The Sunday Crossword No 3082, Sunday 12 Jan 2020

ACROSS
1   No date including 'to be announced' is acceptable (3,3) NOT BAD {NO}{TBA}{D}
4   Auntie with tiny antiquated computer (3,5) BBC MICRO {BBC}{MICRO}
9   Figure in Christianity, Father Xmas, heading to North at the end (5) SATAN SA(-n)TA(+n)N
10 Learner pulled into street, kept turning left, source of children’s amusement (5,4) ROALD DAHL {ROA{L}D}{HAD<=}{L}
11 Say, are you familiar with goddess of marriage? (4) JUNO (~ you know)
12 Privacy regulation initially gets department panicking royally (4) GDPR Acrostic Shouldn't the enu be (1,1,1,1)
13 United overwhelmed by many hooligans (5) LOUTS {LO{U}TS}
15 Strange: Everyman’s turning into extremely blasé urbanite (7) BRUMMIE {RUM}{I'M<=} in {BlasE}
16 Cross-beam, just what doctor ordered (1-3) X-RAY {X}{RAY}
19 Head of lettuce in oil lacking spice (4) FLAT {F{Le...e}AT}
20 Slippery Gove circumventing Regina to add embellishment (4-3) OVER-EGG {OVE{REG}G*}
23 Old Opel needing starter given speed: va-va-voom! (5) OOMPH {O}{Opel}{MPH} Needing starter?
24 German hiding among grottoes (4) OTTO [T]
25 Smoker about to open bidding (4) ANTE<=
27 Instrument you imagine is involved in heavy metal? (3,6) AIR GUITAR [CD]
28 Poet is on fire (5) BURNS [DD]
29 What might make you frigid and testy? (4,4) COLD SORE [C&DD]
30 City seeing wild Thebans losing capital in Boeotia (6) ATHENS THEbANS*

DOWN
1   Is familiar with, they say, patient figures coming to surgery (4,4) NOSE JOBS (~knows jobs)
2   Volatile bituminate shedding casing to reveal element useful for aeronautics (8) TITANIUM bITUMINATe*
3   Source of French river is outstanding, outstanding (1-3) A-ONE sAONE
5   Victorian figure, stimulating a Brexit, to do very little work (7,6) BEATRIX POTTER {A+BREXIT}*{POTTER}
6   ‘Gilded Mead’ brewed for 40-60 years? (6-4) MIDDLE-AGED*
7   Try to impress bowler, perhaps, in prize competition (4,2) CHAT UP {C{HAT}UP}
8   Wise, capable of most points of view? (6) OWLISH [DD]
10 Dry tone affected by rogue comic character (6,7) RODNEY TROTTER {DRY+TONE}*{ROTTER}
14 Hot, Everyman’s wearing lingerie in period after midnight (5,5) SMALL HOURS {H}{OUR} in {SMALLS}
17 Childcare specialist went berserk, sure to be replaced (3,5) WET NURSE {WENT*}{SURE*}
18 Man-eaters go back to get topless clothing (8) OGRESSES {GO<=}{dRESSES}
21 Work of art describing Jewish lawgiver (6) MOSAIC [DD]
22 Unprincipled city’s backing withdrawn from mayoral motion (6) AMORAL MAyORAL*
26 Kicking heroin habit for short while (1,3) A BIT hABIT

Reference List

Date = D, To be announced = TBA, North = N, Learner = L, Left = L, United = U, Old = O, Hot = H, Heroin = H