I know that borough leaders are aware of this, and perhaps there can be some liaison with the boroughs, as well, through the Association of London Government (ALG).
That was originally where I was going, but we seem to have unearthed a whole new interesting line of enquiry. Perhaps you could come back with a written response to say what is being done rather than us put you on the spot here.
What new information did you receive that led you to reverse your previous decision on Patterson Park? Where are the two pieces of land which you feel are compensation for the loss of green space of Patterson Park? .