Caravan locks are fairly standard across caravan ranges. You will find you can remove the lock from the inside of the door. Take it out & if there is no number to allow provision of replacement keys then take lock to caravan shop & match it up to a new one complete with keys.
Amazing family weekend with old steam engines, classic car displays, market stalls, and full catering and bar. And camping on site - Save £25 by booking in advance.