Anything that is +44 151 947 0xxx is rubbish stuff. XXXXX = 941, 759, 906, 759 etc. I am in Australia and have no reason for anyone from the UK (supposedly) to call me. Hence I don't answer. But they ring at all hours of the day and night. I just block the numbers. They all come up on the phone display showing "Potential Fraud" as the caller.