From £2,496
Need an Extension Builder in Newtown St Boswells? H&D CONSTRUCTION has been helping local clients (20 mile radius) with their extension buildering ...
From £2,008
Experienced extension builder ready to quote for your work. RICHARD LYNN LTD is the best extension builder in Newtown St Boswells. No obligation fr...
From £3,064
Family run business established since 2004
large or small we build them all
From £2,136
Trusted and professional extension builder in Newtown St Boswells. Experienced in all extension buildering work and keeping within budget and on qu...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Newtown St Boswells it ranges from £2,008 (RICHARD LYNN LTD based in TD9) to £3,064 (D C BUILDING SERVICES based in TD9).
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 Newtown St Boswells by posting a job with HaMuch and we will send it to extension builders in Newtown St Boswells.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Scottish Borders | £35 | £287 |
| Install An RSJ near Dalkeith | £35 | £256 |
| Install An RSJ near Bonnyrigg | £37 | £263 |
| Install An RSJ near Haddington | £35 | £255 |
| Install An RSJ near Penicuik | £36 | £264 |
| Install An RSJ near Musselburgh | £36 | £262 |
| Install An RSJ near Edinburgh | £36 | £263 |
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 - £17,727

Two storey extension - £88,341

Build a timber frame extension - £26,227

Build a swimming pool - £81,227

Single storey extension - £59,544

Side return extension - £44,056

Install an RSJ - £2,427

Outbuilding - £10,227

Build a Mansard loft conversion - £52,227

Loft conversion - £35,880

Build a kitchen extension - £42,227

Hip to gable loft conversion - £42,227

Granny annexe - £87,227

Garden office - £10,227

Convert a Garage - £16,227

Garage - £18,727

Build a flat roof extension - £22,227

Build a dormer loft conversion - £42,227

Concrete foundations - £6,477

Convert a bungalow loft - £29,227

Convert a basement - £40,056