From £1,808
Experienced extension builder ready to quote for your work. City Builders is the best extension builder in The Avenues. No obligation free quotes a...
From £1,888
JAK SITE SERVICES LIMITIED is an established extension buildering business in The Avenues. We come highly recommended and provide competitive quote...
From £2,256
Patchett's Property Solutions & Management is an established and experienced local extension builder in The Avenues. Please contact us for a free, ...
From £1,808
RB Building Services is an established extension buildering business in The Avenues. We come highly recommended and provide competitive quotes for ...
From £1,816
Need an Extension Builder in The Avenues? S.E.S Services has been helping local clients (20 mile radius) with their extension buildering jobs for m...
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 The Avenues. We offer a competitive rate to complete all your ...
From £2,080
ACG Building Services is an established extension buildering business in The Avenues. We come highly recommended and provide competitive quotes for...
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 £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...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in The Avenues it ranges from £1,808 (City Builders based in HU5) 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 The Avenues by posting a job with HaMuch and we will send it to extension builders in The Avenues.
"RSJ installation 4 meter span load bearing wall may need pillars" - HU6
"RSJ installation" - HU1
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Hull | £29 | £223 |
| Install An RSJ near Willerby | £29 | £221 |
| Install An RSJ near East Riding | £29 | £223 |
| Install An RSJ near Beverley | £29 | £223 |
| Install An RSJ near North Lincolnshire | £28 | £216 |
| Install An RSJ near Scunthorpe | £26 | £207 |
| Install An RSJ near Grimsby | £32 | £246 |
| Install An RSJ near North East Lincolnshire | £32 | £246 |
| Install An RSJ near Cleethorpes | £32 | £246 |
| Install An RSJ near Goole | £26 | £217 |
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 - £17,345

Two storey extension - £87,767

Build a timber frame extension - £25,845

Build a swimming pool - £80,845

Single storey extension - £51,896

Side return extension - £39,754

Install an RSJ - £2,045

Outbuilding - £9,845

Build a Mansard loft conversion - £51,845

Loft conversion - £32,295

Build a kitchen extension - £41,845

Hip to gable loft conversion - £41,845

Granny annexe - £86,845

Garden office - £9,845

Convert a Garage - £15,845

Garage - £18,345

Build a flat roof extension - £21,845

Build a dormer loft conversion - £41,845

Concrete foundations - £6,095

Convert a bungalow loft - £28,845

Convert a basement - £35,754