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Chris Mc gurk
We have over 25 years experience in all building work and renowned for good workmanship All jobs small and large taken on
Fjs Contracts
FJS CONTRACTS LTD are here to help customers who need an Extension Builder in Maghera. We offer a competitive rate to complete all your extension b...
Seamus Mc mullan
Seamus Mcmullan building and joinery is an established extension buildering business in Maghera. We come highly recommended and provide competitive...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Maghera it ranges from £1,632 (C McGurk Building Contractor based in BT44) to £2,216 (Seamus Mcmullan building and joinery based in BT45).
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 Maghera by posting a job with HaMuch and we will send it to extension builders in Maghera.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Magherafelt | £30 | £238 |
| Install An RSJ near Dungiven | £22 | £190 |
| Install An RSJ near Coleraine | £23 | £201 |
| Install An RSJ near Ballymoney | £21 | £187 |
| Install An RSJ near Coalisland | £27 | £223 |
| Install An RSJ near Londonderry | £24 | £190 |
| Install An RSJ near Eglinton | £25 | £204 |
| Install An RSJ near Crumlin | £26 | £194 |
| Install An RSJ near Dungannon | £30 | £238 |
| Install An RSJ near Strathfoyle | £24 | £190 |
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