Mansard loft conversion cost in Sunbury-on-thames
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 (Scott's Gardens based in TW13) to the dearest of around £52800 (AMWEB PROPERTY SERVICES based in TW16).
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 Sunbury-on-thames by posting a job with HaMuch and we'll send it to extension builders in Sunbury-on-thames.
Estimates for common extension builder jobs in Sunbury-on-thames;
| Job | Estimate |
| Underpinning a house | £17412 |
| Build a two storey extension | £87868 |
| Build a timber frame extension | £25912 |
| Install a swimming pool | £80912 |
| Cost to build a single storey extension | £48240 |
| Cost to build a side return extension | £36510 |
| Install an RSJ | £2112 |
| Build an outbuilding | £9912 |
| Build a mansard loft conversion | £51912 |
| Cost of a loft conversion | £32925 |
| Build a kitchen extension | £41912 |
| Build a hip to gable loft conversion | £41912 |
| Build a granny annexe | £86912 |
| Build a garden office | £9912 |
| Convert a garage | £15912 |
| Build a new garage | £18412 |
| Build a flat roof extension | £21912 |
| Build a dormer loft conversion | £41912 |
| Lay a concrete foundation | £6162 |
| Convert a bungalow loft | £28912 |
| Basement conversion cost | £36510 |