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You'll need to hire an installer for your cat flap if you want to install a pet door in your uPVC or glass panel. They can also help you with more advanced models like microchip pet flaps. DIY efforts to put in pet flaps often fail and cause issues such as the possibility of draughts or low energy efficiency. A professional tradesperson can spare you the trouble and expense of tackling these issues. Cost There are a number of factors that can affect the cost of cat flap installation. can be affected by the kind of