Cat spraying in my house

[CountTessa]

I don't think it's my cat, I think it's a black and white cat from down the road, what can I do to stop it. He comes in through the cat flap. Suppose it could be mine.

But it's stinky and I don't know how to solve the problem. I have tried spraying the area with a behaviour spray but that doesn't seem to be helping.

Get a cat flap that only lets your own cat in via its microchip

They cost around about £70 but it's the only way, IME

BTW, it could be your cat, because s/he might be stressed about the other cat getting in. Either way, microchip cat flap and maybe spray the other cat with water, and put Feliway in your house.

Yes I recognise it could be mine. He's been spayed.

They can still spray even though they've been done.

Microchip cat flap,we'd have the whole neighbourhood's cats in without it