Across:
1 Confesses to father perhaps (confesses to father/priest = TAKES THE BLAME), the vampire slayers (slay/kill vampires with ‘stakes’) lost the head (s) (‘stakes’ without ‘s’ = TAKES) with most of them (most of ‘them’ = THE) getting criticism (BLAME) (TAKES THE BLAME),
10 Road, etc. (road etc = ART DECO), designed in the 1920s (ART DECO),
11 High praise (HOSANNA) for endless (e) stockings (‘hose’ without ‘e’ = HOS-) given to woman (-ANNA) (HOSANNA),
12 Dawn’s leaving Wednesday (‘Dawns’ leaving ‘Wednesday’ = eedy = EYED) – how is that viewed? (EYED),
13 Reserves, in the journeyman sense (TAKES a room), on all sides today (TAKES on all sides of today’s grid),
15 Charming (CUTE) centaur ran away (‘centaur’ ‘ran’ away/without ‘ran’ = cetu = CUTE),
17 A period of time (DAY) going all the way back (= reversal indicator) in early adulthood (in ‘early adulthood = yad = DAY),
19 Keep that under your hat (HUSH UP) or veil? (veil/conceal = HUSH UP),
21 Fabulous bird (roc = COR-) upset (= reversal indicator) by most of (t) the phone message (‘text’ without ‘t’ = -TEX) (CORTEX) – the brainy bit in particular (CORTEX),
22 Put on the programme (AIR SHOW) for one of those crafty types making a spectacle in Sky (AIR SHOW),
23 Take stock (take stock/cattle = RUSTLE) of awful (= anagram indicator) result (result = RUSTLE),
25 Workout (DEDUCE) for two of the clubs, for instance (two of clubs = DE-UCE), around Dublin (-D-) (DEDUCE),
27 Part of the circle (ARC) raised (= reversal indicator) in theocracy (in ‘theocracy’ = cra = ARC),
29 Some control a temper (some ‘control a temper’ = LATE) – it’s long overdue (LATE),
30 Describes what’s in 21 down (FISHY describes ‘cod’) as suspect (FISHY),
31 Those at The Bar (taps) reject (= reversal indicator) (taps = SPAT) petty argument (SPAT),
34 Jubilation putting out job (‘jubilation’ putting out ‘job’ = uilatin = NAUTILI) for the swimmers (NAUTILI),
35 It’s a relief in a way (relief = RILIEVO) producing Olivier (Olivier = RILIEVO) play (= anagram indicator),
36 Show the ropes (TAKE BY THE HAND) to guide (TAKE BY THE HAND).
Down:
2 One in a cast (ACTRESS) is familiar with 13 across (ACTRESS is familiar with ‘takes’),
3 Drain (sewer) head off (s) (sewer’ without ‘s’ = EWER) jug of beer perhaps (EWER),
4 What a shame (TOO BAD) it describes the man downstairs (devil = TOO BAD),
5 English (E-) revolutionary (-CH-E-) locks up leader of (leader ‘of’ = -O-) yeomanry? (-Y) (ECHOEY) Sounds like you might have heard that a few times! (ECHOEY),
6 Group (LIST) no longer dismissed by Rolling Stone (‘no longer’ dismissed by ‘Rolling Stone’ = list = LIST),
7 Searches for missing (MANHUNT) human (human = MANHU-) novel (= anagram indicator) and good books (New Testament = -NT) (MANHUNT),
8 Poor (= anagram indicator) Kate (Kate = TAKE) gets answer (A) from strict (HARD) bar (LINE) (TAKE A HARD LINE) – don’t move even an inch (TAKE A HARD LINE),
9 Kick up a fuss about (TAKE EXCEPTION) receipts (TAKE) from bar (EXCEPT-) in (-I-N) around Ring (-O-) (TAKE EXCEPTION),
14 Skiers (skiers = K-ISERS) travelling (= anagram indicator) across Austrian summit (‘Austrian’ summit = -A-) (KAISERS) and over Germany in the past (KAISERS),
16 Question (Q-) Ulster (-U-) politician from the assembly (Member of the Legislative Assembly = MLA = -ALM) bringing up (= reversal indicator) (MLA = -ALM) (QUALM) an uneasy feeling (QUALM),
18 British (B-) said (= homophone indicator) “oh” (‘oh’ = ‘owe’ = -OWE-) to Royal (-R) BOWER) hideaway (BOWER),
20 Speculate I’m missing muscatel (‘speculate im’ missing ‘muscatel’ = pei = PIE) for dessert (PIE),
21 Plans to get away from cold snap (‘plans’ to get away from ‘cold snap’ = cod = COD) to fish (COD),
24 Serves up (= reversal indicator) a (-A) grape juice (must = -TSUM-) with a (-A-) top slice (top ‘slice’ = S-) (SATSUMA) of orange (SATSUMA),
26 Ulster (U-) politician (-MP-) – a poster boy perhaps (-TEEN) (UMPTEEN) for a lot of them, numerically speaking (UMPTEEN),
27 Institute (-I-) in old capital (lira = A-RIL-) set up (= reversal indicator) at the end of day (end of ‘day’ = -Y) (AIRILY) in an easy way (AIRILY),
28 Abbey (CHURCH) in old city (-UR-) surrounded by couple of religious institutions (church + church = CH-CH) (CHURCH),
32 Lorraine lets out roar (‘Lorraine’ lets out ‘roar’ = line = LINE) in bar (LINE),
33 Elevated (= reversal indicator) part of the Taj Mahal building (part of the ‘Taj Mahal building’ = halb = BLAH) is as dull as dishwater (BLAH).