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Nathan Thomas
Nathan Thomas Plumbing is an established extension buildering business in Bootle. We come highly recommended and provide competitive quotes for you...
Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in Bootle. No obligation free quo...
J.M.C Building Services is a trusted extension builder serving customers in Bootle and the surrounding area. Contact us to today to get a competiti...
Relax... you have found a reliable extension builder in Bootle. KM Building Services is a friendly and reliable company based in Bootle who conside...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Bootle, L20
Need an Extension Builder in Bootle? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
Relax... you have found a reliable extension builder in Bootle. A.B Building Services Ltd is a friendly and reliable company based in Bootle who co...
Robuild - Waterwise is an established extension buildering business in Bootle. We come highly recommended and provide competitive quotes for your w...
Need an Extension Builder in Bootle? PK.Builders has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
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 Bootle it ranges from £1,776 (A.B Building Services Ltd based in CH49) to £2,176 (Nathan Thomas Plumbing based in L19).
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 Bootle by posting a job with HaMuch and we will send it to extension builders in Bootle.
"RSJ installation" - LIVERPOOL, job posted 04/09/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bootle | £33 | £228 |
| Install An RSJ near Crosby | £35 | £234 |
| Install An RSJ near Liverpool | £31 | £222 |
| Install An RSJ near Wallasey | £32 | £224 |
| Install An RSJ near Sefton | £35 | £234 |
| Install An RSJ near Birkenhead | £31 | £219 |
| Install An RSJ near Kirkby | £31 | £224 |
| Install An RSJ near Maghull | £34 | £231 |
| Install An RSJ near Wirral | £31 | £219 |
| Install An RSJ near Knowsley | £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 - £17,292

Two storey extension - £87,688

Build a timber frame extension - £25,792

Build a swimming pool - £80,792

Single storey extension - £50,840

Side return extension - £39,160

Install an RSJ - £1,992

Outbuilding - £9,792

Build a Mansard loft conversion - £51,792

Loft conversion - £31,800

Build a kitchen extension - £41,792

Hip to gable loft conversion - £41,792

Granny annexe - £86,792

Garden office - £9,792

Convert a Garage - £15,792

Garage - £18,292

Build a flat roof extension - £21,792

Build a dormer loft conversion - £41,792

Concrete foundations - £6,042

Convert a bungalow loft - £28,792

Convert a basement - £35,160