| Across | Answers and Clues | Explanations |
| 1 | BASTARDISE | |
| A celebrity, found in bed, is awfully corrupt (10) | (A + STAR) inside anagram of BED IS | |
| 6 | CARD | |
| Joker, perhaps, in more ways than one (4) | Double Definition | |
| 10 | OPERATING SYSTEM | |
| Crook paying store to hold back essential software (9,6) | Anagram of PAYING STORE + STEM | |
| 11 | ALOE VERA | |
| Love area developed with a commercially-viable plant (4,4) | Anagram of LOVE AREA | |
| 12 | ASHEN | |
| White, like a bird (5) | AS + HEN | |
| 14 | ONIONS | |
| Switch position is covering working bulbs (6) | (ON + IS) outside ON | |
| 16 | SEMITONE | |
| Clocks rewound by one half step (8) | TIMES reversed + ONE | |
| 18 | SEDATELY | |
| Prince’s last engagement held in secret without fanfare (8) | [princ(E) + DATE] inside SLY | |
| 20 | ENTICE | |
| Lead on silver not used by agent with diamonds (6) | AGENT minus AG + ICE | |
| 22 | INGOT | |
| Piece of precious metal found behind home (5) | GOT after IN | |
| 24 | BENGALIS | |
| Scottish mountain girl is with people in Asia (8) | BEN + GAL + IS | |
| 27 | PERSONA NON GRATA | |
| Agent recalled son, a fool, deserter, and a character not liked (7,3,5) | REP reversed + SON + A + NONG + RAT +A | |
| 28 | REEF | |
| Section of tree found with rocks under water (4) | tREE Found | |
| 29 | HYPNOTISTS | |
| Python sits in odd positions, mesmerising people (10) | Anagram of PYTHON SITS | |
| Down | Answers and Clues | Explanations |
| 1 | BLOC | |
| Stop mostly countries in special alliance (4) | (BLOC)k | |
| 2 | SPELLBIND | |
| Hold and shift bin back to yard (9) | SPELL + BIN + yar(D) | |
| 3 | ABATE | |
| A cricketer close to milestone is slow (5) | A + BAT + mileston(E) | |
| 4 | DRIVEL | |
| Bull left after steer (6) | L after DRIVE | |
| 5 | SIGNAGE | |
| Drug gang is fed up with public displays (7) | (E + GANG + IS) reversed | |
| 7 | AITCH | |
| Character may be a source of irritation (5) | A + ITCH | |
| 8 | DOMINEERED | |
| Buck’s mate, embarrassed about explosive item, behaved arrogantly (10) | (DOE + RED) outside MINE | |
| 9 | GYRATION | |
| Heartless guy helping revolution? (8) | G(u)Y + RATION | |
| 13 | WORSHIPPER | |
| One who praises line set up by transport company (10) | ROW reversed + SHIPPER | |
| 15 | NOTATION | |
| System of signs reverted to in race (8) | TO reverse inside NATION | |
| 16 | SAY | |
| Timeless suspension, for instance? (3) | STAY minus T | |
| 17 | ORIGINALS | |
| Masters manipulate one limited by tailored loans (9) | (RIG + I) inside anagram of LOANS | |
| 19 | LIBRARY | |
| House readily emptied out a collection of books? (7) | LIBRA + R(eadil)Y | |
| 21 | ENJOIN | |
| Appreciate substantially popular order (6) | (ENJO)y + IN | |
| 23 | GORSE | |
| Prickly shrub is starting to grow next to rambling rose (5) | (G)row + anagram of ROSE | |
| 25 | ANGST | |
| Fear an income generator imposed by government (5) | AN + GST | |
| 26 | CARS | |
| Vehicles are mostly parked in vacated centres? (4) | (AR)e inside C(entre)S |
Thanks for another great breakdown! Some really clever clues in this one. Always appreciate the clear explanations; they make tough puzzles way more enjoyable.