4  Comes out at night and follows sailor (7)

 9  Hand-wrote play, like many by Pinter (3-6)

10 Took tablets in old 6 (5)

11 Fancies Sadie when roughly handled (5)

12 Rivals trapped in wild gardens running across Kent and Surrey (9)

13 Secret police, hidden in cottages, tap old phones (7)

15 Contains cream for heat treatment? It's cold inside after sun (6)

17 Got hot and bothered in African country with iron deposits (6)

19 Proposed dump of eyesore, we hear, into school (7)

22 Calculation leads to 12 retiring (7,2)

24 Merchant's companion goes creeping around men (5)

26 Peacemakers sometimes on time, one length before (5)

27 Green Martian? (9)

28 Biss! (7)

29 Cross at birthday party? No thanks! (6)

 1  Allowing a tenancy (7)

 2  Schools meddler put "irrational" third in music dictionary (5)

 3  Mark goes in front of team with Jack on top (9)

 4  Boat found in studies of clouds (7)

 5  At heart, "Imagine" composed for waif (5)

 6  Will declaration be made by placid tail-end batsman in test? (9)

 7  Rule over without leader and settle (6)

 8  "Slowhand", at the double, has a go - I'm included (6)

14 Experimental alchemist substitutes one number for another and follows a plan (9)

16 Marvel introduces Spiderwoman's first boy, a visitor from outer space (6,3)

18 Ferguson, sat in these, starts defender upfield - the result of too much drink, twice? (7)

19 Fruits that daddy fondles (6)

20 Changed colour when imbibing whiskey, but can't be weeping (3-4)

21 Accept bird flying below animal (6)

23 Eric King controls the tension (5)

25 Stranger backs socialist party (5)