From £1,672
Trusted and professional extension builder in L34. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...
From £1,872
J.M.C Building Services is a trusted extension builder serving customers in L34 and the surrounding area. Contact us to today to get a competitive ...
From £1,976
Relax... you have found a reliable extension builder in L34. David Anderson Builders is a friendly and reliable company based in L34 who consider n...
From £2,232
Tong Building & Joinery Ltd are here to help customers who need an Extension Builder in L34. We offer a competitive rate to complete all your exten...
From £2,256
AJ Solutions is an established extension buildering business in L34. We come highly recommended and provide competitive quotes for your work.
From £1,888
WWS Garage Doors & Shutters is a trusted extension builder serving customers in L34 and the surrounding area. Contact us to today to get a competit...
From £1,832
Fishers Building & Paving Ltd is an established extension buildering business in L34. We come highly recommended and provide competitive quotes for...
From £2,176
Nathan Thomas Plumbing is an established extension buildering business in L34. We come highly recommended and provide competitive quotes for your w...
From £1,808
Relax... you have found a reliable extension builder in L34. R A C Gas is a friendly and reliable company based in L34 who consider no job as too b...
From £1,896
G P Roofing & Building Service is a trusted extension builder serving customers in L34 and the surrounding area. Contact us to today to get a compe...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in L34 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 L34 by posting a job with HaMuch and we will send it to extension builders in L34.
"Install an RSJ" - L36, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Prescot | £31 | £223 |
| Install An RSJ near Knowsley | £31 | £222 |
| Install An RSJ near Huyton with Roby | £31 | £225 |
| Install An RSJ near St Helens | £31 | £224 |
| Install An RSJ near Kirkby | £31 | £223 |
| Install An RSJ near Widnes | £31 | £220 |
| Install An RSJ near Halton | £31 | £220 |
| Install An RSJ near Bootle | £32 | £223 |
| Install An RSJ near Maghull | £33 | £219 |
| Install An RSJ near Liverpool | £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 - £17,261

Two storey extension - £87,641

Build a timber frame extension - £25,761

Build a swimming pool - £80,761

Single storey extension - £50,216

Side return extension - £38,809

Install an RSJ - £1,961

Outbuilding - £9,761

Build a Mansard loft conversion - £51,761

Loft conversion - £31,508

Build a kitchen extension - £41,761

Hip to gable loft conversion - £41,761

Granny annexe - £86,761

Garden office - £9,761

Convert a Garage - £15,761

Garage - £18,261

Build a flat roof extension - £21,761

Build a dormer loft conversion - £41,761

Concrete foundations - £6,011

Convert a bungalow loft - £28,761

Convert a basement - £34,809