Alan Hicks
Need to find an Extension Builder near you for all your extension buildering work?
A G Hicks Building Services provides a local, trusted ex...
Duston, NN5
Need to find an Extension Builder near you for all your extension buildering work?
Picking your Local Builder provides a local, trusted ext...
Need to find an Extension Builder near you for all your extension buildering work?
THE DEARN BUILDING GROUP LTD provides a local, trusted e...
Trusted and professional extension builder in Duston. Experienced in all extension buildering work and keeping within budget and on quote. Northant...
Walsh Builders Ltd is an established and experienced local extension builder in Duston. Please contact us for a free, no obligation quote and compe...
M Home Renovations is an established extension buildering business in Duston. We come highly recommended and provide competitive quotes for your wo...
Need an Extension Builder in Duston? Twelftree Builders has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
Relax... you have found a reliable extension builder in Duston. Wright Building is a friendly and reliable company based in Duston who consider no ...
Need an Extension Builder in Duston? DAB & K&G Building Services has been helping local clients (20 mile radius) with their extension buildering jo...
Samrai Associates was founded by Hars Samrai in Northampton in order to provide clients with a prompt and robust Architectural Service. Over time m...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Duston it ranges from £1,744 (A G Hicks Building Services based in NN3) to £2,448 (Samrai Associates Limited based in NN3).
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 Duston by posting a job with HaMuch and we will send it to extension builders in Duston.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Northampton | £35 | £239 |
| Install An RSJ near Wellingborough | £39 | £251 |
| Install An RSJ near Daventry | £31 | £230 |
| Install An RSJ near Kettering | £34 | £237 |
| Install An RSJ near Rushden | £34 | £231 |
| Install An RSJ near Milton Keynes | £39 | £263 |
| Install An RSJ near Market Harborough | £31 | £217 |
| Install An RSJ near Rugby | £31 | £224 |
| Install An RSJ near Bletchley | £39 | £265 |
| Install An RSJ near Corby | £30 | £214 |
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 - £17,388

Two storey extension - £87,832

Build a timber frame extension - £25,888

Build a swimming pool - £80,888

Single storey extension - £52,760

Side return extension - £40,240

Install an RSJ - £2,088

Outbuilding - £9,888

Build a Mansard loft conversion - £51,888

Loft conversion - £32,700

Build a kitchen extension - £41,888

Hip to gable loft conversion - £41,888

Granny annexe - £86,888

Garden office - £9,888

Convert a Garage - £15,888

Garage - £18,388

Build a flat roof extension - £21,888

Build a dormer loft conversion - £41,888

Concrete foundations - £6,138

Convert a bungalow loft - £28,888

Convert a basement - £36,240