From £2,024
Reliable person 25 years experience
if you look on a website rated people and have a look at my ratings
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 £1,888
Trusted and professional extension builder in B33. 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 £2,096
Experienced extension builder ready to quote for your work. DM FLOYD BUILDING is the best extension builder in B33. No obligation free quotes and m...
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 £1,880
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,184
Need to find an Extension Builder near you for all your extension buildering work?
Dayfos Properties Ltd provides a local, trusted extensio...
From £2,184
Fletcher's Building & Maintenance are a family owned business that understands, in order to achieve our continued success our customers and the...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in B33 it ranges from £1,224 (J s building & maintenance services limited based in B26) to £2,184 (Dayfos Properties Ltd based in B11).
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 B33 by posting a job with HaMuch and we will send it to extension builders in B33.
"RSJ installation and knock through" - B76
"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
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Birmingham | £25 | £197 |
| Install An RSJ near Solihull | £24 | £194 |
| Install An RSJ near Sutton Coldfield | £25 | £202 |
| Install An RSJ near Knowle | £26 | £203 |
| Install An RSJ near Smethwick | £25 | £195 |
| Install An RSJ near Oldbury | £25 | £196 |
| Install An RSJ near West Bromwich | £25 | £195 |
| Install An RSJ near Sandwell | £25 | £196 |
| Install An RSJ near Halesowen | £25 | £197 |
| Install An RSJ near Tamworth | £28 | £241 |
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 - £17,200

Two storey extension - £87,550

Build a timber frame extension - £25,700

Build a swimming pool - £80,700

Single storey extension - £49,000

Side return extension - £38,125

Install an RSJ - £1,900

Outbuilding - £9,700

Build a Mansard loft conversion - £51,700

Loft conversion - £30,938

Build a kitchen extension - £41,700

Hip to gable loft conversion - £41,700

Granny annexe - £86,700

Garden office - £9,700

Convert a Garage - £15,700

Garage - £18,200

Build a flat roof extension - £21,700

Build a dormer loft conversion - £41,700

Concrete foundations - £5,950

Convert a bungalow loft - £28,700

Convert a basement - £34,125