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 £51848 (Reconstruction based in E3) to the dearest of around £51944 (Sequoia Homes Ltd based in E15).
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 E15 by posting a job with HaMuch and we'll send it to extension builders in E15.
Job | Estimate |
Underpinning a house | £17406 |
Build a two storey extension | £87859 |
Build a timber frame extension | £25906 |
Install a swimming pool | £80906 |
Cost to build a single storey extension | £48118 |
Cost to build a side return extension | £36442 |
Install an RSJ | £2106 |
Build an outbuilding | £9906 |
Build a mansard loft conversion | £51906 |
Cost of a loft conversion | £32868 |
Build a kitchen extension | £41906 |
Build a hip to gable loft conversion | £41906 |
Build a granny annexe | £86906 |
Build a garden office | £9906 |
Convert a garage | £15906 |
Build a new garage | £18406 |
Build a flat roof extension | £21906 |
Build a dormer loft conversion | £41906 |
Lay a concrete foundation | £6156 |
Convert a bungalow loft | £28906 |
Basement conversion cost | £36442 |