It can be found on the following link: Ratings – Radio Intelligence
The ratings results conducted in October-December 2022 by RAJAR went like this:
#1. BBC Radio 4: 13.7
#2. BBC Radio 2: 11.0
#3. LBC: 7.7
#4. Heart: 4.7
#5. Classic FM: 4.2
#6. Magic: 3.8
#7. BBC Radio 1: 3.7
#8. Capital: 3.5
#9. BBC Radio 5: 3.1
#10. Smooth Radio: 2.3
#11. Greatest Hits Radio: 2.2
#12. BBC Radio 3: 2.0
According to the RAJAR website, the next ratings for the UK & London is due to be released today, looking at the ratings over the March Quarter of 2023.