Relax... you have found a reliable extension builder in CB7. Fantastic Finishing is a friendly and reliable company based in CB7 who consider no jo...
From £2,496
Relax... you have found a reliable extension builder in CB7. Foreman + Hill is a friendly and reliable company based in CB7 who consider no job as ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CB7 it ranges from £2,440 (Fantastic Finishing based in CB7) to £2,496 (Foreman + Hill based in Cb7).
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 CB7 by posting a job with HaMuch and we will send it to extension builders in CB7.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Ely | £40 | £279 |
| Install An RSJ near Cambridge | £41 | £275 |
| Install An RSJ near Bury St Edmunds | £34 | £251 |
| Install An RSJ near Thetford | £42 | £277 |
| Install An RSJ near South Cambridgeshire | £50 | £315 |
| Install An RSJ near Haverhill | £37 | £260 |
| Install An RSJ near Huntingdon | £38 | £284 |
| Install An RSJ near Wisbech | £34 | £255 |
| Install An RSJ near Huntingdonshire | £36 | £290 |
| 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 - £17,768

Two storey extension - £88,402

Build a timber frame extension - £26,268

Build a swimming pool - £81,268

Single storey extension - £60,360

Side return extension - £44,515

Install an RSJ - £2,468

Outbuilding - £10,268

Build a Mansard loft conversion - £52,268

Loft conversion - £36,263

Build a kitchen extension - £42,268

Hip to gable loft conversion - £42,268

Granny annexe - £87,268

Garden office - £10,268

Convert a Garage - £16,268

Garage - £18,768

Build a flat roof extension - £22,268

Build a dormer loft conversion - £42,268

Concrete foundations - £6,518

Convert a bungalow loft - £29,268

Convert a basement - £40,515