From £1,864
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From £1,800
Relax... you have found a reliable extension builder in Cromer. 1st Class Building Services is a friendly and reliable company based in Cromer who ...
From £1,712
MARK WELCH BUILDING SER is a trusted extension builder serving customers in Cromer and the surrounding area. Contact us to today to get a competiti...
From £1,672
Need an Extension Builder in Cromer? Heritage Construction Norfolk has been helping local clients (20 mile radius) with their extension buildering ...
From £1,752
Relax... you have found a reliable extension builder in Cromer. Steven Folkard (Self Build) is a friendly and reliable company based in Cromer who ...
From £1,840
Donris Limited are here to help customers who need an Extension Builder in Cromer. We offer a competitive rate to complete all your extension build...
From £1,872
Relax... you have found a reliable extension builder in Cromer. B C BUILDERS is a friendly and reliable company based in Cromer who consider no job...
From £1,832
Relax... you have found a reliable extension builder in Cromer. A P W BUILDERS is a friendly and reliable company based in Cromer who consider no j...
From £1,904
Y CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Cromer. We offer a competitive rate to complete all your extensi...
From £1,392
Cromer, NR27
Experienced extension builder ready to quote for your work. CAMPBELLS is the best extension builder in Cromer. No obligation free quotes and many h...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cromer it ranges from £1,392 (CAMPBELLS based in NR27) to £1,904 (Y CONSTRUCTION LIMITED based in NR6).
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 Cromer by posting a job with HaMuch and we will send it to extension builders in Cromer.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Broadland | £24 | £194 |
| Install An RSJ near Norwich | £25 | £200 |
| Install An RSJ near Great Yarmouth | £13 | £132 |
| Install An RSJ near Dereham | £25 | £203 |
| Install An RSJ near Gorleston-on-Sea | £25 | £205 |
| Install An RSJ near Breckland | £28 | £248 |
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 - £17,064

Two storey extension - £87,346

Build a timber frame extension - £25,564

Build a swimming pool - £80,564

Single storey extension - £46,280

Side return extension - £36,595

Install an RSJ - £1,764

Outbuilding - £9,564

Build a Mansard loft conversion - £51,564

Loft conversion - £29,663

Build a kitchen extension - £41,564

Hip to gable loft conversion - £41,564

Granny annexe - £86,564

Garden office - £9,564

Convert a Garage - £15,564

Garage - £18,064

Build a flat roof extension - £21,564

Build a dormer loft conversion - £41,564

Concrete foundations - £5,814

Convert a bungalow loft - £28,564

Convert a basement - £32,595