From £2,112
Relax... you have found a reliable extension builder in NP19. Ace Paving is a friendly and reliable company based in NP19 who consider no job as to...
From £2,192
Relax... you have found a reliable extension builder in NP19. RKD Maintenance & Construction is a friendly and reliable company based in NP19 who c...
From £1,992
T Porter Buiding is an established and experienced local extension builder in NP19. Please contact us for a free, no obligation quote and competiti...
From £1,960
Sharif General Builder is an established and experienced local extension builder in NP19. Please contact us for a free, no obligation quote and com...
From £2,200
Trusted and professional extension builder in NP19. Experienced in all extension buildering work and keeping within budget and on quote. A P FORD B...
From £2,256
Matthew O'Brien is an established and experienced local extension builder in NP19. Please contact us for a free, no obligation quote and competitiv...
From £1,952
Experienced extension builder ready to quote for your work. Kingsley Developments is the best extension builder in NP19. No obligation free quotes ...
From £2,120
Kingsley Developments is an established and experienced local extension builder in NP19. Please contact us for a free, no obligation quote and comp...
From £1,912
PMW Property Services Ltd is an established and experienced local extension builder in NP19. Please contact us for a free, no obligation quote and ...
From £2,504
Experienced extension builder ready to quote for your work. Carter Thomas Construction Ltd is the best extension builder in NP19. No obligation fre...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NP19 it ranges from £1,912 (PMW Property Services Ltd based in NP20) to £2,504 (Carter Thomas Construction Ltd based in NP18).
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 NP19 by posting a job with HaMuch and we will send it to extension builders in NP19.
"RSJ installation" - NEWPORT
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Newport | £41 | £233 |
| Install An RSJ near Cwmbran | £43 | £219 |
| Install An RSJ near Risca | £32 | £218 |
| Install An RSJ near Pontypool | £30 | £210 |
| Install An RSJ near Caerphilly | £33 | £208 |
| Install An RSJ near Clevedon | £32 | £243 |
| Install An RSJ near Portishead | £33 | £247 |
| Install An RSJ near Cardiff | £35 | £219 |
| Install An RSJ near Penarth | £36 | £217 |
| Install An RSJ near Church Village | £34 | £214 |
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 - £17,420

Two storey extension - £87,880

Build a timber frame extension - £25,920

Build a swimming pool - £80,920

Single storey extension - £53,400

Side return extension - £40,600

Install an RSJ - £2,120

Outbuilding - £9,920

Build a Mansard loft conversion - £51,920

Loft conversion - £33,000

Build a kitchen extension - £41,920

Hip to gable loft conversion - £41,920

Granny annexe - £86,920

Garden office - £9,920

Convert a Garage - £15,920

Garage - £18,420

Build a flat roof extension - £21,920

Build a dormer loft conversion - £41,920

Concrete foundations - £6,170

Convert a bungalow loft - £28,920

Convert a basement - £36,600