From £2,184
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,040
Need to find an Extension Builder near you for all your extension buildering work?
Willbuild provides a local, trusted extension buildering...
From £2,136
Zygi&Bob Builders is an established extension buildering business in Edgbaston. We come highly recommended and provide competitive quotes for your ...
From £2,144
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,904
Prompt .tidy .exspearianced.quality of work
From £2,072
Welcome to WWM Property Solutions, where we specialize in creating exceptional outdoor and indoor spaces tailored to your unique lifestyle. As a le...
From £1,896
Trusted and professional extension builder in Edgbaston. Experienced in all extension buildering work and keeping within budget and on quote. Byrne...
From £2,160
Mark Anthony Builders are here to help customers who need an Extension Builder in Edgbaston. We offer a competitive rate to complete all your exten...
From £2,144
Experienced extension builder ready to quote for your work. TKB Construction is the best extension builder in Edgbaston. No obligation free quotes ...
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 ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Edgbaston it ranges from £1,896 (Byrne Roofing & Property Repairs based in CV6) 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 Edgbaston by posting a job with HaMuch and we will send it to extension builders in Edgbaston.
"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 Birmingham | £29 | £227 |
| Install An RSJ near Smethwick | £29 | £226 |
| Install An RSJ near Oldbury | £29 | £227 |
| Install An RSJ near Halesowen | £29 | £227 |
| Install An RSJ near West Bromwich | £29 | £227 |
| Install An RSJ near Rowley Regis | £29 | £226 |
| Install An RSJ near Sandwell | £29 | £229 |
| Install An RSJ near Tipton | £29 | £227 |
| Install An RSJ near Solihull | £29 | £231 |
| Install An RSJ near Sutton Coldfield | £29 | £228 |
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 - £17,468

Two storey extension - £87,952

Build a timber frame extension - £25,968

Build a swimming pool - £80,968

Single storey extension - £54,360

Side return extension - £41,140

Install an RSJ - £2,168

Outbuilding - £9,968

Build a Mansard loft conversion - £51,968

Loft conversion - £33,450

Build a kitchen extension - £41,968

Hip to gable loft conversion - £41,968

Granny annexe - £86,968

Garden office - £9,968

Convert a Garage - £15,968

Garage - £18,468

Build a flat roof extension - £21,968

Build a dormer loft conversion - £41,968

Concrete foundations - £6,218

Convert a bungalow loft - £28,968

Convert a basement - £37,140