1 down. Throw. 5 letters.
2 down. Sound. 5 letters.
3 down. Stick on the coast of Lancashire? 9 letters and 4 letters.
4 down. Inked design. 6 letters.
5 down. Buyer of Mayfair for £400, e.g. 8 letters and 5 letters.
6 down. Don Juan. 6 letters.
7 down. Nick. 6 letters.
12 down. Hot flowing rock. 4 letters.
14 down. Food. 4 letters.
15 down. Puzzle. 6 letters.
16 down. Bell – spitting image. 6 letters.
17 down. Observe. 6 letters.
19 down. Buddy. 5 letters.
20 down. Lubricated. 5 letters.