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double glazing for a house

My house has 8 wooden windows (sizes varies) and single wooden door. The sizes are listed as follows: Door: 196x79cm in HxW W1:157x180cm in HxW W2:76x180cm in HxW W3:283x138cm in HxW W4:76x138cm in HxW W5:156x138cm in HxW W6:238x138cm in HxW W7:234x178cm in HxW W8: 73x138cm in HxW I would like to replace them with double glazing windows and door. So First I would like to have a quote and see the cost is beyond my budget. I have attached some photos for your reference. Thanks H.Gao