Many of the "over and under" houses or "double decker" or “top and bottom” houses in Hebden Bridge are legally referred to as "flying freeholds". Wikipedia describes them as:
Flying freehold is an English legal term to describe a freehold which…
1962. Salem Methodist Chapel on Market Street opposite Hangingroyd Road. Built in 1885 it was demolished in 1973 and replaced by the present Methodist Church.