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

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From £22,560

Last active Oct 26
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Rafix Building

Rafal Szczepanski

Our homes need to be regularly maintained and from time to time they need to be rejuvenated, modernised and enhanced. When it comes to building wor...

From £22,376

Last active Oct 26
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WT Construction Service Ltd

Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...

From £21,944

Last active Oct 26
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New Finishes

New Finishes is a trusted extension builder serving customers in Cockfosters and the surrounding area. Contact us to today to get a competitive quo...

From £22,376

Last active Oct 26
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Pavillion Building Services

Location

Cockfosters, EN4

Relax... you have found a reliable extension builder in Cockfosters. Pavillion Building Services is a friendly and reliable company based in Cockfo...

From £22,208

Last active Oct 26
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Homeland Building Ltd

Homeland Building Ltd is a trusted extension builder serving customers in Cockfosters and the surrounding area. Contact us to today to get a compet...

From £22,056

Last active Oct 26
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Wittick Building Ltd

Location

Cockfosters, EN4

Wittick Building Ltd is a trusted extension builder serving customers in Cockfosters and the surrounding area. Contact us to today to get a competi...

From £22,208

Last active Sep 26
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Roni Lofts Conversions Ltd

Need an Extension Builder in Cockfosters? Roni Lofts Conversions Ltd has been helping local clients (10 mile radius) with their extension builderin...

From £21,320

Last active Aug 26
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Onyx Iv

Ivaylo Shkodrov

Extremely reliable service . Flexibility, correct, listening customer.  Wide experience.  

From £21,928

Last active Aug 26
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Raf's Building Service

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

Raf's Building Service provides a local, trusted extensi...

From £22,432

Last active Aug 26
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Odp Builders

Need an Extension Builder in Cockfosters? Odp Builders has been helping local clients (5 mile radius) with their extension buildering jobs for many...

Flat roof extension cost in Cockfosters

Estimates for build a flat roof extension near Cockfosters

A flat roof extension ranges from the cheapest of £21,320 (Onyx Iv based in N11) to the dearest of £22,560 (Rafix Building based in EN4), 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 Cockfosters by posting a job with HaMuch. We'll send it to extension builders in Cockfosters.


Estimates for common extension builder jobs in Cockfosters;

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...