Across:
8 Papers (ID papers) review (= reversal indicator) (ID = DI-) most of (l) The Short (‘small’ without ‘l’ = -SMAL) (DISMAL) – it’s dark (DISMAL),
9 Usurp Don (Usurp Don = ROUND-UPS) organising (= anagram indicator) the accumulations of stock (ROUND-UPS),
10 Eccentric (DAFT) angler vacates garden flat (‘angler’ vacate ‘garden flat’ = dfat = DAFT),
11 Food warning perhaps (DINNER BELL) reverberates at lunchtime (DINNER BELL),
12 Tried (HAD A GO) to hold-up first (‘hold-up’ first = H-) bill (-AD-) from government lawyer (attorney general = -A G-) and it came to nothing (-O) (HAD A GO),
14 Lose the will to live (PINE AWAY) in the forest (PINE) out of town (AWAY) (PINE AWAY),
15 Forming lasting relationships (BUILDING BRIDGES) is what people like James Gandon were doing for a living across The Liffey (architect James Gandon built O’Connell Bridge = BUILDING BRIDGES),
18 Most of the local objection (most of the ‘beef’ = BEE-) to allergic reaction (-HIVES) (BEEHIVES) put up by the honey producers (BEEHIVES),
20 Continues to miss sun (‘continues’ to miss ‘sun’ = contie = NOTICE) warning (NOTICE),
22 Winter sports people (ICE SKATERS) seek racist (seek racist = ICE SKATERS) out (= anagram indicator),
24 Undergo a turnabout immersed (‘undergo a turnabout’ immersed = GOAT) on the farm (GOAT),
25 Prickly types (BRAMBLES) of big-headed (‘big’ headed = B-) tramps (-RAMBLES) (BRAMBLES),
26 Cheating on the pitch (DIVING) for those taking the plunge (DIVING).
Down:
1 Spies (CIA = CI-A) capture scoundrel (-CAD-) (CICADA) with annoying bug (CICADA),
2 Leave it out (OMIT), as it’s got nothing (O-) to do with short (e) prison sentence (time) being raised? (= reversal indicator) (‘time’ = ‘emit’ = without ‘e’ = -MIT) (OMIT),
3 Starts grilling langoustines dipped (starts ‘grilling langoustines dipped’ = GL-D-) in some garlic mayonnaise (aioli = -A-ILOI) (GLADIOLI) for relatives of Iris (GLADIOLI),
4 Tracy left Cary Grant (‘Tracy’ left ‘Cary Grant’ = argn = GRAN) in the old folks home perhaps (GRAN),
5 A number of sides for turquoise-green (a number of sides for ‘turquoise-green’ = TUREEN) dish of Gazpacho (TUREEN),
6 DAA (DAA = A DA-) craft (= anagram indicator) worker (HAND) consumed by night flyer (bat = -B AT) (A DAB HAND AT) is well able to do the job (A DAB HAND AT),
7 One of the Wise Men (S-AGE) protects Tablet (-PILL-) (SPILLAGE) when his pint ends up on the floor (SPILLAGE),
13 They are from Clones (clones/replicas = ALL THE SAME) nevertheless (ALL THE SAME),
14 Remove iron from Singapore (remove ‘iron’ from ‘Singapore’ = sgape = PAGES) in sheets (PAGES),
16 Cures sad (cures sad = USED CARS), sick (= anagram indicator) types, no longer in their prime but still capable of going on the road (USED CARS),
17 One of the calls (RING-) by Munster (-SIDE) (RINGSIDE) leads to a fight in the middle of arena (RINGSIDE),
19 It’s within the realms of possibility (VIABLE) for cable television to drop elections (‘cable television’ to drop ‘elections’ = ablevi = VIABLE),
21 Bond’s (bonds = CHAINS) sequence (CHAIN-) at the start of Skyfall (at the start of ‘Skyfall’ = -S) (CHAINS),
23 It’s not difficult (EASY) for Ken to leave Yankees (‘Ken’ to leave ‘Yankees’ = yaes = EASY),
24 Grant (GIVE) ran out of vinegar (‘ran’ out of ‘vinegar’ = vieg = GIVE).