1: Nightwear and jersey top added in afterthought (3)

3: Vegetable has red cap (5)

5: Throw out faulty nib (3)

6: A fellow's legs may be protected by these (5)

8: Woman losing head after another fall (9)

9: Rapidity with which heat's dissipated (5)

10: Take Chair in university (3)

12: Heavenly visitor to arrive on time (5)

13: Small piece of fish (3)

1: at peoples uptown bar for starters? (3)

2: Some slippers and also shoes (7)

3: Capital - a Schubert composition (9)

4: A sample makes sense (5)

7: Charged a couple of hundred, getting exploited (7)

8: Spread hocus-pocus partly for this particular purpose (2,3)

11: Clean oneself, but in reverse (3)