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

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From £21,824

Last active Oct 26
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T K O Kitchens & Construction

Homeowners look no further if you want a qualified extension builder to work in your home. T K O Kitchens & Construction are tidy and neat, providi...

From £21,872

Last active Oct 26
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SMH Build & Renovate

SMH Build & Renovate is an established extension buildering business in Bolton. We come highly recommended and provide competitive quotes for your ...

From £21,584

Last active Oct 26
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Amak Construction

Amak Construction is an established and experienced local extension builder in Bolton. Please contact us for a free, no obligation quote and compet...

From £21,888

Last active Oct 26
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Advanced Builders & Roofers

Experienced extension builder ready to quote for your work. Advanced Builders & Roofers is the best extension builder in Bolton. No obligation free...

From £21,792

Last active Sep 26
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DC Contractors

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

DC Contractors provides a local, trusted extension build...

From £21,776

Last active Sep 26
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David Anderson Builders

Relax... you have found a reliable extension builder in Bolton. David Anderson Builders is a friendly and reliable company based in Bolton who cons...

From £21,960

Last active Sep 26
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ESBP Specialists Ltd

Jonathan

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

ESBP Specialists Ltd provides a local, trusted extension...

From £21,896

Last active Sep 26
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J & C Barker (Builders) Limited

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

J & C Barker (Builders) Limited provides a local, truste...

From £21,768

Last active Sep 26
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Wallplas

Wallplas is an established extension buildering business in Bolton. We come highly recommended and provide competitive quotes for your work.

From £21,688

Last active Sep 26
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WWS Garage Doors & Shutters

WWS Garage Doors & Shutters is a trusted extension builder serving customers in Bolton and the surrounding area. Contact us to today to get a compe...

Flat roof extension cost in Bolton

Estimates for build a flat roof extension near Bolton

A flat roof extension ranges from the cheapest of £21,584 (Amak Construction based in BL8) to the dearest of £21,960 (ESBP Specialists Ltd based in M26), 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 Bolton by posting a job with HaMuch. We'll send it to extension builders in Bolton.


Estimates for common extension builder jobs in Bolton;

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...