The Trafford Centre was a shopping centre in Manchester.
Inside, there was a Selfridges and a John Lewis, which were visited by Peter and his mum, and the Eighth Doctor. (PROSE: The Wickerwork Man)
When arguing with Tommy Tomorrow that the Only Ones weren't the only race in existence, Lucie Miller compared the amount of life in the universe to "the Trafford Centre on Boxing Day". (AUDIO: Horror of Glam Rock)