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 (David gough based in GL7) to the dearest of around £51792 (T&B Development based in SN14).
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 Malmesbury by posting a job with HaMuch and we'll send it to extension builders in Malmesbury.
Job | Estimate |
Underpinning a house | £17178 |
Build a two storey extension | £87518 |
Build a timber frame extension | £25678 |
Install a swimming pool | £80678 |
Cost to build a single storey extension | £43568 |
Cost to build a side return extension | £33882 |
Install an RSJ | £1878 |
Build an outbuilding | £9678 |
Build a mansard loft conversion | £51678 |
Cost of a loft conversion | £30735 |
Build a kitchen extension | £41678 |
Build a hip to gable loft conversion | £41678 |
Build a granny annexe | £86678 |
Build a garden office | £9678 |
Convert a garage | £15678 |
Build a new garage | £18178 |
Build a flat roof extension | £21678 |
Build a dormer loft conversion | £41678 |
Lay a concrete foundation | £5928 |
Convert a bungalow loft | £28678 |
Basement conversion cost | £33882 |