Flying bat at our summerhouse

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:

I think they live in our house at attic/roof

Where is the Roost
House / Cabin
How long has it been used by Bats
>10 Years
How many Bats use this Roost approximately
Do you know what Species use the Roost

No, I just see them flying around the house

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)