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

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From £22,376

Last active Nov 26
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Exquisite Design & Build Ltd

Need an Extension Builder in Bermondsey? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension builderin...

From £22,024

Last active Nov 26
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SH Enterprise

Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...

From £22,192

Last active Oct 26

1 review

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Torrington

Torrington Design

NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...

"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO

From £22,320

Last active Sep 26
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D & G Building & Decorating

Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Bermondsey. No obligation ...

From £22,376

Last active Sep 26
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CK Constructions & Development Ltd

CK Constructions & Development Ltd is a trusted extension builder serving customers in Bermondsey and the surrounding area. Contact us to today to ...

From £21,976

Last active Sep 26
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A to Z Builders Ltd

A to Z Builders Ltd are here to help customers who need an Extension Builder in Bermondsey. We offer a competitive rate to complete all your extens...

From £22,248

Last active Sep 26
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Cornerstones Construction

Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Bermondsey. No obligation fr...

From £21,984

Last active Sep 26
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JK Doors

JK Doors is a trusted extension builder serving customers in Bermondsey and the surrounding area. Contact us to today to get a competitive quote fo...

From £21,928

Last active Sep 26
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GS Fabric Ltd

GS Fabric Ltd is an established and experienced local extension builder in Bermondsey. Please contact us for a free, no obligation quote and compet...

From £22,040

Last active Sep 26
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JM Building Services

JM Building Services is a trusted extension builder serving customers in Bermondsey and the surrounding area. Contact us to today to get a competit...

Flat roof extension cost in Bermondsey

Estimates for build a flat roof extension near Bermondsey

A flat roof extension ranges from the cheapest of £21,928 (GS Fabric Ltd based in E2) to the dearest of £22,376 (Exquisite Design & Build Ltd based in SE16), 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 Bermondsey by posting a job with HaMuch. We'll send it to extension builders in Bermondsey.


Estimates for common extension builder jobs in Bermondsey;

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...