From £9,640
Lee Construction (LDG) Ltd is a trusted extension builder serving customers in DL10 and the surrounding area. Contact us to today to get a competit...
From £9,848
Need to find an Extension Builder near you for all your extension buildering work?
Victory Procurement Solutions provides a local, trusted...
From £9,728
GURKHA CONSTRUCTION SVCS LTD is a trusted extension builder serving customers in DL10 and the surrounding area. Contact us to today to get a compet...
From £9,632
Partek Site Services is an established and experienced local extension builder in DL10. Please contact us for a free, no obligation quote and compe...
From £9,760
Trusted and professional extension builder in DL10. Experienced in all extension buildering work and keeping within budget and on quote. D & G Buil...
From £9,720
S & K Windows are here to help customers who need an Extension Builder in DL10. We offer a competitive rate to complete all your extension builderi...
From £10,208
Experienced extension builder ready to quote for your work. pidesigns is the best extension builder in DL10. No obligation free quotes and many hap...
From £9,872
Hi I'm darren
I'm a fully qualified time served joiner I have been doing it for 30 years and have been self employed for 12 years ...
From £9,880
Relax... you have found a reliable extension builder in DL10. Under Pressure is a friendly and reliable company based in DL10 who consider no job a...
From £9,792
Relax... you have found a reliable extension builder in DL10. Darlington Building Services is a friendly and reliable company based in DL10 who con...

Outbuilding costs in DL10 range from the cheapest of £9,632 (Partek Site Services based in DL2) to the dearest of £10,208 (Pidesigns based in DL1), 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 DL10 by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Darlington | £53 | £194 |
| Outbuilding near Newton Aycliffe | £34 | £200 |
| Outbuilding near Ingleby Barwick | £36 | £202 |
| Outbuilding near Bishop Auckland | £34 | £218 |
| Outbuilding near Stockton-on-Tees | £35 | £201 |
| Outbuilding near Thornaby-on-Tees | £36 | £202 |
| Outbuilding near Spennymoor | £33 | £220 |
| Outbuilding near Billingham | £37 | £208 |
| Outbuilding near Middlesbrough | £36 | £202 |
| Outbuilding near Eston | £35 | £215 |
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.

Underpin a building - £17,308

Two storey extension - £87,712

Build a timber frame extension - £25,808

Build a swimming pool - £80,808

Single storey extension - £51,160

Side return extension - £39,340

Install an RSJ - £2,008

Outbuilding - £9,808

Build a Mansard loft conversion - £51,808

Loft conversion - £31,950

Build a kitchen extension - £41,808

Hip to gable loft conversion - £41,808

Granny annexe - £86,808

Garden office - £9,808

Convert a Garage - £15,808

Garage - £18,308

Build a flat roof extension - £21,808

Build a dormer loft conversion - £41,808

Concrete foundations - £6,058

Convert a bungalow loft - £28,808

Convert a basement - £35,340