Wants to cut a cat door in either glass door or window to the back yard.

Isis requested 2 quotes from Handymen in Surrey Hills

Wants to cut a cat door in either glass door or window to the back yard. Not sure of what size it should be.Would like advice on what size to go.

Install dog door
We need a dog door installed in the back door of house. We can either...

We need cat door installation on a glass window
cat door installation, we have ground to roof kind of window, we would like...

We need a dog door installed in the back door of our house.
The door is wooden. The dog is a Cavalier Spaniel, smallish breed.