It'll still be possible to get a UK to EASA licence after brexit takes place no doubt, maybe just a bit more nausea to go through. My mate converted a UAE licence to IAA EASA no trouble I'm sure no need to panic unless you absolutely need an EASA licence pronto for your current employment.
Last edited by Count von Altibar; 4th December 2020 at 15:20.
Reason: added some words