Mice under floorboards :(

[Cuchulain]

I say mice, from the noise it/they make it sounds more like rats. Every evening I can hear scratching/running from below the floorboards in my sons room, been happening for a week now and I'm at a loss as to how to deal with it.

I can't lift the floorboards, they're sanded/varnished and it's not at all practical so I can't put poison or traps down under the floor so I'm at a loss, without tearing up his floor what can I do?

Cheers.

 

[Cuchulain]

I have no idea if or how well they work but you can get electronic mouse/rat deterrents that you plug into a mains socket.

I've seen them, I assumed they were some kind of gimmick.

 

[Cuchulain]

you'll know about it if it were rats,its mice

personally id lift up a floorboard and lay some traps down,only way to get rid,if you put poison down they might eat it and scurry off to where you cant get them then smell as they decompose

Mice I can deal with, the thought of rats scurrying around under his floor freaks me out.

There are some tiny gaps around where the radiator pipes go through the floorboards, I could sprinkle some poison down there I guess, from what I've read the poison dehydrates them and forces them out to find water, which then kills them.