To clarify CAE Oxford students complete the me IR in Brussels so
afaik there isnt much me IR training at Oxford now. CAE have been under DK ATO status for many years. Not sure if they will get a GBR ato status. I would highly recommend avoiding CAE.
FTA based at Shoreham fly over the channel to France for the EASA IR training. Aeros now have a channel Island base so can fly into European airspace. An initial EASA IR cannot be done in UK airspace.