Mansard loft conversion cost in B21
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 £50960 (FIVE OAKS BUILDING LTD based in DY4) to the dearest of around £52800 (TG Building Services & Son based in B71).
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 B21 by posting a job with HaMuch and we'll send it to extension builders in B21.
Estimates for common extension builder jobs in B21;
| Job | Estimate |
| Underpinning a house | £17124 |
| Build a two storey extension | £87436 |
| Build a timber frame extension | £25624 |
| Install a swimming pool | £80624 |
| Cost to build a single storey extension | £42486 |
| Cost to build a side return extension | £33274 |
| Install an RSJ | £1824 |
| Build an outbuilding | £9624 |
| Build a mansard loft conversion | £51624 |
| Cost of a loft conversion | £30228 |
| Build a kitchen extension | £41624 |
| Build a hip to gable loft conversion | £41624 |
| Build a granny annexe | £86624 |
| Build a garden office | £9624 |
| Convert a garage | £15624 |
| Build a new garage | £18124 |
| Build a flat roof extension | £21624 |
| Build a dormer loft conversion | £41624 |
| Lay a concrete foundation | £5874 |
| Convert a bungalow loft | £28624 |
| Basement conversion cost | £33274 |