A new member who joins to post this one message and hasn't been back since? That you, Freddy?
It's Greater London on a fairly recent technicality, it was Middlesex until 1965. But many people still view it as Middlesex regardless of this.
And most significantly, addresses in Harrow are written as "Harrow, Middlesex, HA1" - Middlesex, not London I'm afraid!
I haven't watched yet but will later! Definitely not an outfit for meeting a Royal let alone the Queen
I think she says some things to try and be quaint, but just sounds silly and out of touch.