OCCADO -- the number you gave, DaveM, doesn't seem to answer in the evenings (Ocado Cust Svce is open till 11pm). This one does, though (also from their website)
Ocado Head Office
Titan Court, 3 Bishop Square, Hatfield Business Park, Hatfield, AL10 9NE, UK
tel: +44 (0) 1707 227800 fax: +44 (0) 1707 227999
Wow -- I seem to have actually scored one point
Thanks for the input guys.