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 £2,272
J LLOYD CONSTRUCTION LTD are here to help customers who need an Extension Builder in HU17. We offer a competitive rate to complete all your extensi...
From £2,000
Need to find an Extension Builder near you for all your extension buildering work?
Ashley Cook Builders provides a local, trusted extension...
From £2,080
ACG Building Services is an established extension buildering business in HU17. We come highly recommended and provide competitive quotes for your w...
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 £1,808
Experienced extension builder ready to quote for your work. City Builders is the best extension builder in HU17. No obligation free quotes and many...
From £1,888
JAK SITE SERVICES LIMITIED is an established extension buildering business in HU17. We come highly recommended and provide competitive quotes for y...
From £2,256
Patchett's Property Solutions & Management is an established and experienced local extension builder in HU17. Please contact us for a free, no obli...
From £1,816
Need an Extension Builder in HU17? S.E.S Services has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
From £1,808
RB Building Services is an established extension buildering business in HU17. We come highly recommended and provide competitive quotes for your wo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in HU17 it ranges from £1,808 (City Builders based in HU5) to £2,272 (J LLOYD CONSTRUCTION LTD based in HU7).
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 HU17 by posting a job with HaMuch and we will send it to extension builders in HU17.
"RSJ installation" - EAST RIDING
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Beverley | £29 | £223 |
| Install An RSJ near East Riding | £29 | £223 |
| Install An RSJ near Willerby | £29 | £221 |
| Install An RSJ near Hull | £29 | £223 |
| Install An RSJ near North Lincolnshire | £28 | £216 |
| Install An RSJ near Scunthorpe | £26 | £207 |
| Install An RSJ near Bridlington | £32 | £252 |
| Install An RSJ near Goole | £26 | £217 |
| Install An RSJ near Grimsby | £32 | £246 |
| Install An RSJ near North East Lincolnshire | £32 | £246 |
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 - £17,289

Two storey extension - £87,683

Build a timber frame extension - £25,789

Build a swimming pool - £80,789

Single storey extension - £50,776

Side return extension - £39,124

Install an RSJ - £1,989

Outbuilding - £9,789

Build a Mansard loft conversion - £51,789

Loft conversion - £31,770

Build a kitchen extension - £41,789

Hip to gable loft conversion - £41,789

Granny annexe - £86,789

Garden office - £9,789

Convert a Garage - £15,789

Garage - £18,289

Build a flat roof extension - £21,789

Build a dormer loft conversion - £41,789

Concrete foundations - £6,039

Convert a bungalow loft - £28,789

Convert a basement - £35,124