ACROSS
 7. <dog> TOY SPANIEL = (A NOEL + YIPS)*
 9. UR _DU_ = URDU <the talk of Karachi>
10. <At> ASTATINE = (A + E) outside STATIN
11. <preparing to rob> CASING = CASINO, O→G
12. COR SET = CORSET <undergarment>
16. "[-h]ALLWAYS" = ALWAYS <every time>
18. A POLL O_ = APOLLO <space programme>
21. <art lover> AESTHETE = ←SEA← + THE T_E
23. <spry> LIMBER = CLIMBER - C
25. <butcher's> GANDER = DANGER*
27. <different personality> ALTER EGO = A LT ERE + GO
29. <church body> NAVE = "KNAVE"
30. <surprising change> SWITCHEROO = S_ W ITCHER OO

DOWN
 1. 🇫🇷WE🇫🇷 =  NOUS <common sense>
 2. <awards> OSCARS = 0 SCARS
 3. (.s)TAN IS TRY(i.) = TANISTRY <electoral succession>
 4. <extract> ELICIT = _E LICIT
 5. <case for e.g. brazil> NUTSHELL = NUTS HELL
 6. [-r]ODIN = ODIN <god>
 8. ICE BOX = ICEBOX <cooler>
13. <cheer> OVATE = OVA + T_E
15. C_ LONE = CLONE <double>
17. D inside WI THREW = WITHDREW <stopped competing>
19. (OIL TOPIC)* = POLITICO <parliamentarian>
20. <Himalayan> NEPALI = ALPINE*
22. <way out> EGRESS = EG RE SS
24. <hype up> MARKET = MARK + ET
26. _ACA_ _I_ = ACAI <fruit>
28. <grab> GLOM = ←M O LG←