From £1,912
Need to find an Extension Builder near you for all your extension buildering work?
PLATINUM CONSTRUCTION provides a local, trusted extensio...
From £1,912
Trading since 1997 kitchens,bathrooms lofts patios roof work and much more
From £2,184
We are a construction company that have been providing professional high quality work for 25 years.
We work mainly with listed and period...
From £1,680
Need to find an Extension Builder near you for all your extension buildering work?
Donovan Construction provides a local, trusted extensio...
From £2,624
Java construction
provide a complete building service and design
we also provide building maitanance
w...
From £1,968
Need an Extension Builder in Saltash? NCN Building & Maintenance Ltd has been helping local clients (20 mile radius) with their extension builderin...
From £2,272
Experienced in extensions, renovations, home improvements, patios, fencing, landscaping, carpentry, plastering and general property maintenance. Ex...
From £1,552
Eastman Landscapes is a trusted extension builder serving customers in Saltash and the surrounding area. Contact us to today to get a competitive q...
From £2,488
Forty years of experience in our local community

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Saltash it ranges from £1,552 (Eastman Landscapes based in PL15) to £2,624 (JAVA CONSTRUCTION LTD based in PL7).
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 Saltash by posting a job with HaMuch and we will send it to extension builders in Saltash.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Plymouth | £30 | £230 |
| Install An RSJ near St Austell | £38 | £245 |
| Install An RSJ near Newton Abbot | £27 | £236 |
| Install An RSJ near Teignbridge | £27 | £260 |
| Install An RSJ near Paignton | £27 | £222 |
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 - £17,392

Two storey extension - £87,838

Build a timber frame extension - £25,892

Build a swimming pool - £80,892

Single storey extension - £52,840

Side return extension - £40,285

Install an RSJ - £2,092

Outbuilding - £9,892

Build a Mansard loft conversion - £51,892

Loft conversion - £32,738

Build a kitchen extension - £41,892

Hip to gable loft conversion - £41,892

Granny annexe - £86,892

Garden office - £9,892

Convert a Garage - £15,892

Garage - £18,392

Build a flat roof extension - £21,892

Build a dormer loft conversion - £41,892

Concrete foundations - £6,142

Convert a bungalow loft - £28,892

Convert a basement - £36,285