Gary Bushen
Trusted and professional extension builder in St Endellion. Experienced in all extension buildering work and keeping within budget and on quote. Bu...
From £2,264
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,352
F & B BUILDERS is an established extension buildering business in St Endellion. We come highly recommended and provide competitive quotes for your ...
From £2,384
Relax... you have found a reliable extension builder in St Endellion. mav building services is a friendly and reliable company based in St Endellio...
From £2,168
Established by Shawn Mcilroy in 1987. As main contractors we have a history of working on stunning residential restorations and bespoke new build ...
From £2,048
Experienced extension builder ready to quote for your work. MLM Contractors Limited is the best extension builder in St Endellion. No obligation fr...
From £2,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in St Endellion it ranges from £2,048 (MLM Contractors Limited based in PL27) to £2,384 (Mav building services based in pl27).
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 St Endellion by posting a job with HaMuch and we will send it to extension builders in St Endellion.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Newquay | £32 | £230 |
| Install An RSJ near St Austell | £38 | £245 |
| Install An RSJ near Truro | £31 | £206 |
| Install An RSJ near Camborne | £28 | £196 |
| Install An RSJ near St Ives, Cornwall | £27 | £188 |
| Install An RSJ near Bideford | £22 | £174 |
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 - £17,521

Two storey extension - £88,031

Build a timber frame extension - £26,021

Build a swimming pool - £81,021

Single storey extension - £55,411

Side return extension - £41,731

Install an RSJ - £2,221

Outbuilding - £10,021

Build a Mansard loft conversion - £52,021

Loft conversion - £33,943

Build a kitchen extension - £42,021

Hip to gable loft conversion - £42,021

Granny annexe - £87,021

Garden office - £10,021

Convert a Garage - £16,021

Garage - £18,521

Build a flat roof extension - £22,021

Build a dormer loft conversion - £42,021

Concrete foundations - £6,271

Convert a bungalow loft - £29,021

Convert a basement - £37,731