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You'll need to hire a cat flap installer if you want to install a pet door in your uPVC or glass panel. They can also assist you with more advanced models, such as microchip pet flaps. DIY attempts to install a pet flap can often lead to issues like draughts and low energy efficiency. A professional tradesperson will save you the headache and expense of dealing with these problems. Cost There are a variety of factors that affect the cost of installing a cat flap. The t