Across:
1 Watering hole (well = WE’LL) encounter (MEET) is a (A-) dieter’s nightmare (-GAIN) (WE’LL MEET AGAIN) – you’d say the same if you’re going to see me later (WE’LL MEET AGAIN),
10 Model’s (models = anagram indicator) Cartier (Cartier = ERRATIC) is unpredictable (ERRATIC),
11 New (= anagram indicator) satire (satire = ARTIS-E) about time (-T-) (ARTISTE) by theatrical professional (ARTISTE),
12 Trainee (learner = L-) finishes Honolulu cocktail (finishes/final letters of ‘Honolulu cocktail’ = -UL-) with port (port side = left = -L) (LULL) during the break (LULL),
13 Fired (fired = FRIED) cook (= anagram indicator) for what he did with the grease (FRIED),
15 Bottle of awesome alcohol (bottle of ‘awesome alcohol’ = MEAL) for dinner (MEAL),
17 The butt, for instance (butt END), is a bit of the Golden Delicious (is a bit of the ‘Golden Delicious’ = END),
19 Inflexibility (RIGOUR) in South America (RI-O-) over golf (-G-) in old city (-UR) (RIGOUR),
21 Refuse (refuse/rubbish = LITTER) the little ones among the boxers (LITTER of pups),
22 Naples, for example (BAY- of Naples), is No 1 (-ONE-) and the capital (‘the’ capital = -T) (BAYONET) for old-style fighting (BAYONET sword on rifle),
23 Hopeful (UPBEAT) of organising (= anagram indicator) pub tea (pub tea = UPBEAT),
25 Account (AC-) by a (-A-) group of spies (-CIA) (ACACIA) – one is a plant (ACACIA),
27 Of course (golf course PAR), this leads to promotion and relegation (leads to ‘promotion and relegation’ = PAR),
29 No ban in Bahrain (no ‘ban’ in ‘Bahrain’ = hrai = HAIR) or Barnet in the UK? (‘barnet’ in the UK = HAIR),
30 Terrorised dismissing riots (‘terrorised’ dismissing ‘riots’ = erred = ERRED) – what went wrong? (ERRED),
31 They have a reputation for being wise guys (MAGI) with endless (c) tricks (‘magic’ without ‘c’ = MAGI),
34 Organisation (UN-) is familiar (-KNOWN) (UNKNOWN) with the mysteries of the world (UNKNOWN),
35 Realise (ACHIEVE) accountant (AC-) and engineer (-E-) is in worker’s home (worker’s/bee’s hive = -HI-VE) (ACHIEVE),
36 Sound type (WELL) got on his bike in the gym (WORKED OUT) (WELL WORKED OUT) and cleverly solved the crossword perhaps (WELL WORKED OUT).
Down:
2 50 (50 = Roman “L” = -L-) in Prague (Prague = EARP-UG) Movement (= anagram indicator) (EARPLUG) responsible for deafening silence (EARPLUG),
3 Slice of tortilla tested (slice of ‘tortilla tested’ = LATE) – it’s overdue? (LATE),
4 It’s just more (ENCORE) of what the fans asked for (ENCORE),
5 Made fun of (TEASED) sedate (sedate = TEASED) criminal (= anagram indicator),
6 Providing a terrible sample (‘providing a terrible’ sample = GATE) at the airport (GATE),
7 One of The Beatles (“beatles” = “beetles” + one beetle = INS-ECT) on the radio (= homophone indicator) admitted Paul initially (first initial of ‘Paul’ = -P-) (INSPECT) produced review (INSPECT),
8 Spring (WELL) mentioned (BROUGHT UP) (WELL BROUGHT UP) one is very polite (WELL BROUGHT UP),
9 Source (WELL) made arrangements (ORGANISED) (WELL ORGANISED) with meticulous planning (WELL ORGANISED),
14 To the extent that (IN SO FAR) one (I-) provides new (-N) sitting room (SO FA-) for reading (-R) (IN SO FAR),
16 One of The Young Ones (CUB-) opening act (opening ‘act’ = -A-) for One Direction (direction north = -N) (CUBAN) living on the island (CUBAN),
18 Type of channel (DITCH) for director (D-) with compulsive desire (-ITCH) (DITCH),
20 Some ungratefulness (some ‘ungratefulness’ = RAT) by double-crosser (RAT),
21 Concealed by double agent (concealed by ‘double agent’ = LEA) in pastoral setting (grassy/arable land = LEA),
24 Old police force (Royal Irish Constabulary = -RIC-) is fairly (half of) kind (half of ‘kind’ = -KI-) in Belgium (B-E) (BRICKIE) working on site locally (BRICKIE),
26 No minors in South American (no ‘minors’ in ‘South American’ = uthaeca = CHATEAU) vineyard (CHATEAU),
27 Spin doctor releases disc (‘spin doctor’ releases ‘disc’ = pnotor = PRONTO) in a hurry (PRONTO),
28 State (REMARK) shirt-maker hits out (‘shirt-maker’ hits out/without ‘hits’ = rmaker = REMARK),
32 Unwelcoming (COOL) on both sides of community pool (on both sides of ‘community pool’ = COOL),
33 Scatter (scatter/let drop = SHED) what’s found in garden’s hedge (what’s found in ‘garden’s hedge’ = SHED).