From £87,844
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
2 reviews
From £88,396
30 years experience In building . Plastering and colour renders
"Totally unreliable, takes your money and doesn't finish the job." - NORTH EAST,reviewed 04/10/17, L S
From £87,640
Trusted and professional extension builder in DL1. Experienced in all extension buildering work and keeping within budget and on quote. D & G Build...
From £88,156
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DL1. Please contact us for a free, no obligation quote and co...
From £87,616
Trusted and professional extension builder in DL1. Experienced in all extension buildering work and keeping within budget and on quote. Empire Buil...
From £89,368
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £87,880
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,292
Experienced extension builder ready to quote for your work. KIETH GRAY ROOFING & BUILDING is the best extension builder in DL1. No obligation free ...
From £87,712
Trusted and professional extension builder in DL1. Experienced in all extension buildering work and keeping within budget and on quote. DHB Builder...

Costs range from £87,292 (KIETH GRAY ROOFING & BUILDING based in TS24) to £89,368 (Radici Construction North East Ltd based in DH1), 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 Billingham | £44 | £242 |
| Two Storey Extension near Spennymoor | £38 | £248 |
| 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 - £17,494

Two storey extension - £87,990

Build a timber frame extension - £25,994

Build a swimming pool - £80,994

Single storey extension - £54,872

Side return extension - £41,428

Install an RSJ - £2,194

Outbuilding - £9,994

Build a Mansard loft conversion - £51,994

Loft conversion - £33,690

Build a kitchen extension - £41,994

Hip to gable loft conversion - £41,994

Granny annexe - £86,994

Garden office - £9,994

Convert a Garage - £15,994

Garage - £18,494

Build a flat roof extension - £21,994

Build a dormer loft conversion - £41,994

Concrete foundations - £6,244

Convert a bungalow loft - £28,994

Convert a basement - £37,428