It's hard to discern a clear signal for Europe as shown by the lack of anything in the figures in our article on the global impacts of ENSO

https://www.climate.gov/news-features/featured-images/global-impacts-el…

For the UK Met Office's view, here is a useful link > https://www.metoffice.gov.uk/research/climate/seasonal-to-decadal/gpc-o…