Across
- 2. Neil, perhaps, is fresh (5)
- 4. Trees for a club (4)
- 5. Brown after a sunbed session (3)
- 10. A number of people in theatre (12)
- 12. Significant scale for an officer (5)
- 14. Talk for a time regarding nominative determinism (4)
- 16. Barriers built by west with everyone heading south (5)
- 18. Animal runs quickly (4)
- 19. SW London region can shelter educational supervisor (6)
- 20. Souper model? (8)
Down
- 1. Doctor seen when rush goes on (7)
- 3. Solo learner loves neon (4)
- 4. Measures of power, or perhaps what's spoken aloud (5)
- 6. Average headless bloke invaded England (6)
- 7. Driver transporting goods has 'er cart overturned (6)
- 8. Ruler found in bakin' group or chess board (4)
- 9. Was not turning into Holmes's partner (6)
- 11. Blower found in nursery rhyme (6)
- 13. Group of rooms that sound delicious (5)
- 15. Scatter beam of sunshine after area loses hotshot (5)
- 17. Bright or not heavy (5)
- 21. This Consultant can be found doing an ad-lib anaesthetic update (5)