Banbridge, BT32
With extensive extension buildering experience, we provide reliable, high-quality workmanship at competitive prices. G K Contracts Building & Joine...
From £1,648
Trusted and professional extension builder in Banbridge. Experienced in all extension buildering work and keeping within budget and on quote. The M...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Banbridge it ranges from £1,648 (The Method Group based in BT66) to £1,840 (G K Contracts Building & Joinery based in BT32).
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 Banbridge by posting a job with HaMuch and we will send it to extension builders in Banbridge.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Banbridge | £29 | £205 |
| Install An RSJ near Waringstown | £23 | £167 |
| Install An RSJ near Craigavon | £23 | £181 |
| Install An RSJ near Hillsborough and Culcavy | £25 | £170 |
| Install An RSJ near Maghaberry | £31 | £205 |
| Install An RSJ near Lisburn | £24 | £164 |
| Install An RSJ near Ballynahinch | £19 | £189 |
| Install An RSJ near Saintfield | £23 | £162 |
| Install An RSJ near Carryduff | £23 | £158 |
| 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 - £17,044

Two storey extension - £87,316

Build a timber frame extension - £25,544

Build a swimming pool - £80,544

Single storey extension - £45,880

Side return extension - £36,370

Install an RSJ - £1,744

Outbuilding - £9,544

Build a Mansard loft conversion - £51,544

Loft conversion - £29,475

Build a kitchen extension - £41,544

Hip to gable loft conversion - £41,544

Granny annexe - £86,544

Garden office - £9,544

Convert a Garage - £15,544

Garage - £18,044

Build a flat roof extension - £21,544

Build a dormer loft conversion - £41,544

Concrete foundations - £5,794

Convert a bungalow loft - £28,544

Convert a basement - £32,370