From £1,808
Need to find an Extension Builder near you for all your extension buildering work?
John Kinloch Construction Ltd provides a local, trusted ...
From £2,096
Experienced extension builder ready to quote for your work. DM FLOYD BUILDING is the best extension builder in B46. No obligation free quotes and m...
From £1,888
Trusted and professional extension builder in B46. Experienced in all extension buildering work and keeping within budget and on quote. Castlehall ...
From £2,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,968
Need to find an Extension Builder near you for all your extension buildering work?
James Leonnard Builders provides a local, trusted extens...
From £1,224
we have over 13 years exp
we go that extra mile to make sure customers are 100 % happy
we cover a 20 miles radus for b26 area...
From £2,024
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
From £2,168
Need to find an Extension Builder near you for all your extension buildering work?
Timber Innovations provides a local, trusted extension b...
From £1,952
Experienced extension builder ready to quote for your work. SELF BUILD is the best extension builder in B46. No obligation free quotes and many hap...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in B46 it ranges from £1,224 (J s building & maintenance services limited based in B26) to £2,168 (Timber Innovations based in B92).
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 B46 by posting a job with HaMuch and we will send it to extension builders in B46.
"RSJ installation and knock through" - B76, job posted 09/10/24
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Sutton Coldfield | £29 | £228 |
| Install An RSJ near Solihull | £29 | £231 |
| Install An RSJ near Tamworth | £33 | £288 |
| Install An RSJ near Nuneaton | £29 | £225 |
| Install An RSJ near Birmingham | £29 | £227 |
| Install An RSJ near Knowle | £31 | £241 |
| Install An RSJ near Bedworth | £28 | £219 |
| Install An RSJ near Nuneaton & Bedworth | £28 | £219 |
| Install An RSJ near Coventry | £28 | £222 |
| Install An RSJ near Smethwick | £29 | £226 |
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 - £17,184

Two storey extension - £87,526

Build a timber frame extension - £25,684

Build a swimming pool - £80,684

Single storey extension - £48,680

Side return extension - £37,945

Install an RSJ - £1,884

Outbuilding - £9,684

Build a Mansard loft conversion - £51,684

Loft conversion - £30,788

Build a kitchen extension - £41,684

Hip to gable loft conversion - £41,684

Granny annexe - £86,684

Garden office - £9,684

Convert a Garage - £15,684

Garage - £18,184

Build a flat roof extension - £21,684

Build a dormer loft conversion - £41,684

Concrete foundations - £5,934

Convert a bungalow loft - £28,684

Convert a basement - £33,945