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 £ ( based in ) to the dearest of around £ ( based in ).
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 Guernsey by posting a job with HaMuch and we'll send it to extension builders in Guernsey.
Job | Estimate |
Underpinning a house | £15500 |
Build a two storey extension | £85000 |
Build a timber frame extension | £24000 |
Install a swimming pool | £79000 |
Cost to build a single storey extension | £10000 |
Cost to build a side return extension | £15000 |
Install an RSJ | £200 |
Build an outbuilding | £8000 |
Build a mansard loft conversion | £50000 |
Cost of a loft conversion | £15000 |
Build a kitchen extension | £40000 |
Build a hip to gable loft conversion | £40000 |
Build a granny annexe | £85000 |
Build a garden office | £8000 |
Convert a garage | £14000 |
Build a new garage | £16500 |
Build a flat roof extension | £20000 |
Build a dormer loft conversion | £40000 |
Lay a concrete foundation | £4250 |
Convert a bungalow loft | £27000 |
Basement conversion cost | £15000 |