Add an outbuilding to your property in TW20 from £10,056

Outbuildings are the perfect way to add extra space to your property when you need a bit of quiet from the main house. Whether it's for a garden office, gym or workshop, an outbuilding can add value to your home and increase your quality of life.

Need help with a job?

HaMuch is Excellent

Outbuilding cost in TW20

Keay Roofing Services Ltd

From £10,216

Location

, TW20

Need an Extension Builder in TW20? Keay Roofing Services Ltd has been helping local clients (10 mile radius) with their extension buildering jobs f...

EGPM LTD

From £10,160

EGPM LTD are here to help customers who need an Extension Builder in TW20. We offer a competitive rate to complete all your extension buildering jo...

Kandy Build and Construction Ltd

From £10,464

Location

Egham, TW20

Kandy Build and Construction Ltd is an established extension buildering business in TW20. We come highly recommended and provide competitive quotes...

ALPHA OMEGA BUILD LTD

From £10,432

ALPHA OMEGA BUILD LTD are here to help customers who need an Extension Builder in TW20. We offer a competitive rate to complete all your extension ...

Luxuria Property Ltd

From £10,312

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

Deep Builders Ltd

From £10,056

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

Deep Builders Ltd

From £10,096

We have over 15 years of experience in the building trade. We are a small family run business and pride ourselves on our exceptional customer servi...

ABCXYZ

From £10,232

Need an Extension Builder in TW20? ABCXYZ has been helping local clients (10 mile radius) with their extension buildering jobs for many years. Get ...

GDC Design & Build

From £10,256

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

GDC Design & Build

From £10,440

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...

Outbuilding cost in TW20

Estimates for outbuilding near TW20

Outbuilding costs in TW20 range from the cheapest of £10,056 (Deep Builders Ltd based in TW18) to the dearest of £10,464 (Kandy Build and Construction Ltd based in TW20), but these are just estimates.

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

Get rates and quotes to build an outbuilding in TW20 by posting a job with HaMuch and we will send it to extension builders.

"Outbuilding" - STAINES-UPON-THAMES, job posted 08/06/25


Get extension builder rates instantly

Estimates for common extension builder jobs in TW20;

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...