35a Who leans back on a building initially? (8) ?B?O?L?R
41a Ice is brilliant (5) F?C?S
51a Hotel accommodates American lover of Nelson ?A???T?N
36d Location of ring, very loud (3-8) OFF-?I?R???G
NB All of the above are inter-linked so I might have a glaring error in one or more of the connecting lights
Thanks bibblebub. I'm always amazed how I manage to get locked into a completely wrong train of thought when doing crosswords. So much so that I often can't see the wood for the trees. How on earth i didn't see the Nelson's lover bit astounds me.