Nahui - I don't have to stamp my little feeties as thankfully I don't live in the UK and don't have to deal with this. I live in a country where one is treated as a mature adult as regards alcohol, and so my dear, my grocery money goes into Belgian pockets, and not UK ones. I will go to the local cash and carry when I'm back in UK in August and buy wine there and not have to provide ID, so this doesn't affect me. I was curious about the law if I have to return to UK to live next year.
Portofino - I don't know where you got 12,000k from for BSB fees; my ds's were the best part of 25,000 this academic year and I can't see them staying at that level either. As to the BSB kids who get drunk - yes some other nationalities do, but the ones I see and hear about the most are the British kids. I don't see pissed Belgian teens when walking through Tervuren on a Friday night and it seems quite rare to see pissheads out on the streets here, unlike being in Plymouth on a Friday or Saturday night for instance. It's a cultural thing that won't be extinguished by cracking down on underage drink sales. I don't know about the European school...perhaps I was right to keep ds at BSB and not move him to the European school.
As to teaching your children to drink responsibly leads them to binge drink - bollocks. I was allowed a glass of sherry on a Sunday from when I was 11, and wine with meals on a Sunday from about 13. I have never binged and drink tea for the most part. I am far more worried about the availability of pot locally than I am about the possibility of ds getting pissed. When he decides to drink, I will buy him the poison of his choice and let him drink here, so if he does to decide to overindulge, he's in a safe place.
The obvious answer of course to underage drinking is to severely restrict any access to money, and then they can't buy alcohol.
However, the basic premise remains that one is legally allowed to drink at 18 in the UK and purchase alcohol. There is no legal requirement to carry ID, so some of us don't do so. If the stores wish to operate an IDing policy, then they need to make their rules clear, consistent and explain them to the public, so they understand that it is possible if you are 70 to be asked for ID to buy alcohol. They also need to clarify their policies as to when they will not let a mum doing the shopping buy alcohol when they have their kids with them, because this is still unclear. To avoid all the nausea with this, shop online and buy your booze from Laithwaites or use the local cash and carry, or an off-licence. Alternatively, do as Portofino and I have done and move abroad.