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 £2,224
Experienced extension builder ready to quote for your work. LYME BAY BUILDING CO LTD is the best extension builder in EX13. No obligation free quot...
From £2,688
Trusted and professional extension builder in EX13. Experienced in all extension buildering work and keeping within budget and on quote. Mew Develo...
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 £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 £2,336
Need to find an Extension Builder near you for all your extension buildering work?
Allen and Woodard Building Contractors Limited provides ...
From £2,384
Experienced extension builder ready to quote for your work. WILD CONSTRUCTION LTD is the best extension builder in EX13. No obligation free quotes ...
From £1,920
Relax... you have found a reliable extension builder in EX13. Chris Field General Builder is a friendly and reliable company based in EX13 who cons...
From £2,328
STONEWALK CONSTRUCTION LTD is an established and experienced local extension builder in EX13. Please contact us for a free, no obligation quote and...
From £2,328
M J MUDFORD BUILDG CONTRACTOR is a trusted extension builder serving customers in EX13 and the surrounding area. Contact us to today to get a compe...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EX13 it ranges from £1,920 (Chris Field General Builder based in EX11) 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 EX13 by posting a job with HaMuch and we will send it to extension builders in EX13.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near East Devon | £27 | £221 |
| Install An RSJ near Taunton | £31 | £242 |
| Install An RSJ near Yeovil | £34 | £294 |
| Install An RSJ near Exmouth | £24 | £210 |
| Install An RSJ near South Somerset | £62 | £270 |
| Install An RSJ near Tiverton | £25 | £202 |
| Install An RSJ near Bridgwater | £30 | £236 |
| Install An RSJ near Exeter | £27 | £221 |
| Install An RSJ near Dorchester | £30 | £230 |
| Install An RSJ near Weymouth | £33 | £260 |
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 - £17,573

Two storey extension - £88,109

Build a timber frame extension - £26,073

Build a swimming pool - £81,073

Single storey extension - £56,456

Side return extension - £42,319

Install an RSJ - £2,273

Outbuilding - £10,073

Build a Mansard loft conversion - £52,073

Loft conversion - £34,433

Build a kitchen extension - £42,073

Hip to gable loft conversion - £42,073

Granny annexe - £87,073

Garden office - £10,073

Convert a Garage - £16,073

Garage - £18,573

Build a flat roof extension - £22,073

Build a dormer loft conversion - £42,073

Concrete foundations - £6,323

Convert a bungalow loft - £29,073

Convert a basement - £38,319