Loft conversions in Sunbury-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.

HaMuch is Excellent

How HaMuch saves you money

Post your job for free

Post your job for free

We send your job to ALL Sunbury-on-thames extension builders

Compare quotes

Compare quotes

Available extension builders in Sunbury-on-thames reply

Save Money

Save Money

Select your affordable Sunbury-on-thames extension builder

Post your job

From £41,250

Rates updated Oct 26
Get quotes

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
Get quotes

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
Get quotes

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
Get quotes

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 £37,875

Last active Oct 26
Get quotes

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 £36,675

Last active Oct 26
Get quotes

T M Builder

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

From £37,650

Last active Oct 26
Get quotes

TFC Construction

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

From £35,175

Last active Oct 26
Get quotes

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
Get quotes

Image Design & Consultants

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

From £32,775

Last active Oct 26
Get quotes

Tota Builders

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

Cheapest builders for loft conversion in Sunbury-on-thames

Estimates for loft conversion near Sunbury-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 Sunbury-on-thames by posting your job to extension builders in Sunbury-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

"Loft conversion" - TW14, job posted 05/07/25


Get extension builder rates instantly

Estimates for common extension builder jobs in Sunbury-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...