Staying Safe In Manchester.....
ChatterBank0 min ago
No best answer has yet been selected by raguvun. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.If you find their point of entry - under a door, through an airbrick etc. I've always found a line of ant powder effective.
There is also a brilliant liquid poison you can buy in a small tube. Ants love it and eat it as food, then take it back to the nest which is a permanent solution. (The name of it is similar to a Japanese airline as I can't post the name !)