From £2,288
Relax... you have found a reliable extension builder in SY3. OPH Joinery is a friendly and reliable company based in SY3 who consider no job as too...
From £2,096
Trusted and professional extension builder in SY3. Experienced in all extension buildering work and keeping within budget and on quote. Salop Glass...
From £1,784
Trusted and professional extension builder in SY3. Experienced in all extension buildering work and keeping within budget and on quote. Richard She...
From £2,056
Trusted and professional extension builder in SY3. Experienced in all extension buildering work and keeping within budget and on quote. J S CONSTRU...
From £1,856
Trusted and professional extension builder in SY3. Experienced in all extension buildering work and keeping within budget and on quote. Telford Gar...
From £2,488
We are a family business started in the late 60s by my farther who is still part of the company.
Our master carpenter has worked for us ...
From £1,992
Relax... you have found a reliable extension builder in SY3. BUILD ADEPT LTD is a friendly and reliable company based in SY3 who consider no job as...
From £1,832
RYE BUILDING CONTRACTORS LIMIT is a trusted extension builder serving customers in SY3 and the surrounding area. Contact us to today to get a compe...
From £2,192
Trusted and professional extension builder in SY3. Experienced in all extension buildering work and keeping within budget and on quote. Dream Home ...
From £2,272
D SMITH BUILDING LIMITED is a trusted extension builder serving customers in SY3 and the surrounding area. Contact us to today to get a competitive...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SY3 it ranges from £1,784 (Richard Sherratt Builders Ltd based in SY5) to £2,488 (Craven Construction (2007) LTD based in TF3).
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 SY3 by posting a job with HaMuch and we will send it to extension builders in SY3.
"Structural engineer and RSJ installation" - SY2
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Shrewsbury | £32 | £249 |
| Install An RSJ near The Wrekin | £30 | £236 |
| Install An RSJ near Telford | £30 | £241 |
| Install An RSJ near Wrexham Maelor | £34 | £261 |
| Install An RSJ near Wrexham | £34 | £263 |
| Install An RSJ near Wolverhampton | £28 | £223 |
| Install An RSJ near Stafford | £29 | £224 |
| Install An RSJ near Kingswinford | £28 | £221 |
| Install An RSJ near Sedgley | £28 | £221 |
| Install An RSJ near Crewe & Nantwich | £28 | £220 |
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 - £17,386

Two storey extension - £87,828

Build a timber frame extension - £25,886

Build a swimming pool - £80,886

Single storey extension - £52,712

Side return extension - £40,213

Install an RSJ - £2,086

Outbuilding - £9,886

Build a Mansard loft conversion - £51,886

Loft conversion - £32,678

Build a kitchen extension - £41,886

Hip to gable loft conversion - £41,886

Granny annexe - £86,886

Garden office - £9,886

Convert a Garage - £15,886

Garage - £18,386

Build a flat roof extension - £21,886

Build a dormer loft conversion - £41,886

Concrete foundations - £6,136

Convert a bungalow loft - £28,886

Convert a basement - £36,213