From £3,112
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £2,120
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
2 reviews
From £2,464
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 £1,960
Trusted and professional extension builder in DL13. Experienced in all extension buildering work and keeping within budget and on quote. D & G Buil...
From £2,304
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DL13. Please contact us for a free, no obligation quote and c...
From £2,408
Need an Extension Builder in DL13? ANDERSON & METCALF BUILDERS has been helping local clients (20 mile radius) with their extension buildering jobs...
From £2,104
WILKINSON BUILDERS is a trusted extension builder serving customers in DL13 and the surrounding area. Contact us to today to get a competitive quot...
From £1,832
Partek Site Services is an established and experienced local extension builder in DL13. Please contact us for a free, no obligation quote and compe...
From £2,096
S & A W Joinery & Construction is a trusted extension builder serving customers in DL13 and the surrounding area. Contact us to today to get a comp...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DL13 it ranges from £1,832 (Partek Site Services based in DL2) to £3,112 (Radici Construction North East Ltd based in DH1).
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 DL13 by posting a job with HaMuch and we will send it to extension builders in DL13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Consett | £33 | £241 |
| Install An RSJ near Bishop Auckland | £39 | £247 |
| Install An RSJ near Spennymoor | £38 | £248 |
| Install An RSJ near Stanley | £34 | £242 |
| Install An RSJ near Durham | £47 | £267 |
| Install An RSJ near Newton Aycliffe | £39 | £227 |
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Darlington | £60 | £222 |
| Install An RSJ near Washington | £33 | £254 |
| Install An RSJ near Gateshead | £33 | £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 - £17,560

Two storey extension - £88,090

Build a timber frame extension - £26,060

Build a swimming pool - £81,060

Single storey extension - £56,200

Side return extension - £42,175

Install an RSJ - £2,260

Outbuilding - £10,060

Build a Mansard loft conversion - £52,060

Loft conversion - £34,313

Build a kitchen extension - £42,060

Hip to gable loft conversion - £42,060

Granny annexe - £87,060

Garden office - £10,060

Convert a Garage - £16,060

Garage - £18,560

Build a flat roof extension - £22,060

Build a dormer loft conversion - £42,060

Concrete foundations - £6,310

Convert a bungalow loft - £29,060

Convert a basement - £38,175