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 £51040 (GOLDSTAR CONSTRUCTION based in TR16) to the dearest of around £51600 (LHG Home Improvements based in TR15).
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 Helston by posting a job with HaMuch and we'll send it to extension builders in Helston.
Job | Estimate |
Underpinning a house | £16901 |
Build a two storey extension | £87102 |
Build a timber frame extension | £25401 |
Install a swimming pool | £80401 |
Cost to build a single storey extension | £38027 |
Cost to build a side return extension | £30765 |
Install an RSJ | £1601 |
Build an outbuilding | £9401 |
Build a mansard loft conversion | £51401 |
Cost of a loft conversion | £28138 |
Build a kitchen extension | £41401 |
Build a hip to gable loft conversion | £41401 |
Build a granny annexe | £86401 |
Build a garden office | £9401 |
Convert a garage | £15401 |
Build a new garage | £17901 |
Build a flat roof extension | £21401 |
Build a dormer loft conversion | £41401 |
Lay a concrete foundation | £5651 |
Convert a bungalow loft | £28401 |
Basement conversion cost | £30765 |