Trusted and professional extension builder in DL3. Experienced in all extension buildering work and keeping within budget and on quote. D & G Build...
From £88,312
Experienced extension builder ready to quote for your work. pidesigns is the best extension builder in DL3. No obligation free quotes and many happ...

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 | £38 | £225 |
| Two Storey Extension near Stockton-on-Tees | £41 | £228 |
| Two Storey Extension near Bishop Auckland | £38 | £248 |
| Two Storey Extension near Ingleby Barwick | £41 | £228 |
| Two Storey Extension near Thornaby-on-Tees | £42 | £231 |
| Two Storey Extension near Spennymoor | £37 | £249 |
| 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 - £17,484

Two storey extension - £87,976

Build a timber frame extension - £25,984

Build a swimming pool - £80,984

Single storey extension - £54,680

Side return extension - £41,320

Install an RSJ - £2,184

Outbuilding - £9,984

Build a Mansard loft conversion - £51,984

Loft conversion - £33,600

Build a kitchen extension - £41,984

Hip to gable loft conversion - £41,984

Granny annexe - £86,984

Garden office - £9,984

Convert a Garage - £15,984

Garage - £18,484

Build a flat roof extension - £21,984

Build a dormer loft conversion - £41,984

Concrete foundations - £6,234

Convert a bungalow loft - £28,984

Convert a basement - £37,320