From £2,680
On time/ professional/ time served/trustworthy
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 £2,200
Relax... you have found a reliable extension builder in DH9. AA Paving is a friendly and reliable company based in DH9 who consider no job as too b...
From £2,304
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in DH9. Please contact us for a free, no obligation quote and co...
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...
From £2,008
ANDREW HUNTER BUILDING SERVICES is an established and experienced local extension builder in DH9. 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 DH9. Experienced in all extension buildering work and keeping within budget and on quote. DGS Propert...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DH9 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 DH9 by posting a job with HaMuch and we will send it to extension builders in DH9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Stanley | £34 | £242 |
| Install An RSJ near Chester-le-Street | £35 | £242 |
| Install An RSJ near Consett | £33 | £241 |
| Install An RSJ near Gateshead | £33 | £236 |
| Install An RSJ near Washington | £33 | £254 |
| Install An RSJ near Durham | £47 | £267 |
| Install An RSJ near Newcastle Upon Tyne | £33 | £236 |
| Install An RSJ near Sunderland | £33 | £251 |
| Install An RSJ near Hebburn | £34 | £246 |
| Install An RSJ near Longbenton | £34 | £234 |
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 - £17,521

Two storey extension - £88,031

Build a timber frame extension - £26,021

Build a swimming pool - £81,021

Single storey extension - £55,416

Side return extension - £41,734

Install an RSJ - £2,221

Outbuilding - £10,021

Build a Mansard loft conversion - £52,021

Loft conversion - £33,945

Build a kitchen extension - £42,021

Hip to gable loft conversion - £42,021

Granny annexe - £87,021

Garden office - £10,021

Convert a Garage - £16,021

Garage - £18,521

Build a flat roof extension - £22,021

Build a dormer loft conversion - £42,021

Concrete foundations - £6,271

Convert a bungalow loft - £29,021

Convert a basement - £37,734