2505: Endgame
The unclued lights (one hyphened) are of a kind, confirmed in Chambers. Elsewhere, ignore one accent. Across 1 I returned with note and wave to Bletchley Park expert (11, hyphened) 11 Tried and kept in control in the past (6, three words) 13 Goes off for a while (7) 16 Women’s painting first seen returning by tube (5) 17 Ask individual hence (6) 18 Colonel Lyndhurst’s bird (5) 20 Amateur left, watching train (6) 21 Like a judge with tattered robes (5) 22 Excited, once, in river, surrounded by upland (7) 29 Stretch or bird!