"BigWallop" wrote
| Some of these terraced builds have combined footings (foundations)
| and also shared loft spaces.

Shared loft spaces can also be a major security risk, especially if any
other house in the terrace is unoccupied or squatted, and can become
attractive to vermin. On the upside they may provide an escape route from
fire, through the loft and across into neighbouring houses.

Owain