Trusted and professional extension builder in TS18. Experienced in all extension buildering work and keeping within budget and on quote. Empire Bui...
From £2,136
Design Consultancy & Construction Services Ltd are here to help customers who need an Extension Builder in TS18. We offer a competitive rate to com...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TS18 it ranges from £1,944 (Empire Building Contracts based in TS18) to £2,136 (Design Consultancy & Construction Services Ltd based in TS18).
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 TS18 by posting a job with HaMuch and we will send it to extension builders in TS18.
"Removing a structural wall between the kitchen and dining room. We have sent off the structural drawings to building control. We have also specified via 1:10 details a hidden beam detail which sits within the floor void. This would mean cutting the timber joist overhangs and install joist hangers..." - STOCKTON-ON-TEES, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Stockton-on-Tees | £41 | £228 |
| Install An RSJ near Thornaby-on-Tees | £42 | £231 |
| Install An RSJ near Ingleby Barwick | £41 | £228 |
| Install An RSJ near Billingham | £44 | £242 |
| Install An RSJ near Middlesbrough | £43 | £236 |
| Install An RSJ near Eston | £42 | £241 |
| Install An RSJ near Darlington | £60 | £222 |
| Install An RSJ near Redcar & Cleveland | £43 | £254 |
| Install An RSJ near Hartlepool | £40 | £236 |
| Install An RSJ near Redcar | £42 | £240 |
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 - £17,340

Two storey extension - £87,760

Build a timber frame extension - £25,840

Build a swimming pool - £80,840

Single storey extension - £51,800

Side return extension - £39,700

Install an RSJ - £2,040

Outbuilding - £9,840

Build a Mansard loft conversion - £51,840

Loft conversion - £32,250

Build a kitchen extension - £41,840

Hip to gable loft conversion - £41,840

Granny annexe - £86,840

Garden office - £9,840

Convert a Garage - £15,840

Garage - £18,340

Build a flat roof extension - £21,840

Build a dormer loft conversion - £41,840

Concrete foundations - £6,090

Convert a bungalow loft - £28,840

Convert a basement - £35,700