From £2,456
We are a family business with over 30 years of knowledge and experience ranging from small domestic jobs to large projects which include renovation...
From £3,056
Welcome to Travelling Workshop LimitedIn our world of craftsmanship and dedication to you the customer. I'm Dmytro Kliuchnyk, and before the co...
From £2,304
Experienced extension builder ready to quote for your work. Brian McPhillips Limited is the best extension builder in Portobello. No obligation fre...
From £2,416
BLOCKBUILD DEVELOPMENTS LTD is an established and experienced local extension builder in Portobello. Please contact us for a free, no obligation qu...
From £2,136
Trusted and professional extension builder in Portobello. Experienced in all extension buildering work and keeping within budget and on quote. R G ...
From £2,512
Relax... you have found a reliable extension builder in Portobello. Good Foundations is a friendly and reliable company based in Portobello who con...
From £2,152
DW Builders is an established and experienced local extension builder in Portobello. Please contact us for a free, no obligation quote and competit...
From £2,192
Need to find an Extension Builder near you for all your extension buildering work?
BAIN BUILDING COMPANY provides a local, trusted extensio...
From £2,040
Relax... you have found a reliable extension builder in Portobello. Feenan Joinery is a friendly and reliable company based in Portobello who consi...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Portobello it ranges from £1,960 (JOHN DUGGAN BUILDER based in KY5) to £3,056 (Travelling Workshop Limited based in EH6).
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 Portobello by posting a job with HaMuch and we will send it to extension builders in Portobello.
"RSJ installation over two levels" - EH6, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Musselburgh | £36 | £262 |
| Install An RSJ near Edinburgh | £36 | £263 |
| Install An RSJ near Dalkeith | £35 | £256 |
| Install An RSJ near Bonnyrigg | £37 | £263 |
| Install An RSJ near Penicuik | £36 | £264 |
| Install An RSJ near Kirkcaldy | £42 | £296 |
| Install An RSJ near Haddington | £35 | £255 |
| Install An RSJ near Broxburn | £34 | £251 |
| Install An RSJ near Livingston | £35 | £256 |
| Install An RSJ near Dunfermline | £46 | £285 |
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 - £17,622

Two storey extension - £88,184

Build a timber frame extension - £26,122

Build a swimming pool - £81,122

Single storey extension - £57,448

Side return extension - £42,877

Install an RSJ - £2,322

Outbuilding - £10,122

Build a Mansard loft conversion - £52,122

Loft conversion - £34,898

Build a kitchen extension - £42,122

Hip to gable loft conversion - £42,122

Granny annexe - £87,122

Garden office - £10,122

Convert a Garage - £16,122

Garage - £18,622

Build a flat roof extension - £22,122

Build a dormer loft conversion - £42,122

Concrete foundations - £6,372

Convert a bungalow loft - £29,122

Convert a basement - £38,877