From £2,680
On time/ professional/ time served/trustworthy
From £3,112
Trusted General Builders in Durham From small fixes to full renovations, Radici Construction delivers quality workmanship, clear communication,...
From £2,096
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 £2,304
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in SR2. Please contact us for a free, no obligation quote and co...
From £2,008
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in SR2. Please contact us for a free, no obligation quote...
From £1,240
Member since July 2020
I have over 40 years experience in the field of construction. Thank you and I hope I will be of service to you.
From £1,984
Trusted and professional extension builder in SR2. Experienced in all extension buildering work and keeping within budget and on quote. DGS Propert...
From £2,680
Arrowhead Construction is a trusted extension builder serving customers in SR2 and the surrounding area. Contact us to today to get a competitive q...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SR2 it ranges from £1,240 (OCC Construction based in NE10) 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 SR2 by posting a job with HaMuch and we will send it to extension builders in SR2.
"RSJ installation" - SUNDERLAND, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Seaham | £35 | £235 |
| Install An RSJ near Sunderland | £33 | £251 |
| Install An RSJ near South Tyneside | £34 | £261 |
| Install An RSJ near Washington | £33 | £254 |
| Install An RSJ near Jarrow | £34 | £262 |
| Install An RSJ near South Shields | £36 | £257 |
| Install An RSJ near Hebburn | £34 | £246 |
| Install An RSJ near Peterlee | £36 | £230 |
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Tynemouth | £36 | £257 |
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 - £17,577

Two storey extension - £88,115

Build a timber frame extension - £26,077

Build a swimming pool - £81,077

Single storey extension - £56,536

Side return extension - £42,364

Install an RSJ - £2,277

Outbuilding - £10,077

Build a Mansard loft conversion - £52,077

Loft conversion - £34,470

Build a kitchen extension - £42,077

Hip to gable loft conversion - £42,077

Granny annexe - £87,077

Garden office - £10,077

Convert a Garage - £16,077

Garage - £18,577

Build a flat roof extension - £22,077

Build a dormer loft conversion - £42,077

Concrete foundations - £6,327

Convert a bungalow loft - £29,077

Convert a basement - £38,364