From £1,752
Marhsall is an established extension buildering business in HU15. We come highly recommended and provide competitive quotes for your work.
From £2,056
We specialise in converting unused areas into liveable, useful spaces. Talk to us about your ideas and we can work together to convert your lof...
From £2,560
Over 25 years experience in the building industry
Any job from a light switch to building a house give me a call
From £1,904
Need to find an Extension Builder near you for all your extension buildering work?
HEPWORTH BUILDING provides a local, trusted extension bu...
From £2,208
Kev Pipe Builder is an established extension buildering business in HU15. We come highly recommended and provide competitive quotes for your work.<...
From £1,808
Experienced extension builder ready to quote for your work. City Builders is the best extension builder in HU15. No obligation free quotes and many...
From £1,840
Relax... you have found a reliable extension builder in HU15. Gosling Builders is a friendly and reliable company based in HU15 who consider no job...
From £1,808
RB Building Services is an established extension buildering business in HU15. 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 HU15. No obligation fr...
From £2,256
Patchett's Property Solutions & Management is an established and experienced local extension builder in HU15. Please contact us for a free, no obli...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in HU15 it ranges from £1,680 (Northfield General Builders Ltd based in DN17) to £2,560 (Ahs joinery and building ltd based in HU13).
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 HU15 by posting a job with HaMuch and we will send it to extension builders in HU15.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Willerby | £29 | £221 |
| Install An RSJ near Scunthorpe | £26 | £207 |
| Install An RSJ near East Riding | £29 | £223 |
| Install An RSJ near North Lincolnshire | £28 | £216 |
| Install An RSJ near Beverley | £29 | £223 |
| Install An RSJ near Hull | £29 | £223 |
| Install An RSJ near Goole | £26 | £217 |
| Install An RSJ near Selby | £30 | £240 |
| Install An RSJ near York | £30 | £229 |
| Install An RSJ near Gainsborough | £30 | £234 |
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 - £17,287

Two storey extension - £87,681

Build a timber frame extension - £25,787

Build a swimming pool - £80,787

Single storey extension - £50,744

Side return extension - £39,106

Install an RSJ - £1,987

Outbuilding - £9,787

Build a Mansard loft conversion - £51,787

Loft conversion - £31,755

Build a kitchen extension - £41,787

Hip to gable loft conversion - £41,787

Granny annexe - £86,787

Garden office - £9,787

Convert a Garage - £15,787

Garage - £18,287

Build a flat roof extension - £21,787

Build a dormer loft conversion - £41,787

Concrete foundations - £6,037

Convert a bungalow loft - £28,787

Convert a basement - £35,106