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

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From £21,544

Last active Sep 26
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A G Hicks Building Services

Alan Hicks

Location

Northampton, NN3

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

A G Hicks Building Services provides a local, trusted ex...

From £21,984

Last active Aug 26
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Picking your Local Builder

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

Picking your Local Builder provides a local, trusted ext...

From £21,904

Last active Aug 26
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THE DEARN BUILDING GROUP LTD

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

THE DEARN BUILDING GROUP LTD provides a local, trusted e...

From £21,960

Last active Aug 26
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Northants Garage Doors

Trusted and professional extension builder in Northampton. Experienced in all extension buildering work and keeping within budget and on quote. Nor...

From £21,600

Last active Aug 26
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M Home Renovations

Location

Northampton, NN3

M Home Renovations is an established extension buildering business in Northampton. We come highly recommended and provide competitive quotes for yo...

From £21,864

Last active Aug 26
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Walsh Builders Ltd

Walsh Builders Ltd is an established and experienced local extension builder in Northampton. Please contact us for a free, no obligation quote and ...

From £21,712

Last active Aug 26
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Twelftree Builders

Need an Extension Builder in Northampton? Twelftree Builders has been helping local clients (20 mile radius) with their extension buildering jobs f...

From £22,192

Last active Aug 26
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Wright Building

Relax... you have found a reliable extension builder in Northampton. Wright Building is a friendly and reliable company based in Northampton who co...

From £21,872

Last active Aug 26
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DAB & K&G Building Services

Location

Northampton, NN1

Need an Extension Builder in Northampton? DAB & K&G Building Services has been helping local clients (20 mile radius) with their extension builderi...

From £22,248

Last active Aug 26
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Samrai Associates Limited

Location

Northampton, NN3

Samrai Associates was founded by Hars Samrai in Northampton in order to provide clients with a prompt and robust Architectural Service. Over time m...

Flat roof extension cost in Northampton

Estimates for build a flat roof extension near Northampton

A flat roof extension ranges from the cheapest of £21,544 (A G Hicks Building Services based in NN3) to the dearest of £22,248 (Samrai Associates Limited based in NN3), 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 Northampton by posting a job with HaMuch. We'll send it to extension builders in Northampton.


Estimates for common extension builder jobs in Northampton;

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...