Observer Everyman

Across 1. Add to enclosure containing buildings (8)

6. Stare at Oscar with endless joy (4) 10. Fish in perspective (5) 11. Staff thus after end of seminar tucked into pasta and left (9) 12. Pious in retreat? On the contrary, in truth (8) 13. Captains ignoring very quiet competitors in winter sport? (6) 15. Monotonous style ruins good broadcast (4-10) 18. Observed disc following fool with no time for UFO sighting? (5,9) 20. Player’s second foul allowed (6) 21. Consultative volume is probing trouble with railway (8)

24. Discovery coming from confinement with carbon instead of nitrogen (9) 25. Rebel finally, to some extent, impish (5) 26. Study without large merit (4) 27. Meal about right with definite value (8)

Down

2. Old tips for restoring an instrument (5) 3. Delighted with sale, chap ends up getting tipsy (7,2,5) 4. Crude vote, nearly held by university, dropped (10) 5. Five hundred on vessel without light (4) 7. See about run, refreshed after drink and biscuit (6,3) 8. Sign up in street topped with funny line (6) 9. Mischief aboard vital vehicle popular during disorder (6,8) 10. Horrified tourist’s latest story coming up, about hotel (6) 14. Page on garden in preliminary survey getting priority (10) 16. United in due course to protect large south-western lake (9) 17. Shaft of light in trick becoming stick of wax? (6) 19. Assurance in place with advantage (6) 22. Upset about supporting bad proposal (5) 23. Reportedly avoided thin fog (4)