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If you're planning to install a pet flap inside your uPVC door or glass panel, then you'll need the help of an experienced cat flap fitting expert. They can also help you with more advanced models, such as microchip pet flaps. DIY attempts to install a pet flap can often result in problems such as draughts or low energy efficiency. A professional tradesperson can save you the trouble and expense of dealing with these problems. Cost The cost of installing a cat flap could be affected by a variety of factors. The price can be determine