No, there isn’t a cash point on site or cash back. There are places with a cash point near the showground you can go to before entry to the show. The closest ones are:
Esso Petrol Station and Shell petrol station located A17 Winthorpe Roundabout, Newark NG24 2NY.
Lincolnshire Co-op Collingham Food Store - High St, Collingham, Newark NG23 7LB
Lincolnshire Co-op The Bridge Food Store - The Bridge, Lincoln Rd, Newark NG24 2DQ