From £1,656
DAVID LANE BUILDERS is an established and experienced local extension builder in NR12. Please contact us for a free, no obligation quote and compet...
From £1,872
Relax... you have found a reliable extension builder in NR12. B C BUILDERS is a friendly and reliable company based in NR12 who consider no job as ...
From £2,008
Trusted and professional extension builder in NR12. Experienced in all extension buildering work and keeping within budget and on quote. L & L CONS...
From £1,752
Relax... you have found a reliable extension builder in NR12. Steven Folkard (Self Build) is a friendly and reliable company based in NR12 who cons...
From £1,912
Experienced extension builder ready to quote for your work. BRAND CONSTRUCTION LTD is the best extension builder in NR12. No obligation free quotes...
From £1,256
Being a general builder it's a great satisfaction to see costumers happy with nice job and on the time booked. Either way you are just painting or ...
From £1,840
Donris Limited are here to help customers who need an Extension Builder in NR12. We offer a competitive rate to complete all your extension builder...
From £1,904
Y CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in NR12. We offer a competitive rate to complete all your extension...
From £1,680
Need an Extension Builder in NR12? Bespoke Build Solutions has been helping local clients (20 mile radius) with their extension buildering jobs for...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in NR12 it ranges from £1,256 (Maxxrenovations, extensions based in NR29) to £2,008 (L & L CONSTRUCTION based in NR28).
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 NR12 by posting a job with HaMuch and we will send it to extension builders in NR12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Great Yarmouth | £13 | £132 |
| Install An RSJ near Broadland | £24 | £194 |
| Install An RSJ near Norwich | £25 | £200 |
| Install An RSJ near Gorleston-on-Sea | £25 | £205 |
| Install An RSJ near Lowestoft | £24 | £197 |
| Install An RSJ near Dereham | £25 | £203 |
| Install An RSJ near Waveney | £24 | £200 |
| Install An RSJ near Breckland | £28 | £248 |
| Install An RSJ near Thetford | £42 | £277 |
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 - £17,074

Two storey extension - £87,362

Build a timber frame extension - £25,574

Build a swimming pool - £80,574

Single storey extension - £46,488

Side return extension - £36,712

Install an RSJ - £1,774

Outbuilding - £9,574

Build a Mansard loft conversion - £51,574

Loft conversion - £29,760

Build a kitchen extension - £41,574

Hip to gable loft conversion - £41,574

Granny annexe - £86,574

Garden office - £9,574

Convert a Garage - £15,574

Garage - £18,074

Build a flat roof extension - £21,574

Build a dormer loft conversion - £41,574

Concrete foundations - £5,824

Convert a bungalow loft - £28,574

Convert a basement - £32,712