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 £50960 (P K BUILDING based in TA8) to the dearest of around £52240 (WMP Builders based in TA9).
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 BS23 by posting a job with HaMuch and we'll send it to extension builders in BS23.
Job | Estimate |
Underpinning a house | £17171 |
Build a two storey extension | £87506 |
Build a timber frame extension | £25671 |
Install a swimming pool | £80671 |
Cost to build a single storey extension | £43414 |
Cost to build a side return extension | £33796 |
Install an RSJ | £1871 |
Build an outbuilding | £9671 |
Build a mansard loft conversion | £51671 |
Cost of a loft conversion | £30663 |
Build a kitchen extension | £41671 |
Build a hip to gable loft conversion | £41671 |
Build a granny annexe | £86671 |
Build a garden office | £9671 |
Convert a garage | £15671 |
Build a new garage | £18171 |
Build a flat roof extension | £21671 |
Build a dormer loft conversion | £41671 |
Lay a concrete foundation | £5921 |
Convert a bungalow loft | £28671 |
Basement conversion cost | £33796 |