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You'll need to hire a cat flap installer for installing an animal door on your uPVC or glass panel. They can also help with more sophisticated models, such as microchip pet flaps. DIY attempts to install a pet flap often lead to issues like draughts and low energy efficiency. Professional tradespeople can spare you from the hassle and cost of dealing with these issues. Cost There are a variety of factors that can affect the price of installing a cat flap. The cost can be affected by the type of flap, the surface that you