Saw a post on locostbuilders about Halfords antireeze concentrate 2litres for £5, nomally £13.99.
I used the link below and reserved some at the nearest store, can collect 1 hour after order which is held for 7 days.
Recieved collection number by text, pay on collection. ;D
http://www.halfords.com/motoring/engine-oils-fluids/antifreeze/halfords-oat-antifreeze-concentrate-2-litres
CACK! I just bought some of this for almost full price! :(