Only in roosts [1]. Outside of roosts it is not an issue. It is an offence to enter a known roost without a licensed bat worker, and a separate license is needed for flash photography in a roost.
And a third license [2] is needed for keeping dead bats.
These are not roosting. We are well aware of the law and stay within it.
..d
[1] Including hibernacula
[2] Which I have.