Hello. Thank you for coming to JustAnswer with your question, and welcome.
I saw your question posted a couple of days ago, and had done some checking around since then. I am not in the UK, however I did see this page posted and it is dated recently (September 29). Perhaps it will help you:
BBC Radio: Today
There are listings of physicians offering the single vaccines, as well as some prices for you. Contact information for these physicians is also included.