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

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From £22,800

Rates updated Oct 26
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GDW Construction

Relax... you have found a reliable extension builder in Thames Ditton. GDW Construction is a friendly and reliable company based in Thames Ditton w...

From £22,800

Rates updated Oct 26
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OAK HOUSE BESPOKE BUILDERS

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

OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...

From £22,176

Rates verified Oct 26
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Self employed

Hamza Elezi

Hight quality of jobs

From £22,200

Last active Nov 26
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CW BUILDING SERVICES

Experienced extension builder ready to quote for your work. CW BUILDING SERVICES is the best extension builder in Thames Ditton. No obligation free...

From £22,416

Last active Nov 26
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Andy Harris Construction

Andy Harris

Andy Harris Construction is an established and experienced local extension builder in Thames Ditton. Please contact us for a free, no obligation qu...

From £22,160

Last active Nov 26
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AVIB City Construction Ltd

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

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 £22,248

Last active Oct 26
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Slick Construction Ltd

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

Slick Construction Ltd provides a local, trusted extensi...

From £22,208

Last active Oct 26
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Building Vision London Ltd

Building Vision London Ltd is a trusted extension builder serving customers in Thames Ditton and the surrounding area. Contact us to today to get a...

From £22,256

Last active Oct 26
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Red Box Maintenance Ltd

Red Box are a Fulham-based building and decorating business who work in West and Southwest London, and who specialise in fine interior renovations,...

Flat roof extension cost in Thames Ditton

Estimates for build a flat roof extension near Thames Ditton

A flat roof extension ranges from the cheapest of £22,160 (AVIB City Construction Ltd based in SW19) to the dearest of £22,800 (GDW Construction based in SM3), 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 Thames Ditton by posting a job with HaMuch. We'll send it to extension builders in Thames Ditton.


Estimates for common extension builder jobs in Thames Ditton;

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...