Christina Efthimiou claimed price increase at Kenwood ladies' bathing pond had unfair impact on people with disabilities A disabled swimmer has lost a high court case over ticket prices at the Kenwood ladies' bathing pond in Hampstead Heath in north London. Christina Efthimiou had asked the court to overturn a 2021 increase in prices at the pond on the grounds that the cost disproportionately affected people with disabilities.