Thank you for the the suggestions:-
no I didn't warm up the foundation.
By early this morning all but a small cluster had gone in and they entered once the morning warmed up. I think the syrup did the trick, I made sure is well dribbled on the top two middle frames and down he foundation,so...
I caught a swam this afternoon, its not big but adequate. I tried to hive them in a 5 frame nucleus box by running the up a sheet. This worked but the have stopped at the entrance. I saw the queen.
I haven kept bees for ten years so have no comb to entice them inside. I have put in five frames...