### Clue: Hear which method of transport British 5 select (10)
### Answer: BROOMSTICK 
 ### Explanation: Definition: method of transport
A charade of B ('British') plus ROOMS ('5'; the answer to 5A is SPACES) plus TICK ('select'). I have underlined the middle of the clue as definition, since 'hear which' is a wordplay for WITCH.