Sitcom trope number 94: dealing with the wacky neighbours

Labour and the Tories' election headquarters will be next door to each other on Victoria Street. Chortle as Alan Milburn pops round to borrow a cup of sugar and finds himself chairing a press conference on Conservative education policy! Snigger as Nicholas Soames pretends to be defecting just to get a lunch in each building! Laugh as each party employs a suspicious number of electricians and plumbers to check the wiring in the wall between the two buildings!