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If you want to install a pet flap inside your uPVC door or glass panel, you'll require the services of an expert cat flap fitter. They can also assist you with more advanced models, such as microchip pet flaps. DIY attempts to install a pet flap often result in problems like draughts or low energy efficiency. Professional tradespeople can save you from the hassle and cost of dealing with these problems. Cost There are a number of factors that influence the cost of installing a cat flap. The type of flap you choose and the type of surface you wish to