Mouse update! Four mice dead. How many more can there be? Apparently they work in gangs of four, but I'm not convinced the battle is won yet.
A pest control bloke came along on Monday and laid down some more poison. We'd been using the stuff from the hardware shop, but apparently it's not as strong as the poison that pest control people use. It should kill mice pretty quickly, as long as they eat what's left for them, but they've told us to wait two weeks to see an effect. In the meantime, we're not meant to block any holes, for fear that we could keep any mice in the flat, unable to run back down through a gap in the floorboards. That's what happened on Sunday night – the mouse was hiding somewhere in the bedroom, leaped out when I was reading in bed and discovered he couldn't get back in the hole because it had been filled up. (I haven't had the courage to sleep in the bedroom yet and have spent the last two nights at a friend's house

) The pest control man said mice will lie in wait for hours until everything is quiet and they can scurry away to find food somewhere.
But that's all they're looking for. They'll go away if they can't find food... that's the theory.
The two mice that we (well, Alef) killed this week have been little ones. What we really need is another bigger one, a breeder we can kill off. (The first one killed was bigger – I'm hoping it was mummy.) They are so little they can walk over the multiple traps in the kitchen and not set them off
But I'm hoping the poison will take effect soon. I also bought one of those sonic repellents today to see if that works at all. Traps, ultrasound, poison – what more can I do?
The neighbours are having similar problems, so we're going down the pub tonight to discuss an extermination strategy
After that, I want some mouse-free days so I know there are none left in the house and we can fill in floorboard gaps and get a new carpet/underlay fitted to seal this place up as much as possible.