70s - Are You Being Served, Fawlty Towers, Some Mothers Do 'Ave Em,
The Good Life
80s - Only Fools and Horses, Birds Of A Feather, Just Good Friends
90s - The Vicar Of Dibley, Men Behavng Badly, As Time Goes By, Waiting For God (Stephanie Cole is one of the best actresses ever), 2point 4 Children, Keeping Up Appearances, Goodnight Sweetheart, The Royle Family, Dinnerladies
00s - My Fanily, Reggie Perrin, My Hero
An American sitcom from the noughties that I also like is The New Adventures Of Old Chrsitine.