Mark Robinson
Trusted and professional extension builder in Rainhill. Experienced in all extension buildering work and keeping within budget and on quote. M L R ...
G. Finnigan Builders is an established extension buildering business in Rainhill. We come highly recommended and provide competitive quotes for you...
Need an Extension Builder in Rainhill? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
J.M.C Building Services is a trusted extension builder serving customers in Rainhill and the surrounding area. Contact us to today to get a competi...
Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Rainhill. No obligation free q...
Liverpool Builder is an established extension buildering business in Rainhill. We come highly recommended and provide competitive quotes for your w...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
J J Nuttall Specialist Roofing Ltd are here to help customers who need an Extension Builder in Rainhill. We offer a competitive rate to complete al...
Relax... you have found a reliable extension builder in Rainhill. R Sargeant is a friendly and reliable company based in Rainhill who consider no j...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Rainhill it ranges from £1,752 (Liverpool Builder based in L12) to £2,136 (P & P Building Services based in L11).
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 Rainhill by posting a job with HaMuch and we will send it to extension builders in Rainhill.
"Install an RSJ" - L36, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Huyton with Roby | £31 | £225 |
| Install An RSJ near Prescot | £31 | £223 |
| Install An RSJ near Knowsley | £31 | £222 |
| Install An RSJ near Widnes | £31 | £220 |
| Install An RSJ near St Helens | £31 | £224 |
| Install An RSJ near Halton | £31 | £220 |
| Install An RSJ near Kirkby | £31 | £224 |
| Install An RSJ near Runcorn | £33 | £228 |
| Install An RSJ near Newton-le-Willows | £31 | £221 |
| Install An RSJ near Warrington | £31 | £222 |
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 - £17,236

Two storey extension - £87,604

Build a timber frame extension - £25,736

Build a swimming pool - £80,736

Single storey extension - £49,720

Side return extension - £38,530

Install an RSJ - £1,936

Outbuilding - £9,736

Build a Mansard loft conversion - £51,736

Loft conversion - £31,275

Build a kitchen extension - £41,736

Hip to gable loft conversion - £41,736

Granny annexe - £86,736

Garden office - £9,736

Convert a Garage - £15,736

Garage - £18,236

Build a flat roof extension - £21,736

Build a dormer loft conversion - £41,736

Concrete foundations - £5,986

Convert a bungalow loft - £28,736

Convert a basement - £34,530