From £52,144
We are a small family run business with over 20 years experience in brickwork, bathroom/kitchen fitting, roofing, landscaping, fencing, tiling and ...
From £52,192
Trusted and professional extension builder in Ventnor. Experienced in all extension buildering work and keeping within budget and on quote. A W PAV...
From £51,824
Self employed in building industry for the past 20 years.
local reliable.
From £52,080
Devscapes is an established extension buildering business in Ventnor. We come highly recommended and provide competitive quotes for your work.
...From £51,344
Ventnor, PO38
I have been in these trades for over 30 years.
From £52,152
Relax... you have found a reliable extension builder in Ventnor. 3Lance Developments Limited is a friendly and reliable company based in Ventnor wh...
From £51,976
O NEILL CONSTRUCTION LTD is an established extension buildering business in Ventnor. We come highly recommended and provide competitive quotes for ...
From £52,200
Trusted and professional extension builder in Ventnor. Experienced in all extension buildering work and keeping within budget and on quote. Rowan S...
From £51,808
Need to find an Extension Builder near you for all your extension buildering work?
Island Renovations provides a local, trusted extension b...
From £51,968
Experienced extension builder ready to quote for your work. Shepperd Developments is the best extension builder in Ventnor. No obligation free quot...

Mansard loft conversions range from the cheapest installation of £51,344 (G A Headlam based in PO38) to the dearest of around £52,200 (Rowan Services based in PO40).
While these estimates give you a good idea how much you'll pay for a mansard loft conversion, the only way to get an accurate price is to get real quotes from real builders.
Get quotes to install a mansard loft conversion in Ventnor by posting a job with HaMuch and we'll send it to extension builders in Ventnor.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Isle of Wight | £34 | £246 |
| Build A Mansard Loft Conversion near Ryde | £34 | £255 |
| Build A Mansard Loft Conversion near Lee-on-the-Solent | £35 | £249 |
| Build A Mansard Loft Conversion near Gosport | £35 | £246 |
| Build A Mansard Loft Conversion near Portsmouth | £36 | £250 |
| Build A Mansard Loft Conversion near Fareham | £35 | £250 |
| Build A Mansard Loft Conversion near Locks Heath | £33 | £240 |
| Build A Mansard Loft Conversion near Havant & Waterloo | £35 | £248 |
| Build A Mansard Loft Conversion near Havant | £35 | £249 |
| Build A Mansard Loft Conversion 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