try a health shop, they may have it as elderflower is a blood cleanser and diuretic.. years ago i used to make elderflower champagne. very easy to make and because its a healthy thing to take you did'nt feel guilty drinking it ..
thanks once again. I really did look everywhere! Even in Holland & Barratt where the lady behind the counter said she couldn't find it locally either! I shall look in a large sainsburys.
Bottle Green cordials are generally on sale at most Tescos and Sainsburys. (Tesco Finest cordials are in fact made by Bottle Green, so they are just as good.) You can always email them and ask where the nearest stockist is: