From £1,920
Need to find an Extension Builder near you for all your extension buildering work?
Candor Homes provides a local, trusted extension builder...
From £2,056
HSS CONSTRUCTION LTD are here to help customers who need an Extension Builder in Oldbury. We offer a competitive rate to complete all your extensio...
From £3,000
Member since December 2022
Hi, My name is Gus Sperin. I am self-employed electrician, and I have been running my business since 2010. I have been in the electrical ...
From £1,768
Trusted and professional extension builder in Oldbury. Experienced in all extension buildering work and keeping within budget and on quote. Bhogal ...
From £1,880
Experienced extension builder ready to quote for your work. K Barrett Roofing LTD is the best extension builder in Oldbury. No obligation free quot...
From £2,216
Trusted and professional extension builder in Oldbury. Experienced in all extension buildering work and keeping within budget and on quote. Amos Bu...
From £1,976
Oldbury, B69
Our building services company Bestway Building Services Ltd have eight years experience and have been helping customers in the West Midlands provid...
From £2,168
Need an Extension Builder in Oldbury? Multiservice K Construction Ltd has been helping local clients (20 mile radius) with their extension builderi...
From £2,304
We are a design and build company that offer bespoke services to our clients, delivering professional services that help home owners achieve their ...
From £1,912
Oakham Brickwork is an established extension buildering business in Oldbury. We come highly recommended and provide competitive quotes for your wor...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Oldbury it ranges from £1,768 (Bhogal Construction based in B67) to £3,000 (Sperin Interiors based in B66).
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 Oldbury by posting a job with HaMuch and we will send it to extension builders in Oldbury.
"Removal of 3 walls and 3 RSJ installations to extend a kitchen. Need for a structual engineering consultation and building control approval since at least one wall will be load bearing." - BIRMINGHAM, job posted 05/05/24
"RSJ installation" - BIRMINGHAM, job posted 01/03/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Oldbury | £29 | £227 |
| Install An RSJ near Smethwick | £29 | £226 |
| Install An RSJ near Rowley Regis | £29 | £226 |
| Install An RSJ near Halesowen | £29 | £227 |
| Install An RSJ near West Bromwich | £29 | £227 |
| Install An RSJ near Sandwell | £29 | £229 |
| Install An RSJ near Dudley | £28 | £225 |
| Install An RSJ near Tipton | £29 | £227 |
| Install An RSJ near Birmingham | £29 | £227 |
| Install An RSJ near Brierley Hill | £28 | £222 |
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 - £17,420

Two storey extension - £87,880

Build a timber frame extension - £25,920

Build a swimming pool - £80,920

Single storey extension - £53,400

Side return extension - £40,600

Install an RSJ - £2,120

Outbuilding - £9,920

Build a Mansard loft conversion - £51,920

Loft conversion - £33,000

Build a kitchen extension - £41,920

Hip to gable loft conversion - £41,920

Granny annexe - £86,920

Garden office - £9,920

Convert a Garage - £15,920

Garage - £18,420

Build a flat roof extension - £21,920

Build a dormer loft conversion - £41,920

Concrete foundations - £6,170

Convert a bungalow loft - £28,920

Convert a basement - £36,600