Mansard loft conversions are ideal if you want to maximise the space in your home. Extending your roof out into a flat roof with an almost vertical wall, they almost always require planning permission but can add significant value to your home.
Mansard loft conversions range from the cheapest installation of £51,304 (Purdy build based in bt53) to the dearest of around £51,448 (SF Carpentry based in BT51).
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 Portrush by posting a job with HaMuch and we'll send it to extension builders in Portrush.

| Business name | Mansard loft conversion cost |
|---|---|
| purdy build, Antrim, bt53 | £51,304 |
| SF Carpentry, Londonderry, BT51 | £51,448 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Mansard Loft Conversion near Coleraine | £21 | £181 |
| Mansard Loft Conversion near Ballymoney | £18 | £163 |
| Mansard Loft Conversion near Dungiven | £21 | £179 |
| Mansard Loft Conversion near Strathfoyle | £20 | £166 |
| Mansard Loft Conversion near Londonderry | £20 | £166 |
| Mansard Loft Conversion near Newbuildings | £20 | £166 |