I completely missed this announcement, from the British Short Screenplay Competition. Seems earlier this year :
"Friday, January 30th, 2009
We are delighted to announce the launch of the British Short Screenplay Competition 2009!
The early postmark deadline will be March 20th 2009, and the final deadline May 8th.
For more information and an entry form see the BSSC rules page.
Click here for more details, and Let The Contest Begin.