Trusted and professional extension builder in Darlington West. Experienced in all extension buildering work and keeping within budget and on quote....
Relax... you have found a reliable extension builder in Darlington West. Under Pressure is a friendly and reliable company based in Darlington West...
From £21,848
Need to find an Extension Builder near you for all your extension buildering work?
ANWEN CONSTRUCTION provides a local, trusted extension b...
From £22,208
Experienced extension builder ready to quote for your work. pidesigns is the best extension builder in Darlington West. No obligation free quotes a...

A flat roof extension ranges from the cheapest of £21,760 (D & G Builders based in DL3) to the dearest of £22,208 (Pidesigns based in DL1), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in Darlington West by posting a job with HaMuch. We'll send it to extension builders in Darlington West.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Darlington | £60 | £222 |
| Build A Flat Roof Extension near Newton Aycliffe | £38 | £225 |
| Build A Flat Roof Extension near Stockton-on-Tees | £41 | £228 |
| Build A Flat Roof Extension near Bishop Auckland | £38 | £248 |
| Build A Flat Roof Extension near Ingleby Barwick | £41 | £228 |
| Build A Flat Roof Extension near Thornaby-on-Tees | £42 | £231 |
| Build A Flat Roof Extension near Spennymoor | £37 | £249 |
| Build A Flat Roof Extension near Billingham | £44 | £242 |
| Build A Flat Roof Extension near Middlesbrough | £43 | £236 |
| Build A Flat Roof Extension 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 - £17,424

Two storey extension - £87,886

Build a timber frame extension - £25,924

Build a swimming pool - £80,924

Single storey extension - £53,480

Side return extension - £40,645

Install an RSJ - £2,124

Outbuilding - £9,924

Build a Mansard loft conversion - £51,924

Loft conversion - £33,038

Build a kitchen extension - £41,924

Hip to gable loft conversion - £41,924

Granny annexe - £86,924

Garden office - £9,924

Convert a Garage - £15,924

Garage - £18,424

Build a flat roof extension - £21,924

Build a dormer loft conversion - £41,924

Concrete foundations - £6,174

Convert a bungalow loft - £28,924

Convert a basement - £36,645