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 (Jeet & jarmal based in SL1) to the dearest of around £51968 (Ani Mokashi based in SL4).
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 Windsor by posting a job with HaMuch and we'll send it to extension builders in Windsor.
Job | Estimate |
Underpinning a house | £17359 |
Build a two storey extension | £87789 |
Build a timber frame extension | £25859 |
Install a swimming pool | £80859 |
Cost to build a single storey extension | £47184 |
Cost to build a side return extension | £35916 |
Install an RSJ | £2059 |
Build an outbuilding | £9859 |
Build a mansard loft conversion | £51859 |
Cost of a loft conversion | £32430 |
Build a kitchen extension | £41859 |
Build a hip to gable loft conversion | £41859 |
Build a granny annexe | £86859 |
Build a garden office | £9859 |
Convert a garage | £15859 |
Build a flat roof extension | £21859 |
Build a dormer loft conversion | £41859 |
Lay a concrete foundation | £6109 |
Convert a bungalow loft | £28859 |
Basement conversion cost | £35916 |