From £9,920
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 £9,744
Trusted and professional extension builder in DL10. Experienced in all extension buildering work and keeping within budget and on quote. Empire Bui...
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 £9,720
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 £9,848
Need to find an Extension Builder near you for all your extension buildering work?
Victory Procurement Solutions provides a local, trusted...
From £9,632
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 £9,952
Barlow Construction Limited are here to help customers who need an Extension Builder in DL10. We offer a competitive rate to complete all your exte...
From £9,928
Woodale Construction Nidderdale is an established extension buildering business in DL10. We come highly recommended and provide competitive quotes...
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 ...

Garden offices range from the cheapest of £9,632 (Partek Site Services based in DL2) to the dearest of £9,952 (Barlow Construction Limited based in YO7), but these are only estimates.
The best way to compare costs is to get actual quotes.
Get rates and quotes to build a garden office in DL10 by posting a job with HaMuch. We'll send it to extension builders in DL10.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garden Office near Darlington | £60 | £222 |
| Garden Office near Newton Aycliffe | £39 | £227 |
| Garden Office near Ingleby Barwick | £41 | £228 |
| Garden Office near Bishop Auckland | £39 | £247 |
| Garden Office near Stockton-on-Tees | £41 | £228 |
| Garden Office near Thornaby-on-Tees | £42 | £231 |
| Garden Office near Spennymoor | £38 | £248 |
| Garden Office near Billingham | £44 | £242 |
| Garden Office near Middlesbrough | £43 | £236 |
| Garden Office near Eston | £42 | £241 |
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 - £17,326

Two storey extension - £87,738

Build a timber frame extension - £25,826

Build a swimming pool - £80,826

Single storey extension - £51,512

Side return extension - £39,538

Install an RSJ - £2,026

Outbuilding - £9,826

Build a Mansard loft conversion - £51,826

Loft conversion - £32,115

Build a kitchen extension - £41,826

Hip to gable loft conversion - £41,826

Granny annexe - £86,826

Garden office - £9,826

Convert a Garage - £15,826

Garage - £18,326

Build a flat roof extension - £21,826

Build a dormer loft conversion - £41,826

Concrete foundations - £6,076

Convert a bungalow loft - £28,826

Convert a basement - £35,538