It was a B and B and then was up for sale along with an equestrian centre, full info here including how it came into being
All aboard the watchtower - Telegraph
but oddly it says ( See quote), so I presume they are renting it now and it cannot be used as a family home. I do not think after a session my eyes would cope with the bathroom in the morning though
To satisfy planners, it had to be run as a business, and much of the building is given over to bed and breakfast accommodation. According to planning regulations, any new owner will also have to run a business from the property. Next to the tower, the Leas built stables and an arena, and fenced off paddocks, which operate as a livery yard for 25 horses