Trusted and professional extension builder in Lincolnshire. Experienced in all extension buildering work and keeping within budget and on quote. Ja...
A Kemp Build is a trusted extension builder serving customers in Lincolnshire and the surrounding area. Contact us to today to get a competitive qu...
From £2,000
Lincolnshire, DN15
viking build is an established extension buildering business in Lincolnshire. We come highly recommended and provide competitive quotes for your wo...
From £1,680
Experienced extension builder ready to quote for your work. Northfield General Builders Ltd is the best extension builder in Lincolnshire. No oblig...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Lincolnshire it ranges from £1,680 (Northfield General Builders Ltd based in DN17) to £2,144 (Jaymi Wright based in DN16).
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 Lincolnshire by posting a job with HaMuch and we will send it to extension builders in Lincolnshire.
"RSJ installation to support a chimney which has been removed" - DN16, job posted 04/12/26
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Scunthorpe | £26 | £207 |
| Install An RSJ near North Lincolnshire | £28 | £216 |
| Install An RSJ near Willerby | £29 | £221 |
| Install An RSJ near Goole | £26 | £217 |
| Install An RSJ near Gainsborough | £30 | £234 |
| Install An RSJ near Hull | £29 | £223 |
| Install An RSJ near East Riding | £29 | £223 |
| Install An RSJ near Beverley | £29 | £223 |
| Install An RSJ near Selby | £30 | £240 |
| Install An RSJ near Doncaster | £29 | £238 |
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 - £17,206

Two storey extension - £87,559

Build a timber frame extension - £25,706

Build a swimming pool - £80,706

Single storey extension - £49,120

Side return extension - £38,193

Install an RSJ - £1,906

Outbuilding - £9,706

Build a Mansard loft conversion - £51,706

Loft conversion - £30,994

Build a kitchen extension - £41,706

Hip to gable loft conversion - £41,706

Granny annexe - £86,706

Garden office - £9,706

Convert a Garage - £15,706

Garage - £18,206

Build a flat roof extension - £21,706

Build a dormer loft conversion - £41,706

Concrete foundations - £5,956

Convert a bungalow loft - £28,706

Convert a basement - £34,193