I need to install a cat flap in my UPVC door, but I'm not sure what the best way to go about this would be because there's a drop to the outside. Is it possible to have the cat flap be at the very bottom of the door, rather than within the panelling in the middle? I'd like to avoid having a step for the cat outside because I know I'd just trip over it.
I don't mind if it looks odd, just trying to find out what's possible. Thank you!