From £2,344
We are a small family run business with over 20 years experience in brickwork, bathroom/kitchen fitting, roofing, landscaping, fencing, tiling and ...
From £2,392
Trusted and professional extension builder in Ventnor. Experienced in all extension buildering work and keeping within budget and on quote. A W PAV...
From £2,024
Self employed in building industry for the past 20 years.
local reliable.
From £2,280
Devscapes is an established extension buildering business in Ventnor. We come highly recommended and provide competitive quotes for your work.
...From £1,544
Ventnor, PO38
I have been in these trades for over 30 years.
From £2,352
Relax... you have found a reliable extension builder in Ventnor. 3Lance Developments Limited is a friendly and reliable company based in Ventnor wh...
From £2,176
O NEILL CONSTRUCTION LTD is an established extension buildering business in Ventnor. We come highly recommended and provide competitive quotes for ...
From £2,400
Trusted and professional extension builder in Ventnor. Experienced in all extension buildering work and keeping within budget and on quote. Rowan S...
From £2,008
Need to find an Extension Builder near you for all your extension buildering work?
Island Renovations provides a local, trusted extension b...
From £2,168
Experienced extension builder ready to quote for your work. Shepperd Developments is the best extension builder in Ventnor. No obligation free quot...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Ventnor it ranges from £1,544 (G A Headlam based in PO38) to £2,400 (Rowan Services based in PO40).
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 Ventnor by posting a job with HaMuch and we will send it to extension builders in Ventnor.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Isle of Wight | £34 | £246 |
| Install An RSJ near Ryde | £34 | £255 |
| Install An RSJ near Lee-on-the-Solent | £35 | £249 |
| Install An RSJ near Gosport | £35 | £246 |
| Install An RSJ near Portsmouth | £36 | £250 |
| Install An RSJ near Fareham | £35 | £250 |
| Install An RSJ near Locks Heath | £33 | £240 |
| Install An RSJ near Havant & Waterloo | £35 | £248 |
| Install An RSJ near Havant | £35 | £249 |
| Install An RSJ near Waterlooville | £36 | £250 |
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 - £17,469

Two storey extension - £87,953

Build a timber frame extension - £25,969

Build a swimming pool - £80,969

Single storey extension - £54,376

Side return extension - £41,149

Install an RSJ - £2,169

Outbuilding - £9,969

Build a Mansard loft conversion - £51,969

Loft conversion - £33,458

Build a kitchen extension - £41,969

Hip to gable loft conversion - £41,969

Granny annexe - £86,969

Garden office - £9,969

Convert a Garage - £15,969

Garage - £18,469

Build a flat roof extension - £21,969

Build a dormer loft conversion - £41,969

Concrete foundations - £6,219

Convert a bungalow loft - £28,969

Convert a basement - £37,149