Mansard loft conversion cost in W9
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 £51520 (Antika Construction based in NW8) to the dearest of around £51944 (Blue based in NW6).
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 W9 by posting a job with HaMuch and we'll send it to extension builders in W9.
Estimates for common extension builder jobs in W9;
| Job | Estimate |
| Underpinning a house | £17369 |
| Build a two storey extension | £87804 |
| Build a timber frame extension | £25869 |
| Install a swimming pool | £80869 |
| Cost to build a single storey extension | £47389 |
| Cost to build a side return extension | £36031 |
| Install an RSJ | £2069 |
| Build an outbuilding | £9869 |
| Build a mansard loft conversion | £51869 |
| Cost of a loft conversion | £32526 |
| Build a kitchen extension | £41869 |
| Build a hip to gable loft conversion | £41869 |
| Build a granny annexe | £86869 |
| Build a garden office | £9869 |
| Convert a garage | £15869 |
| Build a new garage | £18369 |
| Build a flat roof extension | £21869 |
| Build a dormer loft conversion | £41869 |
| Lay a concrete foundation | £6119 |
| Convert a bungalow loft | £28869 |
| Basement conversion cost | £36031 |