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

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From £21,920

Rates updated Oct 26
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Lp Townsend Brickwork

Lee Townsend

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

Lp Townsend Brickwork provides a local, trusted extensio...

From £22,408

Last active Nov 26
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Brick House Builders Ltd

Jatinder Kahlon

Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...

From £22,312

Last active Oct 26
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Luxuria Property Ltd

From 2007 – 2015 David Rudelhoff (Founder and Director) was the Property Manager for a high profile, high net worth family. During that time, in ...

From £22,472

Last active Oct 26
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K & J Builders & Decorators

Relax... you have found a reliable extension builder in Egham. K & J Builders & Decorators is a friendly and reliable company based in Egham who co...

From £22,136

Last active Oct 26
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A L King Services

Experienced extension builder ready to quote for your work. A L King Services is the best extension builder in Egham. No obligation free quotes and...

From £22,472

Last active Oct 26
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ASAP Roofing & Exterior Maintenance

ASAP Roofing & Exterior Maintenance is a trusted extension builder serving customers in Egham and the surrounding area. Contact us to today to get ...

From £22,360

Last active Oct 26
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Ani Mokashi

Ani Mokashi is an established and experienced local extension builder in Egham. Please contact us for a free, no obligation quote and competitive r...

From £22,440

Last active Oct 26
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GDC Design & Build

Lead by designer Richard Gordon, GDC is a London and Berkshire based Design & Build firm with a vast amount of experience in both the residential a...

From £21,952

Last active Oct 26
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Dub Solutions

Dub Solutions is a trusted extension builder serving customers in Egham and the surrounding area. Contact us to today to get a competitive quote fo...

From £22,472

Last active Oct 26
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Kendall Construction

Kendall Construction is an established and experienced local extension builder in Egham. Please contact us for a free, no obligation quote and comp...

Flat roof extension cost in Egham

Estimates for build a flat roof extension near Egham

A flat roof extension ranges from the cheapest of £21,920 (Lp Townsend Brickwork based in SL2) to the dearest of £22,472 (K & J Builders & Decorators based in GU19), 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 Egham by posting a job with HaMuch. We'll send it to extension builders in Egham.


Estimates for common extension builder jobs in Egham;

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...