A policy allowing access to the single-sex ponds based on gender identity is being challenged. Trans-inclusive policy at Hampstead ponds 'indirectly discriminates against women', campaigners say - Campaigners argue trans-inclusive policies at the pond are unlawful following last year’s. Hampstead Heath's chiefs are recommending its ladies' and men's ponds remain trans-inclusive alongside a series of upgrades to the existing facilities. The City of London Corporation's (CLC).