anotherthing, it took 7 years at Luton airport after Barclays created a 'them & us' workforce following on from establishing 'new terms and conditions for new starters'.
Airport staff employed by the airport were once in the Local Govt Pension Scheme (LGPS), the sort your local council staff enjoy (final salary). Luton airport was concessioned out by the Town Hall, Barclays placed an axeman at the helm and the rest they say is history! And so it was for the 'old' terms and conditions!