It took dismantling the fireplace and a lot of patience - clearly starving and having lost quite a lot of body condition. some worse for wear than others but finally seem to like being free - will need some time to adjust we will feed them up and see how they go over the next few days only 3 but think there maybe another stuck further up. will have to wait and see if it will come out by itself now his nest maytes are out ... kk over and out