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"Totally unreliable, takes your money and doesn't finish the job." - NORTH EAST,reviewed 04/10/17, L S
DHB Builders
Trusted and professional extension builder in DH6. Experienced in all extension buildering work and keeping within budget and on quote. DHB Builder...
"Two storey extension" - DH1, job posted 27/01/26
LJP Roofing
LJP Roofing are here to help customers who need an Extension Builder in DH6. We offer a competitive rate to complete all your extension buildering ...
"Two storey extension" - DURHAM, job posted 27/05/25
P J N Builders
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Single storey extension" - DURHAM, job posted 04/05/25
RAINTON CONSTRUCTION LTD
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DH6. Please contact us for a free, no obligation quote and co...
"Hi I was hoping to get a quote for the renovation of an entire house. It’s about 60 years old. I would need: 1. potential plastering of walls, r 2. removal of an existing kitchen & fitting of new 3. Removal of 1 bathroom & fitting of 2 4. garage conversion 5. flooring & carpet, ..." - DH1, job posted 05/09/24
Compare DH6 extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Durham | £47 | £267 |
| Extension Builders near Peterlee | £36 | £230 |
| Extension Builders near Seaham | £35 | £235 |
| Extension Builders near Spennymoor | £37 | £249 |
| Extension Builders near Chester-le-Street | £35 | £242 |
| Extension Builders near Sunderland | £33 | £251 |
| Extension Builders near Washington | £33 | £254 |
| Extension Builders near Newton Aycliffe | £38 | £225 |
| Extension Builders near Bishop Auckland | £38 | £248 |
| Extension Builders near Hartlepool | £40 | £236 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,984

Garden office - £9,984

Granny annexe - £86,984

Build a flat roof extension - £21,984

Convert a Garage - £15,984

Hip to gable loft conversion - £41,984

Convert a bungalow loft - £28,984

Build a dormer loft conversion - £41,984

Build a swimming pool - £80,984

Build a Mansard loft conversion - £51,984

Concrete foundations - £6,234

Underpin a building - £17,484

Two storey extension - £87,976

Convert a basement - £37,320

Side return extension - £41,320

Loft conversion - £33,600

Garage - £18,484

Single storey extension - £54,680

Outbuilding - £9,984

Install an RSJ - £2,184

Build a kitchen extension - £41,984
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