 On 25 April 2013, The Welsh Government refused the planning appeal from WPD which was for 324 homes.On 30 August 2013, CELSA Group bought both Llanishen and Lisvane reservoirs from their owner Western Power Distribution, to assure its Cardiff rod mill plant a consistent supply of water from Lisvane.In January 2016, Welsh Water acquired both Llanishen and Lisvane reservoirs from CELSA Group on a 999-year lease.