Across:
8 Bar (BAN-) for the golfers (Golfing Union of Ireland = -GUI) (BANGUI) in Centralised African capital (capital of the Central African Republic = BANGUI),
9 Of course, warnings from those doing driving (‘fores’ = warnings on golf course = FORES-) test (-TRY) (FORESTRY) studying the layout of Barna Woods, for example (FORESTRY),
10 Dislikes chucking out disk (‘dislikes’ chucking out ‘disk’ = lies = LIES) of made-up stories (LIES),
11 Useful on holiday (CASE-), on a job (-WORKER) (CASEWORKER) or on a social services posting (CASEWORKER),
12 Steel top (‘Steel’ top = (S-) from dilapidated shed (-HOVEL) (SHOVEL) found on a beach (SHOVEL),
14 One who organises (ARRANGER) one in a jam perhaps (musician = ARRANGER),
15 After a long stint, leave ahead of time (EARLY RETIREMENT) and fall into bed before supper (EARLY RETIREMENT),
18 Dealer in the dock’s (dealer in the docks/ships’ supplies = CHANDLER) club (C-) has a name on the radio (-HANDLE-) for tipping records (tipping ‘Records’ = -R) (CHANDLER),
20 Type of marketeer (FARMER) raising stock issues (FARMER),
22 Let cadet be (let cadet be = DETECTABLE) – trouble (= anagram indicator) can be worked out by the officer (DETECTABLE),
24 Current (FLOW) followers dismiss loser (‘followers’ dismiss ‘loser’ = folw = FLOW),
25 Plot (BED-) and digs (-ROOMS) (BEDROOMS) aimed at retiring types (BEDROOMS),
26 Museum display of Socialist realism, for example (Red Art), set-up (= reversal indicator) (red art = TRADER) by dealer (TRADER).
Down:
1 Is rather sweet during the break (DANISH pastry) describing Hamlet (DANISH),
2 It takes a very long time (AGES) for the Wise Guys (sages) to lose the head (s) (‘sages’ without ‘s’ = AGES),
3 Crucial (crucial = CIRCULA-) play (= anagram indicator) with right (-R) (CIRCULAR) message for wider distribution (CIRCULAR),
4 Half the food (half the ‘FOod’ = -FO-) in America (US = U-S) (UFOS) produced by crafty types, the subject of conspiracy theorists (UFOS)
5 Is capable of making 23 down (BREWER is capable of making ‘bass’) with stout fellow perhaps (BREWER),
6 One of those out watching the stars (ASTRONOMER) for The Observer (eye) who presumably won’t look at The Sun? (don’t look at the sun with naked eye - ASTRONOMER),
7 It doesn’t cost anything (FREE) to put it on a horse (REIN) (FREE REIN) with a lack of restraints (FREE REIN),
13 Offers (VOLUNTEERS) to adapt (= anagram indicator) novels? True! (novels true = VOLUNTEERS),
14 Undergo a sea change (ALTER) at top of the church (‘altar’ = ‘ALTER’) state (= homophone indicator),
16 Got good result (ACHIEVED) with a (A-) new (= anagram indicator) device (device = -C-IEVED) covering hotel (-H-) (ACHIEVED),
17 Sends back (REFLECTS) mirrors (REFLECTS),
19 One of those with pride (lion = L-ION) consuming good books (Old Testament = -OT-) (LOTION) that will presumably save one’s skin (LOTION),
21 Crumbles (ERODES) seed or (seed or = ERODES) nuts (= anagram indicator),
23 Guitar (BASS guitar) bands – Babyshambles and Kiss (bands/sides of ‘ BAbyshambles and KiSS’ = BASS),
24 One of The Commotions (FLAP) turns up (= reversal indicator) for Bud (pal = -LAP) and loud music (forte = F-) (FLAP).