Cryptic crossword

ACROSS

1. Retired representative or prime minister, one not strictly belonging (8)

6. Ineffective person was originally a little devil (4)

9. Large and small estates (5)

10. Small pond choked by water grass came back (9)

12. Singers messed up entrance (7)

13. Bars a simple-minded person on board ship (7)

14. Customer’s opening request in wine store (4)

15. US capital used to be nothing out of the ordinary (10)

18. Hardship and pressure absorbed by Spooner is complicated (10)

20. Digger used on the perimeter of large excavation (4)

23. Husband losing memory stick discovered tool (7)

25. Mother included in ramble (7)

26. Stick with Drive that is consumed by senior laundry worker (4-5)

27. Colour on the outside of a black mark (5)

28. High-pitched sound made by buzzer pressed at the front (4)

29. Find sound recording too much (8)

DOWN

2. Adult gets on with guides (7)

3. Estate with investment in wine took it easy (6)

4. French people’s standard is repeatedly breached by one (9)

5. Section of newspaper is estimating pay increases (5)

6. Download disrupted in a long-established area of growth (8)

7. Recognised cross and ring in wreckage of ute (4,3)

8. All the cops, out of uniform, moved around wearing...? (5,7)

11. Unearth unfinished jar and break up (12)

16. Impressions made by Animal Farm represented in catchy phrases? (4-5)

17. Dupe sent all over the place became anxious (6,2) 19. Author’s verse, written inside, that is solemn (7)

21. One travelling in restored Model-T is ancient (3-4)

22. Various jousts arranged with precision (4,2)

24. Unnatural water source close to Auckland (5)