Cryptic crossword No 3,809

Across

1. Gold and currency extremely impractical and variable, as a rule (10)
2. Request return of American record featuring European (4)
3. Bogart gone crazy, he's going downhill fast (10)
4. Retired cardinal embraces the French member of parliament (5)
5. Ship safer when involved in game at sea (9)
6. Clumsy work stopping grant (7)
7. Gnome Bill taking time (5)
8. Two Belizeans holding daggers (5)
9. Absolute right to house pre-delivery venues (5)
10. See 30d
11. Unconditional inheritance of strong mobile network connection chip starts to prove legally expensive (3,6)
12. Novel The Old Australian originally released in early January (3,4)
13. Dodgy afro I restyled for start of long weekend (4,6)
14. It protects idiot husband on board (10)
15. Country's excessively restricting government (4)
16. EastEnders recast around north missing a warmth (10)

Down

1. Frantically texting, you beg me to secure introduction to Rick Stein (4,3)
2. Again accept retro 80s pop act Rod taking drug (8)
3. In search of public bench, mainly (3,3)
4. Throwing up most of the booze that's dark (5)
5. Story entertaining for one subject (5)
6. Seeming to be in toilet getting Charlie? (7)
7. See 30d
8. See 10a
9. Down in bottom of heel it hurts (3)
10. One who just turns up with nearly the whole family (4-2)
11. Ran around swimmer claiming victory and sloped off (8)
12. Carpenter perhaps discovered some land (3)
13. Compensate for where absent director went? (6)
14. Fair and square answers here (6)
15. Ecuador mountain's elevated location (5)
16. Source of pain essentially nebulous - biceps, sternum? (5)
17. Elaborate headstone name in a single unit (3,3,3,4)
18. Touch dead sailor (3)