Add an outbuilding to your property in SG5 from £9,936

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.

Outbuilding cost in SG5 - Sort by rates or availability

Space Above Limited

From £10,232

(last active 23/09/26)

If you are looking for a SG5 extension builder and you need something replaced, fitted, or fixed, contact Space Above Limited today. We are competi...

RS Plumbing and Heating

From £10,248

(last active 21/09/26)

RS Plumbing and Heating is a trusted extension builder serving customers in SG5 and the surrounding area. Contact us to today to get a competitive ...

Bench Mark Construction

From £10,448

(last active 21/09/26)

Relax... you have found a reliable extension builder in SG5. Bench Mark Construction is a friendly and reliable company based in SG5 who consider n...

A M Interiors

From £10,808

(last active 21/09/26)

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

A M Interiors provides a local, trusted extension builde...

EB Construction & Building Ltd

From £10,000

Member since July 2020

EB Construction & Building Ltd are here to help customers who need an Extension Builder in SG5. We offer a competitive rate to complete all your ex...

Peter's Gutters

From £10,344

(last active 20/09/26)

Trusted and professional extension builder in SG5. Experienced in all extension buildering work and keeping within budget and on quote. Peter's Gut...

Bacan's cleaning painting and decorating

From £9,936

(last active 19/09/26)

Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..

Greystone Roofing & Building

From £10,320

(last active 01/09/26)

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

A J S Building Work

From £10,224

(last active 31/08/26)

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

Go-Large Design & Build Ltd

From £10,088

(last active 31/08/26)

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

Go-Large Design & Build Ltd provides a local, trusted ex...

Outbuilding cost in SG5

Estimates for outbuilding near SG5

Outbuilding costs in SG5 range from the cheapest of £9,936 (Bacan's cleaning painting and decorating based in LU1) to the dearest of £10,808 (A M Interiors based in MK42), 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 SG5 by posting a job with HaMuch and we will send it to extension builders.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Outbuilding near Letchworth£44£283
Outbuilding near North Hertfordshire£44£283
Outbuilding near Hitchin£43£283
Outbuilding near Stevenage£44£282
Outbuilding near Biggleswade£41£268
Outbuilding near Mid Bedfordshire£42£276
Outbuilding near Luton£41£278
Outbuilding near Ampthill£38£258
Outbuilding near Harpenden£86£315
Outbuilding near East Hertfordshire£44£289

Estimates for common extension builder jobs in SG5;

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...