Extend your RM13 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 RM13? To see prices and availability for your job click green button.

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Build a flat roof extension cost in RM13 - Sort by rates or availability

From £22,168

Last active Nov 26
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Sevcan Construction

Relax... you have found a reliable extension builder in RM13. Sevcan Construction is a friendly and reliable company based in RM13 who consider no ...

From £22,064

Last active Oct 26
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Moss Roofing & Sons

Moss Roofing & Sons is an established and experienced local extension builder in RM13. Please contact us for a free, no obligation quote and compet...

From £22,360

Last active Aug 26
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TS Building Works

Need an Extension Builder in RM13? TS Building Works has been helping local clients (10 mile radius) with their extension buildering jobs for many ...

From £22,208

Last active Aug 26
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M T Builders

Trusted and professional extension builder in RM13. Experienced in all extension buildering work and keeping within budget and on quote. M T Builde...

From £22,200

Last active Mar 26
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786 diamond district construction

Mohamed Waheed

We have team that does all trades

From £22,048

Last active Nov 25
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Platinum Contracts

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

From £21,928

Last active Nov 25
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JN Prolux Building Services

Location

Rainham, RM13

Experienced extension builder ready to quote for your work. JN Prolux Building Services is the best extension builder in RM13. No obligation free q...

From £21,960

Last active Nov 25
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L.C.Hills Building & Refurbishment Services

L.C.Hills Building & Refurbishment Services is an established extension buildering business in RM13. We come highly recommended and provide competi...

From £21,928

Last active Nov 25
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Elite Roofing Services

Location

Rainham, RM13

Trusted and professional extension builder in RM13. Experienced in all extension buildering work and keeping within budget and on quote. Elite Roof...

From £22,128

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Global Brickwork Ltd

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

Flat roof extension cost in RM13

Estimates for build a flat roof extension near RM13

A flat roof extension ranges from the cheapest of £21,928 (JN Prolux Building Services based in RM13) to the dearest of £22,360 (TS Building Works based in RM10), 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 RM13 by posting a job with HaMuch. We'll send it to extension builders in RM13.


Estimates for common extension builder jobs in RM13;

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...