§ Simon Hughes
To ask the Secretary of State for the Home Department how many(a) police and (b) immigration holding cells there are at each London airport. 
§ Beverley Hughes
There are eight Police Holding Cells at Heathrow Airport and two detention rooms. There are three Police holding cells at Stansted Police Station which is situated within the airport perimeter. There are no Police holding cells at London City and Gatwick airports.
There are no immigration holding cells at any of the London airports. There are immigration holding rooms where passengers may be held in a secure communal room for short periods pending interview or removal. There are nine holding rooms in total. These comprise two at Gatwick (one at each Terminal), four at Heathrow (one at each Terminal), one at London City, one at Stansted, and one at Luton. Additionally, there is a removals holding room for outgoing detainees at Queen's Building at Heathrow Airport.