From £2,056
Eric Keymer
I have 20 years experience in covering all aspects of the Biulding trade.
From £1,944
Experienced extension builder ready to quote for your work. Brayfield Construction is the best extension builder in IP33. No obligation free quotes...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in IP33 it ranges from £1,944 (Brayfield Construction based in IP33) to £2,056 (Eric keymer based in IP32).
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 IP33 by posting a job with HaMuch and we will send it to extension builders in IP33.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bury St Edmunds | £34 | £251 |
| Install An RSJ near Thetford | £42 | £277 |
| Install An RSJ near Sudbury | £34 | £229 |
| Install An RSJ near Stowmarket | £30 | £221 |
| Install An RSJ near Haverhill | £37 | £260 |
| Install An RSJ near Ely | £40 | £279 |
| Install An RSJ near Ipswich | £33 | £235 |
| Install An RSJ near Breckland | £28 | £248 |
| Install An RSJ near Cambridge | £38 | £271 |
| Install An RSJ near Colchester | £34 | £232 |
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 - £17,300

Two storey extension - £87,700

Build a timber frame extension - £25,800

Build a swimming pool - £80,800

Single storey extension - £51,000

Side return extension - £39,250

Install an RSJ - £2,000

Outbuilding - £9,800

Build a Mansard loft conversion - £51,800

Loft conversion - £31,875

Build a kitchen extension - £41,800

Hip to gable loft conversion - £41,800

Granny annexe - £86,800

Garden office - £9,800

Convert a Garage - £15,800

Garage - £18,300

Build a flat roof extension - £21,800

Build a dormer loft conversion - £41,800

Concrete foundations - £6,050

Convert a bungalow loft - £28,800

Convert a basement - £35,250