1) History and heritage - so many museums, the National Trust etc.
2) Tea in bone china cups
3) Afternoon tea with scones
5) Old phone boxes and red pillar boxes
7) Royal Occasions like the Trooping of the Colour and the Changing of the Guard
8) the British Seaside - especially piers and beach huts
9) Queuing without talking to anyone!
10) the Proms