Mansard loft conversion cost in SE1
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 £51280 (I & K Builders Ltd based in SE16) to the dearest of around £51944 (Stanrock Building Services Ltd based in se1).
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 SE1 by posting a job with HaMuch and we'll send it to extension builders in SE1.
Estimates for common extension builder jobs in SE1;
| Job | Estimate |
| Underpinning a house | £17366 |
| Build a two storey extension | £87799 |
| Build a timber frame extension | £25866 |
| Install a swimming pool | £80866 |
| Cost to build a single storey extension | £47325 |
| Cost to build a side return extension | £35995 |
| Install an RSJ | £2066 |
| Build an outbuilding | £9866 |
| Build a mansard loft conversion | £51866 |
| Cost of a loft conversion | £32496 |
| Build a kitchen extension | £41866 |
| Build a hip to gable loft conversion | £41866 |
| Build a granny annexe | £86866 |
| Build a garden office | £9866 |
| Convert a garage | £15866 |
| Build a new garage | £18366 |
| Build a flat roof extension | £21866 |
| Build a dormer loft conversion | £41866 |
| Lay a concrete foundation | £6116 |
| Convert a bungalow loft | £28866 |
| Basement conversion cost | £35995 |