| Across | Answers and Clues | Explanations |
| 1 | ROBUSTNESS | |
| Fracture in sensor adversely impacted health (10) | BUST inside anagram of SENSOR | |
| 6 | ICED | |
| Slices of liquorice dessert should be kept cool (4) | liquorICE Dessert | |
| 9 | TUBES | |
| Pipes are finally put inside cleaning units (5) | AR(E) inside TUBS | |
| 10 | CHRISTMAS | |
| Monarchists abroad missing out on holiday (9) | Anagram of MONARCHISTS minus ON | |
| 12 | ILLITERATE | |
| One lacking education is threatening to repeat (10) | ILL + ITERATE | |
| 13 | SEE | |
| Recognise letter read out (3) | Sounds like C | |
| 15 | RENNET | |
| Apple extract used in making cheese (6) | Double Definition | |
| 16 | DEADENED | |
| A study in legal documentation may be toned down (8) | (A + DEN) inside DEED | |
| 18 | MARSH GAS | |
| Methane from planet Mercury, for instance (5,3) | MARS + HG + AS | |
| 20 | UNISON | |
| Tertiary institution’s operating with complete agreement (6) | UNIS + ON | |
| 23 | TUN | |
| Large quantity of beer and fruitcake knocked back (3) | NUT reversed | |
| 24 | PERMISSION | |
| Leave retired agent with high-level assignment (10) | REP reversed + MISSION | |
| 26 | CAVALCADE | |
| Train a large rat captured in cave (9) | (A + L + CAD) inside CAVE | |
| 27 | REACH | |
| Come to a head after end of semester (5) | EACH after SEMESTE(R) | |
| 28 | SURE | |
| Stable land by the sea by the sound of it (4) | Sounds like SHORE | |
| 29 | DENOUEMENT | |
| Outstanding people, holding one, turned back time in final act (10) | (DUE + MEN) outside (ONE reversed) + T | |
| Down | Answers and Clues | Explanations |
| 1 | RATS | |
| Principal recalled an exclamation of annoyance (4) | STAR reversed | |
| 2 | BABYLON | |
| Child left working in historic city in Iraq (7) | BABY + L + ON | |
| 3 | SISTINE CHAPEL | |
| Sister reserved place in the Vatican building? (7,6) | SIS + anagram of PLACE IN THE | |
| 4 | NICKEL | |
| Steal centrepiece of bell metal (6) | NICK + B(EL)L | |
| 5 | SERRATED | |
| River rat tucked into kernel with sharp, forward-pointing teeth (8) | (R + RAT) inside SEED | |
| 7 | COMES ON | |
| Carbon combined with oxygen particle develops (5,2) | C + O + MESON | |
| 8 | DISTENDING | |
| Doctor initially is looking after swelling (10) | (D)OCTOR + IS + TENDING | |
| 11 | SPENDING SPREE | |
| Special resolutions altered peer’s extravagant use of money (8,5) | SP + ENDINGS + anagram of PEER | |
| 14 | DRUMSTICKS | |
| Last drop of methylated spirit penetrates beaters (10) | METHYLATE(D) + RUM + STICKS | |
| 17 | FAIR GAME | |
| Golf following broadcast hosted by celebrity is sport (4,4) | (G after AIR) inside FAME | |
| 19 | RAN OVER | |
| Denial admitted by party animal should be reviewed (3,4) | NO inside RAVER | |
| 21 | STORAGE | |
| Space for keeping stuff held by publicist or agent (7) | publiciST OR AGEnt | |
| 22 | DINERO | |
| One who eats nothing with American bread (6) | DINER + O | |
| 25 | CHAT | |
| Informal talk has not finished in court (4) | (HA)S inside CT |
