From £1,672
Trusted and professional extension builder in Bowring Park. Experienced in all extension buildering work and keeping within budget and on quote. Jo...
From £1,872
J.M.C Building Services is a trusted extension builder serving customers in Bowring Park and the surrounding area. Contact us to today to get a com...
From £2,232
Tong Building & Joinery Ltd are here to help customers who need an Extension Builder in Bowring Park. We offer a competitive rate to complete all y...
From £2,256
AJ Solutions is an established extension buildering business in Bowring Park. We come highly recommended and provide competitive quotes for your wo...
From £2,176
Nathan Thomas Plumbing is an established extension buildering business in Bowring Park. We come highly recommended and provide competitive quotes f...
From £1,808
Relax... you have found a reliable extension builder in Bowring Park. R A C Gas is a friendly and reliable company based in Bowring Park who consid...
From £1,896
G P Roofing & Building Service is a trusted extension builder serving customers in Bowring Park and the surrounding area. Contact us to today to ge...
From £1,888
Experienced extension builder ready to quote for your work. BURGHWOOD CONSTRUCTION LTD is the best extension builder in Bowring Park. No obligation...
From £1,904
Need an Extension Builder in Bowring Park? MIDDLETON CONSTRUCTION (NW)LTD has been helping local clients (20 mile radius) with their extension buil...
From £1,968
A WALL BUILDING CONTRACTOR are here to help customers who need an Extension Builder in Bowring Park. We offer a competitive rate to complete all yo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Bowring Park it ranges from £1,672 (Jones Landscaping based in L30) to £2,256 (AJ Solutions based in CH1).
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 Bowring Park by posting a job with HaMuch and we will send it to extension builders in Bowring Park.
"Install an RSJ" - L36, job posted 01/01/70
"RSJ installation" - LIVERPOOL, job posted 04/09/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Huyton with Roby | £31 | £225 |
| Install An RSJ near Knowsley | £31 | £222 |
| Install An RSJ near Prescot | £31 | £223 |
| Install An RSJ near Liverpool | £31 | £222 |
| Install An RSJ near Kirkby | £31 | £223 |
| Install An RSJ near Bootle | £32 | £223 |
| Install An RSJ near Birkenhead | £31 | £219 |
| Install An RSJ near Wallasey | £32 | £224 |
| Install An RSJ near Widnes | £31 | £220 |
| Install An RSJ near Bebington | £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 - £17,267

Two storey extension - £87,651

Build a timber frame extension - £25,767

Build a swimming pool - £80,767

Single storey extension - £50,344

Side return extension - £38,881

Install an RSJ - £1,967

Outbuilding - £9,767

Build a Mansard loft conversion - £51,767

Loft conversion - £31,568

Build a kitchen extension - £41,767

Hip to gable loft conversion - £41,767

Granny annexe - £86,767

Garden office - £9,767

Convert a Garage - £15,767

Garage - £18,267

Build a flat roof extension - £21,767

Build a dormer loft conversion - £41,767

Concrete foundations - £6,017

Convert a bungalow loft - £28,767

Convert a basement - £34,881