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

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From £22,112

Last active Nov 26
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WDC LTD T/A

Experienced extension builder ready to quote for your work. WDC LTD T/A is the best extension builder in Thundersley. No obligation free quotes and...

From £21,848

Last active Nov 26
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Livinston & Son Ltd

Livinston & Son Ltd are here to help customers who need an Extension Builder in Thundersley. We offer a competitive rate to complete all your exten...

From £22,216

Last active Nov 26
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Fox Conversions Limited

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

From £21,976

Last active Nov 26
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Anglian Preservation

Anglian Preservation is an established and experienced local extension builder in Thundersley. Please contact us for a free, no obligation quote an...

From £22,008

Last active Nov 26
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Thoroughbuild UK Services Ltd

Frederick Head

Over 35 years experience 

We are Gas Safe registered 

We are Verified

We pride ourselves on great custom...

From £22,360

Last active Nov 26
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Ellis & James Builders Limited

Darren Spencer

Need an Extension Builder in Thundersley? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension build...

From £22,128

Last active Oct 26
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GAB Design

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

From £22,176

Last active Sep 26
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Witton & Pearce Builders in Essex

Witton & Pearce Builders in Essex is a trusted extension builder serving customers in Thundersley and the surrounding area. Contact us to today to ...

From £21,456

Last active Sep 26
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Capital Roofing Ltd

Billy Baverstock

Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in Thundersley. No obligation free qu...

From £22,160

Last active Sep 26
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Property Maintenance

Property Maintenance are here to help customers who need an Extension Builder in Thundersley. We offer a competitive rate to complete all your exte...

Flat roof extension cost in Thundersley

Estimates for build a flat roof extension near Thundersley

A flat roof extension ranges from the cheapest of £21,456 (Capital Roofing Ltd based in SS13) to the dearest of £22,360 (Ellis & James Builders Limited based in SS17), 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 Thundersley by posting a job with HaMuch. We'll send it to extension builders in Thundersley.


Estimates for common extension builder jobs in Thundersley;

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...