Closed in April 2009, has been mothballed in places but they have now decided to demo the kilns and retain the cement mills for further use. Been done by lots of people but still a good explore
More:
http://www.whateversleft.co.uk/industrial/lafarge-cement-works-westbury
More:
http://www.whateversleft.co.uk/industrial/lafarge-cement-works-westbury