The next UK Solar Missions forum is on the 8th January 2015 at the RAS. This was chosen to be the day before the RAS discussion meeting on IRIS results.
An agenda will be sent around in December.
As a reminder – these are a list of mission involvements the UK has:
http://www.mssl.ucl.ac.uk/~lkh/UKsolarmissions/mission-involvement.html