Across:
1 Snow from townscapes (‘snow’ from ‘townscapes’ = tcapes = ASPECT) and strand (ASPECT),
4 Take a draw (SMOKE) when not at home (OUT) (SMOKE OUT) – with this approach there’s no hiding place (SMOKE OUT),
9 Greek character (21st letter/character of Greek alphabet = phi = PH-I-) grabs old boy (Old Boy = -OB-) around head (‘Around’ head = -A) (PHOBIA) in fear (PHOBIA),
10 Deal with (ATTEND TO) Tate? Don’t (Tate don’t) panic! (= anagram indicator) (Tate don’t = ATTEND TO),
12 Carmen, for instance (OPERA-), and Evita (Evita) for the most part (a) (‘Evita’ without ‘a’ = evit = -TIVE) reviewed (= reverse indicator) (evit = -TIVE) (OPERATIVE) in Private Eye (OPERATIVE),
13 Cordon off French doors (‘Cordon’ off ‘French doors’ = frehs = FRESH) only picked this morning (FRESH),
14 Paid attention (CONCENTRATED) as to not lose Focus (to CONCENTRATE-) on back road (back ‘roaD’ = -D) (CONCENTRATED),
18 Surprise (ASTONISHMENT) in a (A-) street (-S-T) over Shinto (Shinto) movement (= anagram indicator) (Shinto = -TONISH-) with people (-MEN-) (ASTONISHMENT),
21 Get wind of (LEARN) tip (lean = LEA-N) covering first race (first ‘Race’ = -R-) (LEARN),
22 Left well enough alone (ABANDONED) by Russell (A-E-) around place in Cork (-BANDON) and Dublin (-D) (ABANDONED),
24 Jerk (T-IC) about to make a mistake (-ERR-) presuming that (-IF-) (TERRIFIC) is marvellous (TERRIFIC),
25 State (NATION) of artist from train station (‘artist’ from ‘train station’ = nation = NATION),
26 Not able to manage (HELPLESS) the workers (HELP-) from Takeaway (-LESS) (HELPLESS),
27 Half the gear (half the ‘GEar’ = -GE-) in public houses (public houses/ bars = BAR-S) (BARGES) for those travelling around Rialto (BARGES for those travelling around Rialto).
Down:
1 Focus on (APPROACH) a (A-) soft (-P-) starter of pickled (starter of ‘Pickled’ = -P-) fish (-ROACH) (APPROACH),
2 Needles partner (‘pins and needles’ = P-INS) over perfect (perfect = -HONE-) (PHONE-INS) programmes that encourage the airing of opinions (PHONE-INS),
3 Detailed (t) aid to the puzzled (hint) (‘hint’ without ‘t’ = -HIN-) in California (CA = C-A) (CHINA), a large land mass that’s on the Pacific Ocean (CHINA),
5 Type of round figures (MATHEMATICAL) describing those in the Book of Numbers (MATHEMATICAL book of numbers),
6 Chill (KEEP FRESH) in castle (KEEP) coming from 13 across (‘fresh’ = FRESH) (KEEP FRESH),
7 Presumably, the first males in The Bible (OLD MEN) with grey beards? (greybeards = OLD MEN),
8 Liam MacCarthy, for one (TROPHY for winning All-Ireland Hurling Final), knocks back (= reversal indicator) drink (port = TROP-) on the banks of Hangzhou Bay (on the banks of ‘Hangzhou baY’ = (-HY) (TROPHY),
11 In a manner of speaking (DICTION-), raise (raise) doubts (= anagram indicator) (raise = -ARIES) (DICTIONARIES) these are wordy reference books (DICTIONARIES),
15 It’s said (= homophone indicator) eau de cologne (‘scent’ = ‘sent’ = -SENT-) found in another (= anagram indicator) aisle (aisle = ES-IAL) (ESSENTIAL) is a must-have (ESSENTIAL)
16 Bluffing it (FEINTING) by passing out (fainting) reports (= homophone indicator) (‘fainting’ = ‘FEINTING’),
17 Female nags mate (female nag’s mate/mare’s mate = STUD- horse) sent (sent) off (= anagram indicator) (sent = -ENTS) (STUDENTS) with those classy types (STUDENTS),
19 Light (light) fault (= anagram indicator) (light = GLIT-H) around college (-C-) (GLITCH) is a temporary problem (GLITCH),
20 Watch (PATROL) pâté (pate) and roll (roll) – neither is finished? (‘e’ + ‘l’) (‘pâté’ and ‘roll’ without ‘e’ and ‘l’ = PAT + ROL) (PATROL),
23 Omen from memoranda (‘omen’ from ‘memoranda’ = mrada = DRAMA) relates to crisis (DRAMA).