10 Argon extracted from earthly compound to make type of alcohol (5)

11 Hotel employee's scam, primarily covering insurance excess, ruins guest's experience (9)

12 Housing cost including setter's monetary demand results in loan redemption (9)

13 Record is constantly seen going around here (5)

14 Design software and casting moulds for storage units (7)

16 Guy Nicolas from Hollywood finds hearty protection (7)

18 Cleisthenes and Homer initially appearing in play to get something they might have spent (7)

20 Sign from origins of starry constellation once ruling planets in orbit (7)

22 Visual means of dispensing a tot? (5)

24 That man Garfunkel had an opinion that was meaningful (9)

26 Sneering South American Catholic takes wine before beginning of communion (9)

27 First couple in Tokyo travelling eastwards, finding old capital (5)

28 Showing off smash hit mix in Boise (13)

 2  Like a horseshoe you reportedly moulded? (1-6)

 3  Marine invertebrate coming from set angle (9)

 4  Hidden store of endless distinction (5)

 5  Soldier's island where Douglas is a sailor chased by heartless marines (3-2-4)

 6  Took shot at empty tanker parked on top of crude bomb (5)

 7  Landmass containing many capitals - unfortunately as a rule I ignore Lima (7)

 8  Having overcome hesitation, found theatre audience a home of sorts (8,5)

 9  Erm...loco to rent, re-engineered to give means of reaching different stations (6,7)

15 Belgian city ethnic quarter lacking nothing? Finally I can get pasta! (9)

17 Mark is one to know how to pay for reading material (4,5)

19 A new location for 16 doesn't have old disease (7)

21 Senna oil is regularly below acidity scale for disinfectants (7)

23 South American beast's fur I go after (5)

25 Foundations of a short cut in international binary code (5)