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 (Pillar Contractors Ltd based in W1K) to the dearest of around £52400 (A1&PM based in W1H).
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 Mayfair by posting a job with HaMuch and we'll send it to extension builders in Mayfair.
Job | Estimate |
Underpinning a house | £17423 |
Build a two storey extension | £87884 |
Build a timber frame extension | £25923 |
Install a swimming pool | £80923 |
Cost to build a single storey extension | £48458 |
Cost to build a side return extension | £36632 |
Install an RSJ | £2123 |
Build an outbuilding | £9923 |
Build a mansard loft conversion | £51923 |
Cost of a loft conversion | £33027 |
Build a kitchen extension | £41923 |
Build a hip to gable loft conversion | £41923 |
Build a granny annexe | £86923 |
Build a garden office | £9923 |
Convert a garage | £15923 |
Build a new garage | £18423 |
Build a flat roof extension | £21923 |
Build a dormer loft conversion | £41923 |
Lay a concrete foundation | £6173 |
Convert a bungalow loft | £28923 |
Basement conversion cost | £36632 |