St 4780

[brithyll]

4790
5cc I want to be 12 and barrel about around Norfolk town [6] ???I?T
11acc One of the army brass must advance left in surge [5] ??L?E
12 acc Contrary uni boss drinks in King's Head out of habit [5] N???D
Many thanks in advance.

[Lie-in King]

5a Nudist (ref 12a) - 'tun' (barrel, back, round) 'Dis(s)' (town, mostly)
11a Bulge (surge) - advance 'l(eft)' in 'bugle' (one of army brass)
12a Naked - 'dean' (contrary; back, drinks in; contains) 'K(ing's head)'