7  In lieu nucha was allowed to guard harem (6)

 8  Great-niece, ex-Channel Islands, is still a juvenile (8)

 9  Anne, plop out for sea of cubicles perhaps (4-4)

10 Really unnerved if Nostradamus' early divinations begin but are destroyed (6)

11 Constitute a compromise if honour is left out (8)

12 Left feast and became festive (6)

13 Ace attaches but holds documents (7,4)

18 In the Savoy age restricts the passage (6)

20 A little interstellar extraterrestrial not a terrestrial entity starts to estrange (8)

22 Sounds as if Anne when with Gina is a severe pain (6)

23 Naked two disassemble (8)

24 Moved on plus has motor vehicle on way to church (8)

25 The nine nead an accurate translation (6)

 1  Underwater vessel's pilot loses island in minor storyline (7)

 2  Turnip cooked to a T by one that rotates the meat (8)

 3  Hot capsicum fruit although cold sounding (6)

 4  Artificer ace went and trained and is outstanding (8)

 5  Royal Scottish Automobile Club that is included in decomposition and progressive decay of teeth (6)

 6  Enlarge search for army officer (7)

 8  Kind offer middle pressman made (13)

14 No longer in use by a Turkish official who preceded a northern church (8)

15 Sahara's Sudan end contained this (4,4)

16 Zorro's horse currently in service in the RAF (7)

17 Pants we cooked in! (7)

19 Beast from Manila (6)

21 Liquid squirt for a printer (3-3)