Aww this would have been perfect for me and my husband coming from York and could have chipped in for the petrol but we’re staying at Inner Sanctum which is just near the festival. Ashley
Contact the post office and ask to change delivery address surely? Not familiar with how the Royal Mail works, but with registered mail here you can request alternative delivery options (or does initial delivery have to fail before that kicks in?). Would assume that now it’s left See Tickets that the post office are the best bet.