You will need to declare the private plate to the OR. Whether they decide to take it or not is up to them but, with it being worth £400, it's likely that they will want it.
I know of at least one poster who declared BR that was allowed to keep their plate.
The world is broken, halos fail to glisten We try to make a difference but no one wants to listen Hail the preachers, fake and proud Their doctrines will be cloud Then they'll dissipate like snowflakes in an ocean
It will be down to the individal Or but it sounds as though it should it could be ok.
The world is broken, halos fail to glisten We try to make a difference but no one wants to listen Hail the preachers, fake and proud Their doctrines will be cloud Then they'll dissipate like snowflakes in an ocean