Possible Clues:

• Surprise greatly - like Villa?
• Bowl over
• Cause to gasp
• Last on, is hoping to contain surprise
• Last on is heckled taking floor
• A bit like part of Birmingham, creating surprise?
• Shock with least on is hard outside
• 'Surprise!', like host in broadcast
• Perhaps Martin's partner in sports car is hard to shock
• “Villa’s other half is hotel” shock