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 £51848 (Venta Construction based in EC1Y) to the dearest of around £51944 (London Roof Gardens based in EC3V).
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 Broadgate by posting a job with HaMuch and we'll send it to extension builders in Broadgate.
Job | Estimate |
Underpinning a house | £17397 |
Build a two storey extension | £87846 |
Build a timber frame extension | £25897 |
Install a swimming pool | £80897 |
Cost to build a single storey extension | £47946 |
Cost to build a side return extension | £36344 |
Install an RSJ | £2097 |
Build an outbuilding | £9897 |
Build a mansard loft conversion | £51897 |
Cost of a loft conversion | £32787 |
Build a kitchen extension | £41897 |
Build a hip to gable loft conversion | £41897 |
Build a granny annexe | £86897 |
Build a garden office | £9897 |
Convert a garage | £15897 |
Build a new garage | £18397 |
Build a flat roof extension | £21897 |
Build a dormer loft conversion | £41897 |
Lay a concrete foundation | £6147 |
Convert a bungalow loft | £28897 |
Basement conversion cost | £36344 |