1: Run away with Cockney stride (5)
4: Gorilla taking head off at it's base! (3)
6: Freshen the atmosphere (3)
7: Frost over mid-January during epic exploit (3,2)
8: Android's gold love-apple close to Krypton (9)
10: Is South about to evacuate? Just the opposite! (5)
11: I've lost struggle (3)
12: Beauty stripping top and bottom is an additional feature (3)
13: Wicker basket a North American Indian left (5)