Mansard loft conversion cost in W12
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 £51832 (JNJ Building Services Ltd based in W12) 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 W12 by posting a job with HaMuch and we'll send it to extension builders in W12.
Estimates for common extension builder jobs in W12;
| Job | Estimate |
| Underpinning a house | £17407 |
| Build a two storey extension | £87860 |
| Build a timber frame extension | £25907 |
| Install a swimming pool | £80907 |
| Cost to build a single storey extension | £48131 |
| Cost to build a side return extension | £36449 |
| Install an RSJ | £2107 |
| Build an outbuilding | £9907 |
| Build a mansard loft conversion | £51907 |
| Cost of a loft conversion | £32874 |
| Build a kitchen extension | £41907 |
| Build a hip to gable loft conversion | £41907 |
| Build a granny annexe | £86907 |
| Build a garden office | £9907 |
| Convert a garage | £15907 |
| Build a new garage | £18407 |
| Build a flat roof extension | £21907 |
| Build a dormer loft conversion | £41907 |
| Lay a concrete foundation | £6157 |
| Convert a bungalow loft | £28907 |
| Basement conversion cost | £36449 |