Across:
1 Did a turn (CYCLED) as series (CYCLE-) director (-D) (CYCLED),
4 Exchanged (SWITCHED) intelligence (-WIT-) with Charlie (-C-) in storage facility (shed = S-HED) (SWITCHED),
9 Those types on the estate (LANDED gentry/those types on estate) came down to earth with a bump perhaps (LANDED),
10 Super ale (super ale) drunk (= anagram indicator) (super ale = PLEASURE) by Joy (PLEASURE),
12 Stack’s (stacks = MOUNTAINS) horse (MOUNT-) on a (-A-) popular (-IN-) racecourse is second last (‘racecourSe’ is second last = -S) (MOUNTAINS),
13 Full (SATED) sandwich plate, sides (‘SAndwich plaTE’ sides = SATE-) ahead of dinner (a head of ‘Dinner’ = -D) (SATED),
14 Swearing in (INSTALLATION) Lodge (INSTAL-) and Order (-O-), in a manner of speaking (Latin = LATI-N) (INSTALLATION),
18 Travel agent perhaps (HOLIDAYMAKER) is taking a break (HOLIDAYMAKER),
21 Boulders from dishonourable (‘boulders’ from ‘dishonourable’ = ihona = HANOI) capital in Asia (HANOI),
22 Sarah (S-ALLY) admits serving up one (-I-) penny bun (penny bun = cep = -PEC-) (SPECIALLY) for a particular purpose (SPECIALLY),
24 Came to the conclusion (REALISED) dealer is (dealer is) crazy (= anagram indicator) (dealer is = REALISED),
25 Great uncle cuts acre (‘great uncle’ cuts ‘acre’ = gtunle = GLUTEN) with a component of grain that some people can’t take (GLUTEN),
26 The old poet’s (the old poets = BEATNIKS) family (kin) caught up (= reversal indicator) (kin = -NIK-) in strikes (strikes/beats = BEAT-S) (BEATNIKS),
27 Pictures (PRINTS) of sprint (sprint) runner (= anagram indicator) (sprint = PRINTS).
Down:
1 State (COLOMBIA, South America) spies (C-IA) frame Rocky (= anagram indicator) Bloom (Bloom = -OLOMB-) (COLOMBIA),
2 Nero leaves Queen Consort (‘Nero’ leaves ‘Queen Consort’ = queconst = CONQUEST) to take another by force (CONQUEST),
3 Closing the surveillance (closing the ‘surveillancE’ = E-) outlet (-VENT) (EVENT) is a news item (EVENT),
5 Do you need this to get in touch with Irish Water (WELL-) located (SITUATED) (WELL-SITUATED) on a great site? (WELL-SITUATED),
6 One (i) leaves coach (train) (‘i’ leaves ‘train’ = TRAN-) and school (-S-) class (-FORM) (TRANSFORM) with convert (TRANSFORM),
7 Hangs around (HAUNTS) for hotel (H-) worker’s (workers = ants) speech (= homophone indicator) (‘ants’ = ‘aunts’ = -AUNTS) (HAUNTS),
8 Hates the thought of (DREADS) director (D-) getting to run an eye over the books (-READ-) for Society (-S) (DREADS)
11 Teacher (SIR-) gets some cuts (loins = -LOIN S-) from Wood (teak = -TEAK) (SIRLOIN STEAK) – the one the vegans avoid (SIRLOIN STEAK),
15 Scared off anabolic steroid (‘scared’ off ‘anabolic steroid’ = nabolitoi = ABOLITION) – it destroys the system (ABOLITION),
16 Kildare (-KE-) accommodation (-LET-) mentioned in State (= homophone indicator) Paper (‘Sun’ = ‘son’ = S-ON) (SKELETON) discovered by archaeologist (SKELETON),
17 Those tiny and large columns that are blind (ARMY ANTS are blind and are organised in large columns) to a private organisation (ARMY) associated with workers (ANTS) (ARMY ANTS),
19 Angelic figure (CHERUB) from revolutionary (CHE-) Russia (-RU-) starting to break (starting to ‘Break’ = -B) (CHERUB),
20 American (Yank) loses the head (y) (‘yank’ without ‘y’ = ANK-) with a (-A-) trim (y) swimmer (‘ray’ without ‘y’ = -RA) (ANKARA) from European capital (ANKARA)
23 Kill deer ignoring elk (‘kill deer’ ignoring ‘elk’ = ilder = IDLER) or do nothing? (IDLER).