Additional spot beam capacity on Astra 2E, F and G should address that over the next couple of years. 2F is already in orbit and poised to take permanent duties from 1N before the end of this year.
I'm aware that there are rights issue complications involved in free-to-air satellite broadcast but all the PSB broadcasters have overcome them and UKTV's apparent lack of willingness to do the same is seriously at odds with the ad campaign they've been running lately, suggesting that Dave is about to take over the world. I pointed this out to them in a recent email complaining that I was missing Red Dwarf.