That's a good shout, don't know why I didn't think of it. They kind of have a seperate area to the side, which is away from the main dining area, which I think could accommodate that many, so may be suitable.
Food is good too, (or was last time I ate there a while ago). You may get a better...
The Bull is actually in Shermanbury, (as I'm sure BG knows). I've often played skittles in this room, and they provide a buffet menu consisting entirely of different pizzas. I don't actually know if they serve food to the table, or even if they put tables in there.
Fine if you like pizza, but...