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 (OCC Construction based in NE10) to the dearest of around £52480 (John Barrett Joiner Builder based in NE37).
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 SR5 by posting a job with HaMuch and we'll send it to extension builders in SR5.
Job | Estimate |
Underpinning a house | £17213 |
Build a two storey extension | £87569 |
Build a timber frame extension | £25713 |
Install a swimming pool | £80713 |
Cost to build a single storey extension | £44259 |
Cost to build a side return extension | £34271 |
Install an RSJ | £1913 |
Build an outbuilding | £9713 |
Build a mansard loft conversion | £51713 |
Cost of a loft conversion | £31059 |
Build a kitchen extension | £41713 |
Build a hip to gable loft conversion | £41713 |
Build a granny annexe | £86713 |
Build a garden office | £9713 |
Convert a garage | £15713 |
Build a new garage | £18213 |
Build a flat roof extension | £21713 |
Build a dormer loft conversion | £41713 |
Lay a concrete foundation | £5963 |
Convert a bungalow loft | £28713 |
Basement conversion cost | £34271 |