Loft conversions in Walton-on-thames from £32,775

Range from the cheapest Loft conversion £32,775 (Tota Builders based in TW2) to the dearest Loft conversion £41,250 (OAK HOUSE BESPOKE BUILDERS based in KT9). To see prices and availability for your job click green button.

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From £41,250

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 £37,575

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 £36,075

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 £36,675

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 £37,650

Last active Oct 26
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TFC Construction

Trusted and professional extension builder in Walton-on-thames. Experienced in all extension buildering work and keeping within budget and on quote...

From £35,175

Last active Oct 26
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Hawaii Ltd

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

From £35,850

Last active Oct 26
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Image Design & Consultants

Image Design & Consultants is a trusted extension builder serving customers in Walton-on-thames and the surrounding area. Contact us to today to ge...

From £32,775

Last active Oct 26
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Tota Builders

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

From £33,525

Last active Oct 26
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R & R Roofing Guildford

Russell Worcester

R & R Roofing Guildford are here to help customers who need an Extension Builder in Walton-on-thames. We offer a competitive rate to complete all y...

From £34,200

Last active Oct 26
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Chim Me Sweep Chim Me Build

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

Chim Me Sweep Chim Me Build provides a local, trusted ex...

Cheapest builders for loft conversion in Walton-on-thames

Estimates for loft conversion near Walton-on-thames

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.

What to do - Get rates and quotes for the cost of a loft conversion in Walton-on-thames by posting your job to extension builders in Walton-on-thames.

"Loft conversion of a small 3 bed end of terrace. Currently gang nail truss. Ending up with 3 velux to the front and a pitched dormer to the rear. Architect and engineer plans available." - WEST MOLESEY, job posted 09/08/25

"Back extension" - KT9, job posted 03/07/26


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Estimates for common extension builder jobs in Walton-on-thames;

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...