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If you want to install a pet flap on your uPVC door or glass panel, you'll require the help of an experienced cat flap fitter. They can also help with more sophisticated models such as microchip pet flaps. DIY attempts to install a pet flap can often lead to problems such as draughts or low energy efficiency. A professional tradesperson can spare you the hassle and expense of dealing with these problems. Cost The cost of installing a cat flap will be affected by a variety of factors. The kind of flap you pick as well as the area you