From £2,080
Need to find an Extension Builder near you for all your extension buildering work?
Leabra Construction North West Ltd provides a local, tru...
From £2,000
Event planning interior designer new to buisness platform but have project managed a lot of my own home projects and organised events for birthdays...
From £2,072
G. Finnigan Builders is an established extension buildering business in Rainhill. We come highly recommended and provide competitive quotes for you...
From £2,096
HIGHTOWN CONSTRUCTION LTD is an established extension buildering business in Rainhill. We come highly recommended and provide competitive quotes fo...
From £2,504
Experienced extension builder ready to quote for your work. Spectrum is the best extension builder in Rainhill. No obligation free quotes and many ...
From £1,888
Relax... you have found a reliable extension builder in Rainhill. Hyst is a friendly and reliable company based in Rainhill who consider no job as ...
From £1,304
Liverpool Direct Builders is a trusted extension builder serving customers in Rainhill and the surrounding area. Contact us to today to get a compe...
From £1,864
Need an Extension Builder in Rainhill? KMC Brickwork has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £2,576
We are Aurora Building Company & we are the home improvement company you can depend upon to help transform your home to suit your needs. We spe...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Rainhill it ranges from £1,304 (Liverpool Direct Builders based in L14) to £2,576 (Aurora Building company ltd based in L12).
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.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Huyton with Roby | £31 | £225 |
| Install An RSJ near Prescot | £31 | £222 |
| Install An RSJ near Knowsley | £31 | £221 |
| 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 | £222 |
| 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 - £17,365

Two storey extension - £87,797

Build a timber frame extension - £25,865

Build a swimming pool - £80,865

Single storey extension - £52,296

Side return extension - £39,979

Install an RSJ - £2,065

Outbuilding - £9,865

Build a Mansard loft conversion - £51,865

Loft conversion - £32,483

Build a kitchen extension - £41,865

Hip to gable loft conversion - £41,865

Granny annexe - £86,865

Garden office - £9,865

Convert a Garage - £15,865

Garage - £18,365

Build a flat roof extension - £21,865

Build a dormer loft conversion - £41,865

Concrete foundations - £6,115

Convert a bungalow loft - £28,865

Convert a basement - £35,979