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Trusted and professional extension builder in Denver. Experienced in all extension buildering work and keeping within budget and on quote. ANDREW R...
Trusted and professional extension builder in Denver. Experienced in all extension buildering work and keeping within budget and on quote. WEST NOR...
From £1,944
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,072
Oakenshield Construction Ltd is an established and experienced local extension builder in Denver. Please contact us for a free, no obligation quote...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Denver it ranges from £1,920 (WEST NORFOLK CONSTRUCTION LTD based in PE33) to £2,160 (ANDREW RUST BUILDING CONTRACTO based in PE34).
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 Denver by posting a job with HaMuch and we will send it to extension builders in Denver.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Wisbech | £34 | £255 |
| Install An RSJ near King's Lynn | £33 | £254 |
| Install An RSJ near Kings Lynn & West Norfolk | £31 | £238 |
| Install An RSJ near Ely | £40 | £279 |
| Install An RSJ near Breckland | £28 | £248 |
| Install An RSJ near Thetford | £42 | £277 |
| Install An RSJ near Dereham | £25 | £203 |
| Install An RSJ near Spalding | £32 | £238 |
| Install An RSJ near Peterborough | £40 | £281 |
| Install An RSJ near Bury St Edmunds | £34 | £251 |
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 - £17,324

Two storey extension - £87,736

Build a timber frame extension - £25,824

Build a swimming pool - £80,824

Single storey extension - £51,480

Side return extension - £39,520

Install an RSJ - £2,024

Outbuilding - £9,824

Build a Mansard loft conversion - £51,824

Loft conversion - £32,100

Build a kitchen extension - £41,824

Hip to gable loft conversion - £41,824

Granny annexe - £86,824

Garden office - £9,824

Convert a Garage - £15,824

Garage - £18,324

Build a flat roof extension - £21,824

Build a dormer loft conversion - £41,824

Concrete foundations - £6,074

Convert a bungalow loft - £28,824

Convert a basement - £35,520