The window that is broken is referred to as the North window. When it is replaced it shows a wonderful sunset. Since the sun sets in the West it would not be seen quite so clear in a North facing window.
Geraldine refers to updating a totaliser 'every time someone gives us 2½p'. The UK withdrew half pennies in 1984.
Geraldine mentions another vicar being 'the best kisser in Cheltenham' and that 'her tongue is in the Home Counties gymnastics team', but Cheltenham isn't in the Home Counties.