Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £52,168
MJP Building Services are here to help customers who need an Extension Builder in PO37. We offer a competitive rate to complete all your extension ...
From £51,832
Diamond Wight Building is an established and experienced local extension builder in PO37. Please contact us for a free, no obligation quote and com...
From £52,000
With an interest in architecture and interior design I’ve always enjoyed being creative with RAW materials and building something different.Havin...

Mansard loft conversions range from the cheapest installation of £51,344 (G A Headlam based in PO38) to the dearest of around £52,168 (MJP Building Services based in PO38).
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 PO37 by posting a job with HaMuch and we'll send it to extension builders in PO37.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Mansard Loft Conversion near Ryde | £34 | £255 |
| Build A Mansard Loft Conversion near Isle of Wight | £34 | £246 |
| Build A Mansard Loft Conversion near Gosport | £35 | £246 |
| Build A Mansard Loft Conversion near Lee-on-the-Solent | £35 | £249 |
| 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 - £17,319

Two storey extension - £87,728

Build a timber frame extension - £25,819

Build a swimming pool - £80,819

Single storey extension - £51,373

Side return extension - £39,460

Install an RSJ - £2,019

Outbuilding - £9,819

Build a Mansard loft conversion - £51,819

Loft conversion - £32,050

Build a kitchen extension - £41,819

Hip to gable loft conversion - £41,819

Granny annexe - £86,819

Garden office - £9,819

Convert a Garage - £15,819

Garage - £18,319

Build a flat roof extension - £21,819

Build a dormer loft conversion - £41,819

Concrete foundations - £6,069

Convert a bungalow loft - £28,819

Convert a basement - £35,460