After Liz surprises Andrew dancing and punching the bag while listening to Kajagoogoo, his headphones repeatedly change position between shots.
When the two blokes rock up to drop someone off in the gold coloured Mk 3 escort, the registration mark is wrong as Mk 3 escorts started with W registration whereas that one was R registered which is before the end of the Mk 2 escorts.
When we first meet the character Liz in the back of the car, she is sat next to a boy who is wearing his 80s designer top, unfortunately it is a "Luke" top, and Luke (an Aston Villa fan) did not start his designs until the year 2001.