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Kevin Sainsbury
K E Sainsbury Builders is an established and experienced local extension builder in Shaftesbury. Please contact us for a free, no obligation quote ...
Need to find an Extension Builder near you for all your extension buildering work?
2 Counties Construction provides a local, trusted extens...
Relax... you have found a reliable extension builder in Shaftesbury. HILLIER CONSTRUCTION is a friendly and reliable company based in Shaftesbury w...
From £2,376
Pj building services is a trusted extension builder serving customers in Shaftesbury and the surrounding area. Contact us to today to get a competi...
From £2,240
Mark King Building Ltd is an established and experienced local extension builder in Shaftesbury. Please contact us for a free, no obligation quote ...
From £2,480
Experienced extension builder ready to quote for your work. Burfitt and Garrett Ltd is the best extension builder in Shaftesbury. No obligation fre...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Shaftesbury it ranges from £1,896 (2 Counties Construction based in SP3) to £2,480 (Burfitt and Garrett Ltd based in SP7).
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 Shaftesbury by posting a job with HaMuch and we will send it to extension builders in Shaftesbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Frome | £33 | £263 |
| Install An RSJ near Salisbury | £35 | £247 |
| Install An RSJ near Yeovil | £34 | £294 |
| Install An RSJ near Poole | £38 | £250 |
| Install An RSJ near Trowbridge | £34 | £266 |
| Install An RSJ near South Somerset | £62 | £270 |
| Install An RSJ near Dorchester | £30 | £230 |
| Install An RSJ near Bournemouth | £38 | £257 |
| Install An RSJ near Devizes | £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 - £17,549

Two storey extension - £88,074

Build a timber frame extension - £26,049

Build a swimming pool - £81,049

Single storey extension - £55,987

Side return extension - £42,055

Install an RSJ - £2,249

Outbuilding - £10,049

Build a Mansard loft conversion - £52,049

Loft conversion - £34,213

Build a kitchen extension - £42,049

Hip to gable loft conversion - £42,049

Granny annexe - £87,049

Garden office - £10,049

Convert a Garage - £16,049

Garage - £18,549

Build a flat roof extension - £22,049

Build a dormer loft conversion - £42,049

Concrete foundations - £6,299

Convert a bungalow loft - £29,049

Convert a basement - £38,055