[Symbiote]

No, it was the Nestlé factory in Hayes (West London), although it's recently closed down. A train heading out of London to West Drayton would pass very close by.

http://www.getwestlondon.co.uk/news/local-news/nestl-factory...

https://www.google.co.uk/maps/place/Nestle+UK+Ltd/@51.50038,...