Mildred and George: Lovely, Aren't They?

George Roper and his wife Mildred have to leave their home in South Kensington when they receive a compulsory purchase order.
They move to an executive housing estate in Hampton Wick, Middlesex, where their new next-door neighbours are estate agent Jeffrey Fourmile, his wife Ann and their son Tristram.

Can you describe the characters? What is your opinion after watching this episode?