For those who may not check the NATS AIS website, on there is a recently updated list of current and planned 8.33 frequencies:
http://www.nats-uk.ead-it.com
Click on: "UK AIP Supplements (SUPs)"
Click on: "S 014/2018" (TRANSITION OF FREQUENCY ASSIGNMENTS TO 8.33 KHZ VOICE CHANNEL SPACING)
Tony
8.33 Frequency list
Moderators: John Dean, Moderator