Trusted and professional extension builder in Darlington. Experienced in all extension buildering work and keeping within budget and on quote. D & ...
Relax... you have found a reliable extension builder in Darlington. Under Pressure is a friendly and reliable company based in Darlington who consi...
From £87,772
Need to find an Extension Builder near you for all your extension buildering work?
ANWEN CONSTRUCTION provides a local, trusted extension b...
From £88,312
Experienced extension builder ready to quote for your work. pidesigns is the best extension builder in Darlington. No obligation free quotes and ma...

Costs range from £87,640 (D & G Builders based in DL3) to £88,312 (Pidesigns based in DL1), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Darlington | £60 | £222 |
| Two Storey Extension near Newton Aycliffe | £39 | £227 |
| Two Storey Extension near Stockton-on-Tees | £41 | £228 |
| Two Storey Extension near Ingleby Barwick | £41 | £228 |
| Two Storey Extension near Thornaby-on-Tees | £42 | £231 |
| Two Storey Extension near Bishop Auckland | £39 | £247 |
| Two Storey Extension near Spennymoor | £38 | £248 |
| Two Storey Extension near Billingham | £44 | £242 |
| Two Storey Extension near Middlesbrough | £43 | £236 |
| Two Storey 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