Gary Bushen
Trusted and professional extension builder in PL29. Experienced in all extension buildering work and keeping within budget and on quote. Bushen Bui...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PL29 it ranges from £2,248 (Bushen Builders based in PL27) to £2,248 (Bushen Builders based in PL27).
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 PL29 by posting a job with HaMuch and we will send it to extension builders in PL29.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Newquay | £32 | £230 |
| Install An RSJ near St Austell | £38 | £245 |
| Install An RSJ near Truro | £31 | £206 |
| Install An RSJ near Camborne | £28 | £196 |
| Install An RSJ near St Ives, Cornwall | £27 | £188 |
| Install An RSJ near Bideford | £22 | £174 |
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 - £17,548

Two storey extension - £88,072

Build a timber frame extension - £26,048

Build a swimming pool - £81,048

Single storey extension - £55,960

Side return extension - £42,040

Install an RSJ - £2,248

Outbuilding - £10,048

Build a Mansard loft conversion - £52,048

Loft conversion - £34,200

Build a kitchen extension - £42,048

Hip to gable loft conversion - £42,048

Granny annexe - £87,048

Garden office - £10,048

Convert a Garage - £16,048

Garage - £18,548

Build a flat roof extension - £22,048

Build a dormer loft conversion - £42,048

Concrete foundations - £6,298

Convert a bungalow loft - £29,048

Convert a basement - £38,040