https://burns-small.mdwrite.ne....t/cat-flap-installat
Consider installing a cat flap on a upvc panel door in order to let your pet go inside and out of the home without worrying that they'll leave unwelcome "gifts". This is cheaper than replacing the whole door and easier to install. While it is possible to put a cat flap in your own uPVC door, you need to be aware that this is a challenging job that could result in costly errors. Easy to install If you have a dog or cat living in your home, it's important to allow them in and out of your home