From £1,632
Trusted and professional extension builder in Pembroke. Experienced in all extension buildering work and keeping within budget and on quote. Lawton...
From £1,416
Experienced extension builder ready to quote for your work. Gainzy Builders is the best extension builder in Pembroke. No obligation free quotes an...
From £1,384
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,520
Relax... you have found a reliable extension builder in Pembroke. D&O Construction Ltd is a friendly and reliable company based in Pembroke who con...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Pembroke it ranges from £1,384 (Cleaning Services - We Can Do It based in SA73) to £1,632 (Lawtons Property Services based in SA73).
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 Pembroke by posting a job with HaMuch and we will send it to extension builders in Pembroke.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Pembrokeshire | £19 | £163 |
| Install An RSJ near Milford Haven | £18 | £159 |
| Install An RSJ near Carmarthenshire | £26 | £205 |
| Install An RSJ near Carmarthen | £26 | £205 |
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 - £16,775

Two storey extension - £86,913

Build a timber frame extension - £25,275

Build a swimming pool - £80,275

Single storey extension - £40,504

Side return extension - £33,346

Install an RSJ - £1,475

Outbuilding - £9,275

Build a Mansard loft conversion - £51,275

Loft conversion - £26,955

Build a kitchen extension - £41,275

Hip to gable loft conversion - £41,275

Granny annexe - £86,275

Garden office - £9,275

Convert a Garage - £15,275

Garage - £17,775

Build a flat roof extension - £21,275

Build a dormer loft conversion - £41,275

Concrete foundations - £5,525

Convert a bungalow loft - £28,275

Convert a basement - £29,346