From £1,784
Gerard & Huby Building Specialist are here to help customers who need an Extension Builder in DN14. We offer a competitive rate to complete all you...
From £2,216
ABBS Building & Plastics are here to help customers who need an Extension Builder in DN14. We offer a competitive rate to complete all your extensi...
From £1,840
Relax... you have found a reliable extension builder in DN14. Gosling Builders is a friendly and reliable company based in DN14 who consider no job...
From £1,944
Trusted and professional extension builder in DN14. Experienced in all extension buildering work and keeping within budget and on quote. MERCER PAR...
From £1,912
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,264
Prestine Property Maintenance Services is an established and experienced local extension builder in DN14. Please contact us for a free, no obligati...
From £2,200
From creating inspiring residential renovations and re-builds to simplifying sophisticated commercial fit-outs, Egg Interiors are experts in the re...
From £1,888
Lace Construction Ltd are here to help customers who need an Extension Builder in DN14. We offer a competitive rate to complete all your extension ...
From £1,840
Relax... you have found a reliable extension builder in DN14. PASUDA BUILDINGS LTD is a friendly and reliable company based in DN14 who consider no...
From £2,152
PASUDA BUILDINGS LTD is an established and experienced local extension builder in DN14. Please contact us for a free, no obligation quote and compe...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DN14 it ranges from £1,784 (Gerard & Huby Building Specialist based in DN14) to £2,264 (Prestine Property Maintenance Services based in YO8).
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 DN14 by posting a job with HaMuch and we will send it to extension builders in DN14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Goole | £24 | £196 |
| Install An RSJ near Selby | £25 | £198 |
| Install An RSJ near Scunthorpe | £23 | £186 |
| Install An RSJ near Pontefract | £26 | £202 |
| Install An RSJ near Doncaster | £26 | £208 |
| Install An RSJ near Castleford | £27 | £202 |
| Install An RSJ near North Lincolnshire | £25 | £195 |
| Install An RSJ near York | £26 | £196 |
| Install An RSJ near Normanton | £26 | £202 |
| Install An RSJ near Willerby | £25 | £193 |
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 - £17,304

Two storey extension - £87,706

Build a timber frame extension - £25,804

Build a swimming pool - £80,804

Single storey extension - £51,080

Side return extension - £39,295

Install an RSJ - £2,004

Outbuilding - £9,804

Build a Mansard loft conversion - £51,804

Loft conversion - £31,913

Build a kitchen extension - £41,804

Hip to gable loft conversion - £41,804

Granny annexe - £86,804

Garden office - £9,804

Convert a Garage - £15,804

Garage - £18,304

Build a flat roof extension - £21,804

Build a dormer loft conversion - £41,804

Concrete foundations - £6,054

Convert a bungalow loft - £28,804

Convert a basement - £35,295