Ramsey has been working on the idea of developing a green gateway from Regents Park to Fitzroy Square.  Could it be a Bat Hotel for a Bat vacation?  Here are some of the initial images:

Map and distance between Regents Park and Fitzroy square.

This is the potential commuter rout the bats would take from Regents park to Fitzroy square.

This is a detail of an abstraction of flight paths as bats move from the main roost to other smaller roost areas.