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 £51840 (Peter Cox Ltd - Uxbridge based in UB8) to the dearest of around £52160 (Sula Construction based in UB4).
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 Hillingdon by posting a job with HaMuch and we'll send it to extension builders in Hillingdon.
Job | Estimate |
Underpinning a house | £17416 |
Build a two storey extension | £87875 |
Build a timber frame extension | £25916 |
Install a swimming pool | £80916 |
Cost to build a single storey extension | £48330 |
Cost to build a side return extension | £36560 |
Install an RSJ | £2116 |
Build an outbuilding | £9916 |
Build a mansard loft conversion | £51916 |
Cost of a loft conversion | £32967 |
Build a kitchen extension | £41916 |
Build a hip to gable loft conversion | £41916 |
Build a granny annexe | £86916 |
Build a garden office | £9916 |
Convert a garage | £15916 |
Build a new garage | £18416 |
Build a flat roof extension | £21916 |
Build a dormer loft conversion | £41916 |
Lay a concrete foundation | £6166 |
Convert a bungalow loft | £28916 |
Basement conversion cost | £36560 |