Mansard loft conversion cost in St Helens
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 (Liverpool Direct Builders based in L14) to the dearest of around £52100 (Aurora Building company ltd based in L12).
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 St Helens by posting a job with HaMuch and we'll send it to extension builders in St Helens.
Estimates for common extension builder jobs in St Helens;
| Job | Estimate |
| Underpinning a house | £17064 |
| Build a two storey extension | £87346 |
| Build a timber frame extension | £25564 |
| Install a swimming pool | £80564 |
| Cost to build a single storey extension | £41280 |
| Cost to build a side return extension | £32595 |
| Install an RSJ | £1764 |
| Build an outbuilding | £9564 |
| Build a mansard loft conversion | £51564 |
| Cost of a loft conversion | £29663 |
| Build a kitchen extension | £41564 |
| Build a hip to gable loft conversion | £41564 |
| Build a granny annexe | £86564 |
| Build a garden office | £9564 |
| Convert a garage | £15564 |
| Build a flat roof extension | £21564 |
| Build a dormer loft conversion | £41564 |
| Lay a concrete foundation | £5814 |
| Convert a bungalow loft | £28564 |
| Basement conversion cost | £32595 |