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Need to find an Extension Builder near you for all your extension buildering work?
GMC Construction provides a local, trusted extension bui...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Tyrone it ranges from £2,216 (GMC Construction based in BT70) to £2,216 (GMC Construction based in BT70).
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 Tyrone by posting a job with HaMuch and we will send it to extension builders in Tyrone.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Dungannon | £30 | £238 |
| Install An RSJ near Coalisland | £27 | £223 |
| Install An RSJ near Craigavon | £23 | £181 |
| Install An RSJ near Waringstown | £23 | £167 |
| Install An RSJ near Banbridge | £29 | £205 |
| Install An RSJ near Maghaberry | £31 | £205 |
| Install An RSJ near Magherafelt | £30 | £238 |
| Install An RSJ near Crumlin | £26 | £194 |
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