Favourite clue by a distance was the cleverly misleading 13ac; I also always like seeing 16dn show up in a puzzle because of the time Sybil Fawlty herself quite literally sized me up on a bus in Wandsworth with the words “ooh, you’re tall, aren’t you?”
ACROSS
1 US broadcaster pinching round bum (4)
HOBO – HBO [US broadcaster that is an acronym for “Home Box Office”] “pinching” O [round]
3 Vessel always must keep covered in festival (7,3)
PANCAKE DAY – PAN AY must “keep” CAKED
10 Place of refuge, maybe spot in the country (7)
DENMARK – DEN + MARK
11 Retort from male writer after a drink (7)
ALEMBIC – M BIC [as in biro] after ALE
12 Metal, type likely hollow and portable, for work in church (4,6,5)
LEAD KINDLY LIGHT – LEAD [metal] + KIND [type] + L{ikel}Y + LIGHT [portable]. LOI due to unfamiliarity but the wordplay was generous.
13 Direct translation of nothing in books (6)
ORIENT – RIEN [(French) translation of “nothing”] in O.T.
14 Cold area between two hostelries in the shade (8)
CINNABAR – C [cold] + A between INN and BAR
17 It’s hard to walk intoxicated with rage (4,4)
HIGH WIRE – HIGH W/ IRE
18 Unhappy in boozer, about to hit the roof (4,2)
BLOW UP – LOW in reversed PUB
21 Sailor‘s curving, aromatic bananas (15)
CIRCUMNAVIGATOR – (CURVING AROMATIC*)
23 Caught in something afoot? This is shocking (7)
SCANDAL – C in SANDAL
24 Piece of Whitman — it’s essentially about poem (7)
SESTINA – hidden reversed in {whitm}AN IT’S ES{sentially}
25 Coming off horse, perhaps, in retreat (10)
WITHDRAWAL – double def. Horse as in heroin
26 Lacking definition, not very fit (4)
AGUE – VAGUE [lacking definition] minus V for very
DOWN
1 Covered earlier clothing left for gentleman (7)
HIDALGO – HID AGO [covered | earlier] “clothing” L
2 Dressing musicians, no spring chickens (9)
BANDAGING – BAND + AGING
4 Doing a solicitor’s work in a royal capacity (6)
ASKING – or else AS KING
5 Clergyman rested south of cove (8)
CHAPLAIN – LAIN south of CHAP
6 More killings to upset government expert (14)
KREMLINOLOGIST – (MORE KILLINGS TO*)
7 Correct girl coming out, huge when undressed (5)
DEBUG – DEB [girl coming out] + {h}UG{e}
8 Unknown Berlin figure: I’m not sure he has a craft (7)
YACHTER – Y ACHT ER [unknown | Berlin figure = 8, in German | I’m not sure]
9 Man stopping and we would, somehow, for men in pain (7,7)
WALKING WOUNDED – KING [(chess)man] “stopping” (AND WE WOULD*)
15 London area and South Herts town a must for The Archers (9)
BOWSTRING – BOW + S + TRING
16 Silk fabric cut completely from the bottom (8)
PRUNELLA – PRUNE [cut] + reversed ALL [completely]
17 One producing reports saying something cutting (7)
HACKSAW – HACK [one producing (news?) reports] + SAW [saying]
19 Carrying mature wine on top (7)
PORTAGE – AGE [mature], PORT on top
20 Would-be dry people holding clothing for sacred works (6)
AVESTA – AA [= Alcoholics Anonymous] “holding” VEST. The sacred texts of Zoroastrianism
22 Cook‘s pan (5)
ROAST – double def
Enjoying the Great British Seeing Bee so there’s hope yet on the fabric front but I still have a slight involuntary shudder every time I see “plant” in a clue.
35 mins bar that one then a few more minutes before in chucking the towel
Thanks for an enjoyable puzzle and blog