Booking an Event
Watford Council, who own and manage the park, should be contacted with all enquiries relating to holding an event within Cassiobury Park.
They can be contacted at the following e-mail address firstname.lastname@example.org. The main council switchboard can be reached by telephone on 01923 226400.
Details of how to obtain permission to film in the park, including rates, can be foundВ here.
I do not work for the council so please do not contact me asking if you can hold your event within the park.