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

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From £22,120

Rates verified Oct 26
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SDS Constructions

Sean Smithers

Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...

From £23,232

Rates verified Oct 26
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Optimus Build Solutions

Vasile Boghean

Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...

From £22,224

Last active Nov 26
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Gems Building & Maintenance Services

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

From £22,240

Last active Nov 26
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PHOENIX DEVELOPMNTS LONDON LTD

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

From £22,328

Last active Nov 26
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Tony Rutter

Need an Extension Builder in Hornchurch? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many ...

From £22,168

Last active Nov 26
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Sevcan Construction

Relax... you have found a reliable extension builder in Hornchurch. Sevcan Construction is a friendly and reliable company based in Hornchurch who ...

From £22,224

Last active Oct 26
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A Star Construction

Relax... you have found a reliable extension builder in Hornchurch. A Star Construction is a friendly and reliable company based in Hornchurch who ...

From £22,248

Last active Oct 26
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Housemartin Building Services

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

From £22,240

Last active Oct 26
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Q Boss D&B

Q Boss D&B is an established extension buildering business in Hornchurch. We come highly recommended and provide competitive quotes for your work.<...

From £22,048

Last active Oct 26
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KERFIELD BUILDING SERVICES LTD

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

KERFIELD BUILDING SERVICES LTD provides a local, trusted...

Flat roof extension cost in Hornchurch

Estimates for build a flat roof extension near Hornchurch

A flat roof extension ranges from the cheapest of £22,048 (KERFIELD BUILDING SERVICES LTD based in RM11) to the dearest of £23,232 (Optimus Build Solutions based in Rm1), 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 Hornchurch by posting a job with HaMuch. We'll send it to extension builders in Hornchurch.


Estimates for common extension builder jobs in Hornchurch;

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...