Just had supermrket delivery, husband took it in. He said the driver told him it was worse than Christmas with so many stockpiling (didn't mean us, our order was normal & not big). I know nobody personally who is panic buying but have read about it online so must be different in other areas of the country.
From BBC 164 known cases in UK - "-said that of those confirmed to have the virus in the UK by 6 March, 18 had recovered and about 45 had been self-isolating at home."