There is a very interesting piece on this case "Cheltenham and Gloucester -v- Norgan at:(posted 8624 days ago)http://www.parliament.the-stationery- office.co.uk/pa/ld199697/ldhansrd/pdvn/nineties/text/60708-42.htm
See 8 Jul 1996 : Column 155.
Hope this helps in some way.
Regards,