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 £51440 (GJ Roofing based in KT14) to the dearest of around £51976 (Cannon Build Solutions based in GU1).
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 GU23 by posting a job with HaMuch and we'll send it to extension builders in GU23.
Job | Estimate |
Underpinning a house | £17398 |
Build a two storey extension | £87846 |
Build a timber frame extension | £25898 |
Install a swimming pool | £80898 |
Cost to build a single storey extension | £47952 |
Cost to build a side return extension | £36348 |
Install an RSJ | £2098 |
Build an outbuilding | £9898 |
Build a mansard loft conversion | £51898 |
Cost of a loft conversion | £32790 |
Build a kitchen extension | £41898 |
Build a hip to gable loft conversion | £41898 |
Build a granny annexe | £86898 |
Build a garden office | £9898 |
Convert a garage | £15898 |
Build a new garage | £18398 |
Build a flat roof extension | £21898 |
Build a dormer loft conversion | £41898 |
Lay a concrete foundation | £6148 |
Convert a bungalow loft | £28898 |
Basement conversion cost | £36348 |