Send another demanding the info under the 2000 freedom of information act
https://www.whatdotheyknow.com/?gclid=EAIaIQobChMI55GSytvg4QIVr7ztCh2VxQ-AEAAYASAAEgKhr_D_BwE
They are obliged to reply within 14 ( might now be 7 ) days
"The Act places a duty on public authorities to adopt and maintain publication schemes.
Such schemes must set out the types of information the authority publishes, the form in which the information is published and details of any charges.
Schemes must be approved by the Information Commissioner who is responsible for enforcing the Act."