Anyroad, I know it's fun spending weeks arguing about which date every year, but the South Wales Chapter have already made an executive decision. After a number of behind-closed-doors smoke-filled-rooms focus groups, committee meetings, sealed ballots and shouting matches, we have... <trumpet fanfare>....
6th-8th December. Ta-da.
Plenty of time to get all those daft ideas out in the open

(I know, I live 150 miles from S Wales, but that's an example of Winter Bivvy Daftness already and I'm an honorary SWWB member and grateful to be invited).