You are correct mate regarding being ex-UK. And the grey matter pertaining to some of the policies of my previous employer are a little on the hazy side.
Here in Canada, the Wake Turbulence standards are in black and white in the CARs. The reason I say black and white, in this now wonderful lawyer filled world we now live, I would hate to be standing next to someone in a court of law who had a nasty due to wake turbulence and you have no defence if you didn't have the standard.
To me, asking a pilot "are you happy to continue" means you're not.........why would that be?