-
Regents Park or Hyde Park
Not really enough terrain of any interest in those Victorian parks though: it's all decorative gardens and avenues with little in the way of elevation change.
Always thought the Olympic Park would make a good venue, but there's not a chance a local race would get permission to ride up those banks of wildflowers. Hopefully money talks and this'll get the go-ahead. A permanent, or semi-permanent, cross course in London would be amazing. Shame they didn't think about that during the consultation period.
I want to see racing back at Crystal Palace, hosts of the 1973 World CX championships.
But ideally hosting an event in central London would be visually appealing, so Regents Park or Hyde Park would be good. If they can fuck up the grass for dad rock bands, they can do it for a few Belgians.