From £1,984
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DT ANDERSON CONSTRUCTION LTD provides a local, trusted e...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WA8 it ranges from £1,984 (DT ANDERSON CONSTRUCTION LTD based in WA8) to £2,264 (Bakers Building Maintenance based in WA8).
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 WA8 by posting a job with HaMuch and we will send it to extension builders in WA8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Widnes | £31 | £220 |
| Install An RSJ near Halton | £31 | £220 |
| Install An RSJ near Runcorn | £33 | £228 |
| Install An RSJ near Huyton with Roby | £31 | £225 |
| Install An RSJ near Prescot | £31 | £223 |
| Install An RSJ near Knowsley | £31 | £222 |
| Install An RSJ near St Helens | £31 | £224 |
| Install An RSJ near Warrington | £31 | £222 |
| Install An RSJ near Newton-le-Willows | £31 | £221 |
| Install An RSJ near Golborne | £30 | £222 |
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 - £17,424

Two storey extension - £87,886

Build a timber frame extension - £25,924

Build a swimming pool - £80,924

Single storey extension - £53,480

Side return extension - £40,645

Install an RSJ - £2,124

Outbuilding - £9,924

Build a Mansard loft conversion - £51,924

Loft conversion - £33,038

Build a kitchen extension - £41,924

Hip to gable loft conversion - £41,924

Granny annexe - £86,924

Garden office - £9,924

Convert a Garage - £15,924

Garage - £18,424

Build a flat roof extension - £21,924

Build a dormer loft conversion - £41,924

Concrete foundations - £6,174

Convert a bungalow loft - £28,924

Convert a basement - £36,645