As Johnny Worricker is driving through Westminster at night he is listening to the Shipping Forecast which is broadcast at 00:48 and 05:20. The time on the Clock Tower (Big Ben) shows 01:53.
In one scene we witness a lock being manipulated by a pick set, ostensibly to gain entry to a property. However, the pick and lever are only momentarily wiggled around in the lock before the door gives way. Many productions make the same mistake, the pick only bypasses the pins in the lock, however the cylinder still needs to be rotated as it would be with a key in order to actuate the lock.
The airport departure board shows long-haul destinations with flight numbers for EasyJet and Ryanair. For instance, EZY215 is shown as a flight to Santiago, while in reality, it is a Stansted to Glasgow flight.