Join Date: Oct 2006
Location: London, UK
Programs: BA Gold, VS Silver, SQ Silver, IHG Plat Amb, Hilton Gold, Marriott Plat, Accor Silver, Radisson Prem
Posts: 16,873
You have access to the QF London Lounge, CX Business Class lounge, BA Galleries Club lounge and AA Admirals Club.
Personally I wouldn't bother with either BA or AA; the CX and QF lounges are great (outside of busy CX/QF flight departure times).
oneworld.com/lounges shows the rules.