Across:
1 After hours, removes turf (‘after hours’, removes ‘turf’ = aerhos = HOARSE) and rough, in a manner of speaking (HOARSE),
4 Tops (SWEATERS) some wasabi starters (‘Some Wasabi’ starters = SW-) for consumers (eaters = -EATERS) (SWEATERS),
9 Broke (= anagram indicator) arm (arm = -AMR-) in bar (R-OD) (RAMROD) – you could press charges with this (RAMROD = rod to ram down the charge into a muzzle firearm),
10 Weighs more on (STODGIER) soldier (-GI-) in Dorset (Dorset = STOD-ER) running amok (= anagram indicator) (STODGIER),
12 Run the meeting (chair = C- HAIR) welcoming web address (url = -URL-) by Yemeni leader (‘Yemeni’ leader = -Y) (CURLY HAIR) – the type over The Temple that’ll grow on you (CURLY HAIR),
13 Switching (= reverse indicator) sample of methanol emptied (sample of ‘methaNOL EMptied’ = nolem = MELON) of fruit (MELON),
14 The Greens’ (the greens = SPRING ONIONS) source (SPRING) contacts 21 across (‘onion’ = ONION-) for direction (South = -S) (SPRING ONIONS),
18 Lying (STORYTELLING) with 3 down (‘story’ = STORY-) is revealing (telling = -TELLING) (STORYTELLING),
21 Connoisseur releases curses (‘connoisseur’ releases ‘curses’ = onnoi = ONION) and the person handling it is reduced to tears (ONION),
22 One of those watching the stars (TELESCOPE) with Lawrence (TE Lawrence = TE-) and Lesley (-LES-) Clare (CE = C-E-) entertaining Oscar (-O-) and Penny (-P-) (TELESCOPE),
24 For party (DO-), for government (-G-) and for parliament (-HOUSE) (DOGHOUSE) – Rex is bound to be there (DOGHOUSE),
25 A lot (a lot) wrong (= anagram indicator) (a lot = -LOAT-) in backing (= reverse indicator) party (Sinn Féin = SF = F-S) (FLOATS) observed by crowd on the streets at St Patrick’s Day Parade (FLOATS),
26 Undiagnosed without aid (‘undiagnosed’ without ‘aid’ = ungnosed = DUNGEONS) from those underlying cells (DUNGEONS),
27 Mythical revellers with a reputation for being drunk (SATYRS) posed (posed/SAT-) on summits for Yardbirds’ record sleeves (summits for ‘Yardbirds Record Sleeves’ = -YRS) (SATYRS).
Down:
1 It’s difficult (HARD) to top Christmas (top ‘Christmas’ = C-) Tree (-ASH) (HARD CASH) with the pocket money that’s available? (HARD CASH),
2 Sets up (= reverse indicator) society (-S) for revolutionary (red = -D-ER-) over Border (rim = -MIR-) with a (A-) (ADMIRERS) number of supporters (ADMIRERS),
3 Hugo is out of yoghourts (‘Hugo’ is out of ‘yoghourts’ = yorts = STORY) or is that a lie? (STORY),
5 Childish weapons produced in Bath (WATER PISTOLS) presumably used to liquidate those making a splash around pool? (WATER PISTOLS)
6 Part of the body (ABDOMINAL) produced by awful (= anagram indicator) bad oilman (bad oilman = ABDOMINAL),
7 If Baudelaire loses aura (‘Baudelaire’ loses ‘aura’ = bdelie = EDIBLE) it will go down well (EDIBLE),
8 Well (SPRING) well? (SPRING),
11 Donald Junior perhaps (FAVOURITE SON) – a potential presidential candidate with grassroots support (FAVOURITE SON),
15 The bottom line (NET INCOME) in odd (= anagram indicator) notice (notice = ET INCO-) in NME (NME = N- -ME) (NET INCOME),
16 Soya base (MISO-) with gnocchi and mint yoghurt starters? (‘Gnocchi And Mint Yoghurt’ starters = -GAMY) (MISOGAMY) promoted, we hear (= homophone indicator), presumably by Batchelors? (‘Batchelors’ = ‘bachelors’ promote MISOGAMY),
17 See gross (see gross), crazy (= anagram indicator) (see gross = OGRESSES) big cannibals (man-eating female giants = OGRESSES),
19 Unsavoury type (SORDID) playing (= anagram indicator) Doris (Doris = SORDI-) Day from the start (‘Day’ from the start = -D) (SORDID),
20 Broadcast on the radio (AIR) piece (GUN) (AIR GUN) that if it’s targeted at you it will come as a body blow (AIR GUN),
23 Dip (SALSA) in capital’s artificial lake (capitals ‘artificial lake’ = -AL-) seduced by ship (SS = S-S-) coming from Midway (mid ‘wAy’ = -A) (SALSA).