Inspire Carpentry and Construction Ltd is an established and experienced local extension builder in CB24. Please contact us for a free, no obligati...
Silverwood Construction (Cambridge) Ltd are here to help customers who need an Extension Builder in CB24. We offer a competitive rate to complete a...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CB24 it ranges from £2,120 (Inspire Carpentry and Construction Ltd based in CB24) to £2,360 (Silverwood Construction (Cambridge) Ltd based in PE28).
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 CB24 by posting a job with HaMuch and we will send it to extension builders in CB24.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Cambridge | £41 | £275 |
| Install An RSJ near Huntingdon | £38 | £284 |
| Install An RSJ near South Cambridgeshire | £50 | £315 |
| Install An RSJ near Ely | £40 | £279 |
| Install An RSJ near Huntingdonshire | £36 | £290 |
| Install An RSJ near St Neots | £51 | £318 |
| Install An RSJ near Biggleswade | £41 | £268 |
| Install An RSJ near Peterborough | £40 | £281 |
| Install An RSJ near Haverhill | £37 | £260 |
| Install An RSJ near South Bedfordshire | £45 | £278 |
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 - £17,540

Two storey extension - £88,060

Build a timber frame extension - £26,040

Build a swimming pool - £81,040

Single storey extension - £55,800

Side return extension - £41,950

Install an RSJ - £2,240

Outbuilding - £10,040

Build a Mansard loft conversion - £52,040

Loft conversion - £34,125

Build a kitchen extension - £42,040

Hip to gable loft conversion - £42,040

Granny annexe - £87,040

Garden office - £10,040

Convert a Garage - £16,040

Garage - £18,540

Build a flat roof extension - £22,040

Build a dormer loft conversion - £42,040

Concrete foundations - £6,290

Convert a bungalow loft - £29,040

Convert a basement - £37,950