Need to find an Extension Builder near you for all your extension buildering work?
A B Building Roofing Services provides a local, trusted ...
Need to find an Extension Builder near you for all your extension buildering work?
SMM Property Services provides a local, trusted extensio...
Barry H
Trusted and professional extension builder in Alfreton. Experienced in all extension buildering work and keeping within budget and on quote. COMPLE...
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Relax... you have found a reliable extension builder in Alfreton. MTD Brickwork Ltd is a friendly and reliable company based in Alfreton who consid...
Alfreton, DE55
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Anthony Sharp
We are a local building company serving the amber valley area working to a high class o...
Garry Jones Bricklayer are here to help customers who need an Extension Builder in Alfreton. We offer a competitive rate to complete all your exten...
Jonathan Petch
Acorn Builders is an established extension buildering business in Alfreton. We come highly recommended and provide competitive quotes for your wor...
A Thompson Joinery & Building is a trusted extension builder serving customers in Alfreton and the surrounding area. Contact us to today to get a c...
Trusted and professional extension builder in Alfreton. Experienced in all extension buildering work and keeping within budget and on quote. Lewis ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Alfreton it ranges from £1,672 (A p sharp building services based in DE5) to £4,280 (Acorn Builders based in NG17).
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 Alfreton by posting a job with HaMuch and we will send it to extension builders in Alfreton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Alfreton | £34 | £261 |
| Install An RSJ near Ripley | £32 | £246 |
| Install An RSJ near Kirkby-in-Ashfield | £34 | £269 |
| Install An RSJ near Ashfield | £34 | £269 |
| Install An RSJ near Sutton-in-Ashfield | £33 | £264 |
| Install An RSJ near Heanor | £31 | £236 |
| Install An RSJ near Belper | £32 | £244 |
| Install An RSJ near Amber Valley | £32 | £244 |
| Install An RSJ near Hucknall | £35 | £258 |
| Install An RSJ near Mansfield | £33 | £261 |
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 - £17,801

Two storey extension - £88,451

Build a timber frame extension - £26,301

Build a swimming pool - £81,301

Single storey extension - £61,016

Side return extension - £44,884

Install an RSJ - £2,501

Outbuilding - £10,301

Build a Mansard loft conversion - £52,301

Loft conversion - £36,570

Build a kitchen extension - £42,301

Hip to gable loft conversion - £42,301

Granny annexe - £87,301

Garden office - £10,301

Convert a Garage - £16,301

Garage - £18,801

Build a flat roof extension - £22,301

Build a dormer loft conversion - £42,301

Concrete foundations - £6,551

Convert a bungalow loft - £29,301

Convert a basement - £40,884