9  Old bet, one about a cactus (7)

10 Too fine to finally dash back in haste (7)

11 Encounter ruin, not organised (3,4)

12 Disheartened shopper clasping small coins for short undergarment (7)

13 Singular braid, oddly foully nerve-wracking (9)

15 Steadily eat a great deal, gobbling heart of lunch (5)

16 Article rejects quotes about conservative man leading life of austerity (7)

19 Maybe does caviar that's expensive, by the sound of it (3,4)

20 Stretch one's neck in order to see wading bird (5)

21 Deceive well-balanced policeman (9)

25 Mostly scornfully abusive with no time for hormone (7)

26 Sheepdog right for mine worker (7)

28 Carriage horse for hire, not in the past unknown (7)

29 More with it to rattle on about tripe essentially (7)

 2  Resistance interrupting one who adjusts engine-pitch; worker using a lathe (6)

 3  School's characteristic set up (4)

 4  Produce eggs no longer fresh; put an end to activity (3-3)

 5  Large marmot; game the French originally reintroduced (8)

 6  Most hot and humid around river with greatest number of rivulets (10)

 7  Look, good, working ocean boat made from hollowed out tree trunk (3-5)

 8  Laundry worker from Chartres perhaps (8)

14 Reformed Lutherans discovered ultimately in old Scottish county (10)

16 A Roman Catholic gentle source of illumination (3,5)

17 School year-group in charge, principally studying ancient literary works (8)

18 East Enders cold and out of sorts on Skye going round clubs (8)

22 Some demonic energy of ancient city in Asia Minor (6)

23 Sibling endlessly cooked little buckwheat pancakes (6)

24 Wrongdoings of troublesome children not primarily tolerated (6)

27 Frothy milky coffee losing hint of taste towards the end (4)