Mark Boobyer
Karesa Developments Ltd is a trusted extension builder serving customers in TA21 and the surrounding area. Contact us to today to get a competitive...
Andrew Childs
Been installing fascia soffits for over twenty years i profide a very good service
SDP CONSTRUCTION LTD is a trusted extension builder serving customers in TA21 and the surrounding area. Contact us to today to get a competitive qu...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TA21 it ranges from £1,672 (Andrew Childs Fascias, Soffits & Guttering based in TA21) to £2,264 (Karesa Developments Ltd based in TA21).
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 TA21 by posting a job with HaMuch and we will send it to extension builders in TA21.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Taunton | £31 | £242 |
| Install An RSJ near Tiverton | £25 | £202 |
| Install An RSJ near Bridgwater | £30 | £236 |
| Install An RSJ near East Devon | £27 | £221 |
| Install An RSJ near Exeter | £27 | £221 |
| Install An RSJ near South Somerset | £62 | £270 |
| Install An RSJ near Exmouth | £24 | £210 |
| Install An RSJ near Yeovil | £34 | £294 |
| Install An RSJ near Barry | £33 | £223 |
| Install An RSJ near Weston-super-Mare | £33 | £253 |
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 - £17,225

Two storey extension - £87,588

Build a timber frame extension - £25,725

Build a swimming pool - £80,725

Single storey extension - £49,507

Side return extension - £38,410

Install an RSJ - £1,925

Outbuilding - £9,725

Build a Mansard loft conversion - £51,725

Loft conversion - £31,175

Build a kitchen extension - £41,725

Hip to gable loft conversion - £41,725

Granny annexe - £86,725

Garden office - £9,725

Convert a Garage - £15,725

Garage - £18,225

Build a flat roof extension - £21,725

Build a dormer loft conversion - £41,725

Concrete foundations - £5,975

Convert a bungalow loft - £28,725

Convert a basement - £34,410