Mansard loft conversion cost in M23
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 £51200 (BEECHWOOD CONSTRUCTION based in SK2) to the dearest of around £52000 (Goldcrest Finance based in M3).
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 M23 by posting a job with HaMuch and we'll send it to extension builders in M23.
Estimates for common extension builder jobs in M23;
| Job | Estimate |
| Underpinning a house | £17103 |
| Build a two storey extension | £87404 |
| Build a timber frame extension | £25603 |
| Install a swimming pool | £80603 |
| Cost to build a single storey extension | £42051 |
| Cost to build a side return extension | £33029 |
| Install an RSJ | £1803 |
| Build an outbuilding | £9603 |
| Build a mansard loft conversion | £51603 |
| Cost of a loft conversion | £30024 |
| Build a kitchen extension | £41603 |
| Build a hip to gable loft conversion | £41603 |
| Build a granny annexe | £86603 |
| Build a garden office | £9603 |
| Convert a garage | £15603 |
| Build a new garage | £18103 |
| Build a flat roof extension | £21603 |
| Build a dormer loft conversion | £41603 |
| Lay a concrete foundation | £5853 |
| Convert a bungalow loft | £28603 |
| Basement conversion cost | £33029 |