From £2,336
Arkson builders ltd is an established and experienced local extension builder in SP2. Please contact us for a free, no obligation quote and competi...
From £2,352
Need an Extension Builder in SP2? Moores Build has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £2,512
Shape Project Management is an established and experienced local extension builder in SP2. Please contact us for a free, no obligation quote and co...
From £2,240
Need an Extension Builder in SP2? BARTITIONS DESIGN & BUILD LTD has been helping local clients (20 mile radius) with their extension buildering jo...
From £1,992
Need an Extension Builder in SP2? OLIVE CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jobs for m...
From £2,304
JJ Acquisitions ltd is a trusted extension builder serving customers in SP2 and the surrounding area. Contact us to today to get a competitive quot...
From £2,280
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,072
Need to find an Extension Builder near you for all your extension buildering work?
R F S BUILDERS provides a local, trusted extension build...
From £2,216
50years experience never had any problems with my work .Jobs range from new build to refurbishment.

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SP2 it ranges from £1,512 (NHBC based in SP2) to £2,512 (Shape Project Management based in SP5).
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 SP2 by posting a job with HaMuch and we will send it to extension builders in SP2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Salisbury | £35 | £247 |
| Install An RSJ near Test Valley | £37 | £261 |
| Install An RSJ near Romsey | £32 | £230 |
| Install An RSJ near New Forest | £32 | £245 |
| Install An RSJ near Andover | £40 | £248 |
| Install An RSJ near Totton | £34 | £243 |
| Install An RSJ near Devizes | £32 | £242 |
| Install An RSJ near Chandler's Ford | £34 | £245 |
| Install An RSJ near West Wiltshire | £32 | £242 |
| Install An RSJ near North Wiltshire | £32 | £242 |
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 - £17,482

Two storey extension - £87,972

Build a timber frame extension - £25,982

Build a swimming pool - £80,982

Single storey extension - £54,632

Side return extension - £41,293

Install an RSJ - £2,182

Outbuilding - £9,982

Build a Mansard loft conversion - £51,982

Loft conversion - £33,578

Build a kitchen extension - £41,982

Hip to gable loft conversion - £41,982

Granny annexe - £86,982

Garden office - £9,982

Convert a Garage - £15,982

Garage - £18,482

Build a flat roof extension - £21,982

Build a dormer loft conversion - £41,982

Concrete foundations - £6,232

Convert a bungalow loft - £28,982

Convert a basement - £37,293