From £2,384
Allington, DT6
Experienced extension builder ready to quote for your work. WILD CONSTRUCTION LTD is the best extension builder in Allington. No obligation free qu...
From £2,328
Allington, DT6
M J MUDFORD BUILDG CONTRACTOR is a trusted extension builder serving customers in Allington and the surrounding area. Contact us to today to get a ...
From £2,688
Trusted and professional extension builder in Allington. Experienced in all extension buildering work and keeping within budget and on quote. Mew D...
From £2,224
Experienced extension builder ready to quote for your work. LYME BAY BUILDING CO LTD is the best extension builder in Allington. No obligation free...
From £2,064
Need to find an Extension Builder near you for all your extension buildering work?
Axminster Design and Build Limited provides a local, tru...
From £2,272
Our building services company MDP Building Contractors has over 30 years of experience of helping customers in Yeovil and the surrounding area by p...
From £2,272
Need to find an Extension Builder near you for all your extension buildering work?
CB Construction provides a local, trusted extension buil...
From £2,184
Professional personnel local service with personally over 30 years in trade and word of mouth customers within a 25mile radius. Strive to giv...
From £1,896
Trusted and professional extension builder in Allington. Experienced in all extension buildering work and keeping within budget and on quote. Stuar...
From £2,096
Steven Clark Building Services is an established and experienced local extension builder in Allington. Please contact us for a free, no obligation ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Allington it ranges from £1,896 (Stuart's Building and Maintenance based in DT2) to £2,688 (Mew Developments Ltd based in DT7).
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 Allington by posting a job with HaMuch and we will send it to extension builders in Allington.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Dorchester | £30 | £230 |
| Install An RSJ near Yeovil | £34 | £294 |
| Install An RSJ near Weymouth | £33 | £260 |
| Install An RSJ near South Somerset | £62 | £270 |
| Install An RSJ near East Devon | £27 | £221 |
| Install An RSJ near Taunton | £31 | £242 |
| Install An RSJ near Bridgwater | £30 | £236 |
| Install An RSJ near Exmouth | £24 | £210 |
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 - £17,541

Two storey extension - £88,061

Build a timber frame extension - £26,041

Build a swimming pool - £81,041

Single storey extension - £55,816

Side return extension - £41,959

Install an RSJ - £2,241

Outbuilding - £10,041

Build a Mansard loft conversion - £52,041

Loft conversion - £34,133

Build a kitchen extension - £42,041

Hip to gable loft conversion - £42,041

Granny annexe - £87,041

Garden office - £10,041

Convert a Garage - £16,041

Garage - £18,541

Build a flat roof extension - £22,041

Build a dormer loft conversion - £42,041

Concrete foundations - £6,291

Convert a bungalow loft - £29,041

Convert a basement - £37,959