From £2,056
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How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CO14 it ranges from £2,056 (Stately Home Developments Ltd based in CO14) to £2,056 (Stately Home Developments Ltd based in CO14).
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 CO14 by posting a job with HaMuch and we will send it to extension builders in CO14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Harwich | £34 | £248 |
| Install An RSJ near Clacton-on-Sea | £31 | £230 |
| Install An RSJ near Tendring | £31 | £226 |
| Install An RSJ near Felixstowe | £31 | £231 |
| Install An RSJ near Ipswich | £33 | £235 |
| Install An RSJ near Colchester | £34 | £232 |
| Install An RSJ near Suffolk Coastal | £28 | £215 |
| Install An RSJ near Maldon | £36 | £244 |
| Install An RSJ near Stowmarket | £30 | £221 |
| Install An RSJ near Witham | £36 | £240 |
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 - £17,356

Two storey extension - £87,784

Build a timber frame extension - £25,856

Build a swimming pool - £80,856

Single storey extension - £52,120

Side return extension - £39,880

Install an RSJ - £2,056

Outbuilding - £9,856

Build a Mansard loft conversion - £51,856

Loft conversion - £32,400

Build a kitchen extension - £41,856

Hip to gable loft conversion - £41,856

Granny annexe - £86,856

Garden office - £9,856

Convert a Garage - £15,856

Garage - £18,356

Build a flat roof extension - £21,856

Build a dormer loft conversion - £41,856

Concrete foundations - £6,106

Convert a bungalow loft - £28,856

Convert a basement - £35,880