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 £51856 (Proxile Solutions Limited based in TW15) to the dearest of around £51960 (Assent Construction based in Tw15).
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 Spelthorne by posting a job with HaMuch and we'll send it to extension builders in Spelthorne.
Job | Estimate |
Underpinning a house | £17410 |
Build a two storey extension | £87866 |
Build a timber frame extension | £25910 |
Install a swimming pool | £80910 |
Cost to build a single storey extension | £48208 |
Cost to build a side return extension | £36492 |
Install an RSJ | £2110 |
Build an outbuilding | £9910 |
Build a mansard loft conversion | £51910 |
Cost of a loft conversion | £32910 |
Build a kitchen extension | £41910 |
Build a hip to gable loft conversion | £41910 |
Build a granny annexe | £86910 |
Build a garden office | £9910 |
Convert a garage | £15910 |
Build a new garage | £18410 |
Build a flat roof extension | £21910 |
Build a dormer loft conversion | £41910 |
Lay a concrete foundation | £6160 |
Convert a bungalow loft | £28910 |
Basement conversion cost | £36492 |