On 25 October 2023, Ofwat published a consultation about our proposal to modify the Conditions of Appointment (licence) of ESP Water Limited, a new appointee (NAV). The consultation closed on 6 December 2023. This document sets out our decision to modify the licence of ESP Water Limited. It constitutes a statutory notice under section 12A of the Water Industry Act 1991 (WIA91). The modification wording is shown in the Appendix. Under section 12A of the WIA91, we can modify the conditions of an English water company’s licence subject to the procedural requirements set out in sections 12A-12I of the WIA91.