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S J S Services (Wales) Ltd is a trusted extension builder serving customers in CF71 and the surrounding area. Contact us to today to get a competit...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CF71 it ranges from £1,984 (S J S Services (Wales) Ltd based in CF72) to £1,984 (S J S Services (Wales) Ltd based in CF72).
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 CF71 by posting a job with HaMuch and we will send it to extension builders in CF71.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Vale of Glamorgan | £29 | £217 |
| Install An RSJ near Bridgend | £32 | £200 |
| Install An RSJ near Barry | £33 | £223 |
| Install An RSJ near Church Village | £34 | £214 |
| Install An RSJ near Porthcawl | £33 | £252 |
| Install An RSJ near Rhondda | £31 | £206 |
| Install An RSJ near Pontypridd | £33 | £211 |
| Install An RSJ near Pyle | £34 | £262 |
| Install An RSJ near Penarth | £35 | £224 |
| Install An RSJ near Cardiff | £34 | £223 |
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 - £17,284

Two storey extension - £87,676

Build a timber frame extension - £25,784

Build a swimming pool - £80,784

Single storey extension - £50,680

Side return extension - £39,070

Install an RSJ - £1,984

Outbuilding - £9,784

Build a Mansard loft conversion - £51,784

Loft conversion - £31,725

Build a kitchen extension - £41,784

Hip to gable loft conversion - £41,784

Granny annexe - £86,784

Garden office - £9,784

Convert a Garage - £15,784

Garage - £18,284

Build a flat roof extension - £21,784

Build a dormer loft conversion - £41,784

Concrete foundations - £6,034

Convert a bungalow loft - £28,784

Convert a basement - £35,070