text: A bit of sleuthing suggests that this was built as a shadow aviation factory just before WWII. It was used by Vickers to build Wellington bombers during the way, and by Hawker to build Hunter fighters post war. This is confirmed by a) location and b) presence on old 1:25k maps when airport was larger.
  
  The following is an interesting account of the area https://whatslefttosee.wordpress.com/places-ive-been-to-explore/squires-gate-airport-whats-left-of-its-ww2-history/
  
  Actual current use seems to be mix of industrial & warehouse units.