22a It's an awful mark on character (5) ?A?I?
27d 19(sic) 19 when this house opened for the Irish public (4) ??I?
27a Bad time done for a downer (8) ??M?D?O?...
22a She's a proper palindrome (5) ?A?A?
29a ...ay...! ...and aw (2,2) U?U?
24d 15 again? Dream on (5) ?A?C? (Clue 15a ... is compulsion to drive (4), Ans is URGE)...