1 down. Filter air – not at home. 6 letters and 3 letters.
2 down. Fail to warm up sufficiently before start of game – one’s likely to lose. 8 letters.
3 down. Before artist put on the canvas new religious work. 5 letters.
4 down. Feel sad? Come in. 5 letters and 4 letters.
5 down. Beating from punch, getting cut before sound of the bell. 6 letters.
6 down. Rugby Union club having straight rugby posts? 5 letters.
7 down. Perhaps copper maintains good power – it might retain output from battery for consumer. 6 letters.
8 down. Pretty certain con is set-up – sucker not Yankee. 4-2 letters.
14 down. Not initially bad weather for swimming in spring? 9 letters.
16 down. Romeo during passion done in a flash. 9 letters.
17 down. Ocean vessel docked for a major route. 8 letters.
18 down. Biblical figure formed from rib inspiring epistle. 6 letters.
20 down. They hold balls in opening of Royal Ascot racing. 6 letters.
21 down. Body in zone for running during training. 6 letters.
23 down. Criticise old following Conservative Party. 5 letters.
24 down. Old singer, ace, supporting Spice Girl. 5 letters.