Yes, had mice too - every flat in our building did. It's a case of having to treat the whole property not just one flat. We tried various types of traps but the blighters always got back in. The final nail in their coffin was the impending arrival of our child. The thought of mouse poo and urine over the baby's bottles, steriliser (what's the point if you have mice pissing every where??), toys etc was just too disgusting to think about. So we got in Colin from K&O pest control - no mice since! Reasonable price, too.