Possible Clues:

• Battle - one taking place in West London suburb
• West London area taking one on board -- director's call?
• Sex, euphemistically
• Head off with camp into battle
• The first part of play is battling on
• Deed, maybe battle
• A moving bit of war
• Carry out director's instruction
• The fighting at the beginning of the play is being played
• Is the beginning of the play on in court?