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How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in LL13 it ranges from £2,216 (M Davies & Sons based in LL11) to £2,216 (M Davies & Sons based in LL11).
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 LL13 by posting a job with HaMuch and we will send it to extension builders in LL13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Wrexham Maelor | £34 | £261 |
| Install An RSJ near Wrexham | £34 | £263 |
| Install An RSJ near Vale Royal | £35 | £251 |
| Install An RSJ near Hawarden | £33 | £228 |
| Install An RSJ near Chester | £32 | £220 |
| Install An RSJ near Flintshire | £33 | £224 |
| Install An RSJ near Connah's Quay | £33 | £229 |
| Install An RSJ near Ellesmere Port | £31 | £214 |
| Install An RSJ near Heswall | £30 | £213 |
| Install An RSJ near Winsford | £31 | £232 |
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 - £17,516

Two storey extension - £88,024

Build a timber frame extension - £26,016

Build a swimming pool - £81,016

Single storey extension - £55,320

Side return extension - £41,680

Install an RSJ - £2,216

Outbuilding - £10,016

Build a Mansard loft conversion - £52,016

Loft conversion - £33,900

Build a kitchen extension - £42,016

Hip to gable loft conversion - £42,016

Granny annexe - £87,016

Garden office - £10,016

Convert a Garage - £16,016

Garage - £18,516

Build a flat roof extension - £22,016

Build a dormer loft conversion - £42,016

Concrete foundations - £6,266

Convert a bungalow loft - £29,016

Convert a basement - £37,680