension builder in Grangemouth. Good Foundations is a friendly and reliable company based in Grangemouth who c...

From £22,016

Last active Oct 26
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Robert Watt Builders

Robert Watt Builders is an established and experienced local extension builder in Grangemouth. Please contact us for a free, no obligation quote an...

From £22,256

Last active Oct 26
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COMPLETE BUILDING SERVICES

Trusted and professional extension builder in Grangemouth. Experienced in all extension buildering work and keeping within budget and on quote. COM...

From £21,952

Last active Oct 26
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DW Builders

DW Builders is an established and experienced local extension builder in Grangemouth. Please contact us for a free, no obligation quote and competi...

From £21,752

Last active Oct 26
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RHM BUILDERS

RHM BUILDERS are here to help customers who need an Extension Builder in Grangemouth. We offer a competitive rate to complete all your extension bu...

From £21,888

Last active Oct 26
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Keyworks (Scotland) Ltd

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

From £21,952

Last active Oct 26
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JLC BUILDERS

JLC BUILDERS are here to help customers who need an Extension Builder in Grangemouth. We offer a competitive rate to complete all your extension bu...

From £21,744

Last active Sep 26
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DAVID J BELL BUILDER

DAVID J BELL BUILDER are here to help customers who need an Extension Builder in Grangemouth. We offer a competitive rate to complete all your exte...

Flat roof extension cost in Grangemouth

Estimates for build a flat roof extension near Grangemouth

A flat roof extension ranges from the cheapest of £21,744 (DAVID J BELL BUILDER based in EH48) to the dearest of £22,312 (Good Foundations based in EH51), 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 Grangemouth by posting a job with HaMuch. We'll send it to extension builders in Grangemouth.


Estimates for common extension builder jobs in Grangemouth;

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...