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

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From £22,512

Rates verified Oct 26
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Mandala Building Services

Mandala Building Services is a family-owned design and build maintenance company, encompassing everything from residential refurbishment to large-s...

From £22,112

Last active Nov 26
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JJSR Construction Ltd

J Wijayamohan

JJSR Construction Ltd is an established and experienced local extension builder in West Watford. Please contact us for a free, no obligation quote ...

From £22,464

Last active Oct 26
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AV Home Improvements

In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...

From £22,424

Last active Oct 26
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Sharp Building Ltd

Sharp Building Ltd is an established and experienced local extension builder in West Watford. Please contact us for a free, no obligation quote and...

From £22,024

Last active Oct 26
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Mario Prajar Building Services

Mario Prajar Building Services is an established and experienced local extension builder in West Watford. Please contact us for a free, no obligati...

From £21,880

Last active Oct 26
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MAX CONSTRUCTION LTD

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

MAX CONSTRUCTION LTD provides a local, trusted extension...

From £22,096

Last active Oct 26
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RLC Construction

RLC Construction are here to help customers who need an Extension Builder in West Watford. We offer a competitive rate to complete all your extensi...

From £22,000

Last active Oct 26
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Vital Builders

Vital Builders are here to help customers who need an Extension Builder in West Watford. We offer a competitive rate to complete all your extension...

From £22,344

Last active Oct 26
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C T Edwards

Relax... you have found a reliable extension builder in West Watford. C T Edwards is a friendly and reliable company based in West Watford who cons...

From £22,368

Last active Oct 26
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Building Service and Support Ltd

Relax... you have found a reliable extension builder in West Watford. Building Service and Support Ltd is a friendly and reliable company based in ...

Flat roof extension cost in West Watford

Estimates for build a flat roof extension near West Watford

A flat roof extension ranges from the cheapest of £21,880 (MAX CONSTRUCTION LTD based in HA4) to the dearest of £22,512 (Mandala Building Services based in WD6), 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 West Watford by posting a job with HaMuch. We'll send it to extension builders in West Watford.


Estimates for common extension builder jobs in West Watford;

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...