Coffee Break Cryptic

27 August

Across

1 Bigwig about to come back for reptile (5)
4 Approaches made by listeners after end of transmission (5)
7 Agreement to read pamphlet (8)
8 Payment for travel and food (4)
9 A cook's endless pain (4)
10 Mine worker taking dog by river (7)
12 Wrongly cultivating only rose and rue (11)
14 Stone that's great in construction? (7)
16 Deer in British India (4)
19 Make changes before publishing new diet (4)
20 Bishop without polish (8)
21 Eccentric names minister's house (5)
22 Piece of bullion, for example, brought back in boat (5)

Down

1 Instrument for a girl (5)
2 Vessel for baseball player (7)
3 Study article penned by socialist (4)
4 Nothing to boast about in cooler (3,2,3)
5 Terrible starts for anyone who files unread letters (5)
6 Sad to have church involved in witchcraft (7)
11 Bedfordshire town without capital, liable to collapse (8)
12 This could make me a lord! (7)
13 Small fiddle for cad (7)
15 Out without can? (3,2)
17 European holding cold ball (5)
18 Talk about Roundhead costume (4)