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Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £42,168
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 £41,832
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 £42,000
With an interest in architecture and interior design I’ve always enjoyed being creative with RAW materials and building something different.Havin...

In PO37, prices for dormer loft conversions range from £41,344 (G A Headlam based in PO38) to £42,168 (MJP Building Services based in PO38), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in PO37. Post your job on HaMuch now and we'll put you in touch with available extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Dormer Loft Conversion near Ryde | £34 | £255 |
| Build A Dormer Loft Conversion near Isle of Wight | £34 | £246 |
| Build A Dormer Loft Conversion near Gosport | £35 | £246 |
| Build A Dormer Loft Conversion near Lee-on-the-Solent | £35 | £249 |
| Build A Dormer Loft Conversion near Portsmouth | £36 | £250 |
| Build A Dormer Loft Conversion near Fareham | £35 | £250 |
| Build A Dormer Loft Conversion near Locks Heath | £33 | £240 |
| Build A Dormer Loft Conversion near Havant & Waterloo | £35 | £248 |
| Build A Dormer Loft Conversion near Havant | £35 | £249 |
| Build A Dormer 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