Relax... you have found a reliable extension builder in SP10. Bob Shearer Property Maintenance, Building & Roofing is a friendly and reliable compa...
From £1,952
4Walls Project Management Ltd is an established and experienced local extension builder in SP10. Please contact us for a free, no obligation quote ...
From £2,096
Relax... you have found a reliable extension builder in SP10. Groundcraft Ltd is a friendly and reliable company based in SP10 who consider no job ...
From £2,304
Relax... you have found a reliable extension builder in SP10. Eds Builders is a friendly and reliable company based in SP10 who consider no job as ...
From £2,272
DMT Construction t/a are here to help customers who need an Extension Builder in SP10. We offer a competitive rate to complete all your extension b...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SP10 it ranges from £1,952 (4Walls Project Management Ltd based in SP10) to £2,304 (Eds Builders based in SP11).
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 SP10 by posting a job with HaMuch and we will send it to extension builders in SP10.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Andover | £40 | £248 |
| Install An RSJ near Test Valley | £37 | £261 |
| Install An RSJ near Winchester | £39 | £283 |
| Install An RSJ near Basingstoke & Deane | £39 | £273 |
| Install An RSJ near Newbury | £37 | £262 |
| Install An RSJ near Romsey | £32 | £230 |
| Install An RSJ near Chandler's Ford | £34 | £245 |
| Install An RSJ near Thatcham | £38 | £266 |
| Install An RSJ near Salisbury | £35 | £247 |
| Install An RSJ near Basingstoke | £39 | £274 |
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 - £17,462

Two storey extension - £87,942

Build a timber frame extension - £25,962

Build a swimming pool - £80,962

Single storey extension - £54,232

Side return extension - £41,068

Install an RSJ - £2,162

Outbuilding - £9,962

Build a Mansard loft conversion - £51,962

Loft conversion - £33,390

Build a kitchen extension - £41,962

Hip to gable loft conversion - £41,962

Granny annexe - £86,962

Garden office - £9,962

Convert a Garage - £15,962

Garage - £18,462

Build a flat roof extension - £21,962

Build a dormer loft conversion - £41,962

Concrete foundations - £6,212

Convert a bungalow loft - £28,962

Convert a basement - £37,068