Cryptic crossword No 4,040

Across

1. Celebration after 16 in Shakespeare loses partner (4)
2. Entire term up: time for this (10)
3. Nannies beheaded? Crazy! Crazy! (6)
4. Couple appeal and dash (4)
5. Stately home behaviour, reportedly (5)
6. Badger a scourge at US hospital department (6)
7. Nervous, entering renowned gym (4)
8. Salesman with something for your roof is a cold-blooded sort (7)
9. Fortress that pulls? (5)
10. Lawns End mix-up at cricket ground (8)
11. Wind on return from lido (4)
12. Oh wow! Dorm in a mess, with this infesting it (8)
13. Perhaps a skill I see at short leg (7)
14. Disarray with 50, 500 swapped in for a number, resulting in a reaction (10)
15. Get stuck in cabin (5)

Down

1. 20, for example, went into school bounds: Wolfgang must give chase (5,5)
2. One in, one out of French President's unit (6)
3. Car manufacturer's residence (4)
4. Perhaps keeper takes note of weather: "worse" (8)
5. Westminster man's first to cross the Channel (4)
6. Pass on woman (5)
7. Foul: score reportedly halved (3,4)
8. Strength is returning, fresh (5)
9. Quiet! Rule about to be drilled into Frenchman on river (2,8)
10. Use of hotel required for idiot (3,4)
11. Knocked two drinks back with journalist and grumbled (8)
12. Fancy but partly torn at edges (6)
13. Scallywag to suspend Parliament, rejecting expert (5)
14. Work twice for a bird (4)
15. Author raced for the country (4)