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"Totally unreliable, takes your money and doesn't finish the job." - NORTH EAST,reviewed 04/10/17, L S
Trusted and professional extension builder in DH6. Experienced in all extension buildering work and keeping within budget and on quote. DHB Builder...
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 ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DH6. Please contact us for a free, no obligation quote and co...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DH6 it ranges from £2,008 (DHB Builders based in DH6) to £2,464 (Heritage NE Ltd based in DL17).
Comparing extension builders estimates for fitting an RSJ gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an RSJ in DH6 by posting a job with HaMuch and we will send it to extension builders in DH6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Durham | £47 | £267 |
| Install An RSJ near Peterlee | £36 | £230 |
| Install An RSJ near Seaham | £35 | £235 |
| Install An RSJ near Spennymoor | £37 | £249 |
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Sunderland | £33 | £251 |
| Install An RSJ near Washington | £33 | £254 |
| Install An RSJ near Newton Aycliffe | £38 | £225 |
| Install An RSJ near Bishop Auckland | £38 | £248 |
| Install An RSJ near Hartlepool | £40 | £236 |
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 - £17,481

Two storey extension - £87,971

Build a timber frame extension - £25,981

Build a swimming pool - £80,981

Single storey extension - £54,616

Side return extension - £41,284

Install an RSJ - £2,181

Outbuilding - £9,981

Build a Mansard loft conversion - £51,981

Loft conversion - £33,570

Build a kitchen extension - £41,981

Hip to gable loft conversion - £41,981

Granny annexe - £86,981

Garden office - £9,981

Convert a Garage - £15,981

Garage - £18,481

Build a flat roof extension - £21,981

Build a dormer loft conversion - £41,981

Concrete foundations - £6,231

Convert a bungalow loft - £28,981

Convert a basement - £37,284