My apologies for the late appearance of this post. I didn’t realise until about 3pm that the scheduled blogger hadn’t turned up. Fortunately this was a very quick solve (it took much longer to write the post!). Please excuse any typos but I have an optical migraine at the moment and cannot see the screen clearly.
Across
1 British relative behind estate, say, that’s an eyesore? (9)
CARBUNCLE – CAR (estate, say) B (British) UNCLE (relative)
6 Wind and sun found around foreign river (5)
SPOOL – SOL (sun) around PO (foreign river)
9 Native disrupted mass in country abroad (7)
VIETNAM – anagram (disrupted) of NATIVE M (mass)
10 Secure half-heartedly favourite hotel in northern town (7)
MORPETH – MO[o]R (secure half-heartedly) PET (favourite) H (hotel)
11 Message delivered by a chirpy type? (5)
TWEET – cryptic def.
12 Trustee getting on with Scot – moving scenes come from such? (9)
TRAGEDIAN – TR (trustee) AGED (getting on) IAN (Scot)
14 Look concealed by chairman (3)
AIR – hidden in ‘chAIRman’
15 A drag addict? (5-6)
CHAIN-SMOKER – cryptic def.
17 Early element in table? (4,7)
HORS D’OEUVRE – cryptic def.
19 Curtail insignificant conceit by a wordsmith? (3)
PUN – PUN[y] (curtail insignificant)
20 Condition besetting a gentleman associated with a criminal (3-6)
RAM-RAIDER – RIDER (condition) around (besetting) A MR (gentleman) A
22 Run into outhouse for scrap (5)
SHRED – R (run) in SHED (outhouse)
24 Key member of ascetic sect accepting leader in communion (7)
ESSENCE – C[ommunion] in ESSENE (member of ascetic sect)
26 Can uncovered around noted statue, source of graffiti? (7)
AEROSOL – [g]AOL (can uncovered) around EROS (noted statue)
27 Irritable lot in retreat getting tips in therapy (5)
TESTY – SET (lot) reversed (in retreat) T[herap]Y
28 Sailor by yard with army officer and friend in a terrible way (9)
ABYSMALLY – AB (sailor) Y (yard) SM (army offocer) ALLY (friend)
Down
1 Queen abandoning secret desire (5)
COVET – COV[er]T (queen abandoning secret)
2 Reportedly, travel over water with cherished animals (3,4)
ROE DEER – homophone of ‘row’ (travel over water) ‘dear’ (cherished)
3 One in Paris describing plain cakes not commented upon? (9)
UNNOTICED – UN (one in Paris) NOT ICED (describing plain cakes)
4 Mood a cheat created around end of game to reach a climax (4,2,1,4)
COME TO A HEAD – anagram (created) of MOOD A CHEAT around [gam]E
5 Steer clear of hard wood (3)
ELM – [h]ELM (steer clear of hard)
6 Movement in crowd certain when taking in first of goals (5)
SURGE – G[oals] in SURE (certain)
7 Former student likes fancy pillar (7)
OBELISK – OB (former student) anagram (fancy) of LIKES
8 See one brooding smile in opera (9)
LOHENGRIN – LO (see) HEN (one brooding) GRIN (smile)
13 A northern province and most of island entering quite special occasion (11)
ANNIVERSARY – A N (northern) NI (province) SAR[k] (most of island) in VERY (quite)
14 House located by Republican in a London suburb is execrable (9)
ABHORRENT – HO (house) R (Republican) in A BRENT (London suburb)
16 Realm most disturbed in disorder (9)
MAELSTROM – anagram (disturbed) of REALM MOST
18 Ancient king shown by artist with energy in dining area (7)
RAMESES – RA (artist) E (energy) in MESS (dining area)
19 Study country with limited trade (7)
PERUSAL – PERU (country) SAL[e] (limited trade)
21 Bother a number in US city (5)
ANNOY – A NO (number) in NY (US city)
23 Pause in university department for reflection (5)
DELAY – YALE (university) D (department) reversed (for reflection)
25 Long period in wild without jacket (3)
ERA – [f]ERA[l] (wild without jacket)
I had trouble in the SE corner after entering SHERD for 22a.