Expires 90 days after purchase. Can be repurchased every 30 days. Limit 10 per 2 or 4 people, may buy 10 additional as gifts. Mandatory booking required 24 hours in advance. Check availability here and book here.); quote Groupon code. Present Groupon on arrival. 48-hour cancellation policy. Must be 18 or older. 6oz steak burger: additional Monterey Jack cheese, bacon or haggis available for £1, additional patty available for £2; Cajun chicken burger: additional Monterey Jack cheese or bacon available for £1. Valid for option purchased only. Verified using our merchant's website on 22 Sep 2017.