Because the BBC article linked above on 27th April said at the end
"A CLC spokesperson said: "All options have been informed by our recent public consultation, expert legal advice, equality impact assessments, safeguarding responsibilities, and operational requirements.
"As part of our formal governance process, the Hampstead Heath Consultative Committee, which brings together local stakeholder groups, will discuss the paper and provide feedback on 5 May .
"The report will then be put forward to Members of the Hampstead Heath, Highgate Wood and Queen's Park Committee at their public meeting on 12 May and Policy and Resources Committee on 4 June for decision, with feedback carried forward at each stage."