This page includes information about the 2024 periodic review of HS1 Ltd (PR24) and will be updated as the review progresses.
The periodic review 2024 (PR24) of HS1 Ltd covers funding for the period from 1 April 2025 to 31 March 2030, also known as control period 4 (CP4).
PR24 final determination
On 12 December 2024 we wrote to interested parties in accordance with specific implementation requirements before we can finalise our decisions. We have also published correspondence we have received from interested parties since the conclusion of the consultation on our draft determination.
Our approach to PR24
On 31 January 2023 we published our approach to PR24. This document sets out the approach we intend to take to the 2024 periodic review of HS1 Ltd. We also published a compilation of the responses received to our initial consultation.