Well although LPL and EMA are ending this winter there is now at least some good news, this time with BA:
Taken from website:
From 28 October 2012 flights from Heathrow Terminal 3 to Gibraltar will increase from seven to nine flights per week. The additional services will operate on Saturdays and Sundays.
Heard also now September for new terminal opening for Deaprtures. Also waiting for the news about who is doing EMA for Summer 2013.