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How much should we worry about mice in a flat? How worried would you be if you saw one?
We definitely had mice last August (I saw one). The next time there was evidence was a chewed rubbish bag that hadn't been taken down (November time). Then suddenly one has been spotted twice today (or two different mice have been spotted).
My attitude is "meh, we've probably been living with them for at leat 8 months and nothing bad has happened!" My housemate is worried.
I don't think they can get into the cupboards (but may look for evidence of this). We're in a second floor flat and it's possible next door is empty so it may be hard to get rid of them. Last year housemates tried putting down some traps but didn't catch anything.