Mansard loft conversion cost in W11
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 £51840 (Portobello Projects based in W11) to the dearest of around £52000 (OSHEA CONSTRUCTION LIMITED based in W10).
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 W11 by posting a job with HaMuch and we'll send it to extension builders in W11.
Estimates for common extension builder jobs in W11;
| Job | Estimate |
| Underpinning a house | £17388 |
| Build a two storey extension | £87832 |
| Build a timber frame extension | £25888 |
| Install a swimming pool | £80888 |
| Cost to build a single storey extension | £47760 |
| Cost to build a side return extension | £36240 |
| Install an RSJ | £2088 |
| Build an outbuilding | £9888 |
| Build a mansard loft conversion | £51888 |
| Cost of a loft conversion | £32700 |
| Build a kitchen extension | £41888 |
| Build a hip to gable loft conversion | £41888 |
| Build a granny annexe | £86888 |
| Build a garden office | £9888 |
| Convert a garage | £15888 |
| Build a flat roof extension | £21888 |
| Build a dormer loft conversion | £41888 |
| Lay a concrete foundation | £6138 |
| Convert a bungalow loft | £28888 |
| Basement conversion cost | £36240 |