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

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

From £21,576

Last active Oct 26
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A.B Building Services Ltd

Relax... you have found a reliable extension builder in Liverpool. A.B Building Services Ltd is a friendly and reliable company based in Liverpool ...

From £21,696

Last active Oct 26
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Robuild - Waterwise

Robuild - Waterwise is an established extension buildering business in Liverpool. We come highly recommended and provide competitive quotes for you...

From £21,736

Last active Oct 26
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PK.Builders

Need an Extension Builder in Liverpool? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many y...

From £21,952

Last active Oct 26
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R J Property Maintenance & Repair

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

From £21,392

Last active Oct 26
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SJBuild Ltd

Sean Mooney

SJBuild Ltd is an established and experienced local extension builder in Liverpool. Please contact us for a free, no obligation quote and competiti...

From £21,848

Last active Oct 26
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S.L.P Property Maintenance

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

S.L.P Property Maintenance provides a local, trusted ext...

From £21,952

Last active Oct 26
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DW Brickwork

Trusted and professional extension builder in Liverpool. Experienced in all extension buildering work and keeping within budget and on quote. DW Br...

From £21,744

Last active Oct 26
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G J Builders Wirral

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

From £21,880

Last active Oct 26
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Danny Anderson Builder

Danny Anderson

Danny Anderson Builder is an established extension buildering business in Liverpool. We come highly recommended and provide competitive quotes for ...

From £21,576

Last active Oct 26
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BTC Bernstef Ltd

BTC Bernstef Ltd is an established extension buildering business in Liverpool. We come highly recommended and provide competitive quotes for your w...

Flat roof extension cost in Liverpool

Estimates for build a flat roof extension near Liverpool

A flat roof extension ranges from the cheapest of £21,392 (SJBuild Ltd based in CH63) to the dearest of £21,952 (R J Property Maintenance & Repair based in CH63), 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 Liverpool by posting a job with HaMuch. We'll send it to extension builders in Liverpool.


Estimates for common extension builder jobs in Liverpool;

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...