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 £51120 (Priwood Construction Ltd based in L21) to the dearest of around £52100 (Aurora Building company ltd based in L12).
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 Sefton by posting a job with HaMuch and we'll send it to extension builders in Sefton.
Job | Estimate |
Underpinning a house | £17034 |
Build a two storey extension | £87301 |
Build a timber frame extension | £25534 |
Install a swimming pool | £80534 |
Cost to build a single storey extension | £40685 |
Cost to build a side return extension | £32260 |
Install an RSJ | £1734 |
Build an outbuilding | £9534 |
Build a mansard loft conversion | £51534 |
Cost of a loft conversion | £29384 |
Build a kitchen extension | £41534 |
Build a hip to gable loft conversion | £41534 |
Build a granny annexe | £86534 |
Build a garden office | £9534 |
Convert a garage | £15534 |
Build a flat roof extension | £21534 |
Build a dormer loft conversion | £41534 |
Lay a concrete foundation | £5784 |
Convert a bungalow loft | £28534 |
Basement conversion cost | £32260 |