Date of Observation
Roost Details
Give specific details on the location e.g. is it in the attic, under roof tiles, inside the building, in a tree hole, underneath bark of a tree:

In an old mill. Old bat droppings were found under high beams in the roof space. Lots of potential roosting places and exit holes.

Where is the Roost
How do you know it's a Bat Roost
Seen Bat Droppings
Do you know what Species use the Roost

No. But possibly Daubentons as they have been seen flying around.

Do you have sound files of recorded Bats
How did you hear about BatMapper?: -radio -tv -newspaper -online news -social media - other (please give details)
its me