Consultation on a shortlist of regulatory models for Heathrow

CAP3251 is a consultation on a shortlist of regulatory models for Heathrow airport. This follows a working paper published in November 2025 (CAP3195).

This document includes:

• an update on the case for changing the current regulatory framework at Heathrow airport;
• an update to the framework for evaluating whether different regulatory models would be likely to further the interest of consumers; and
• our assessment of possible alternative regulatory models and a proposed shortlist.

Read: CAP3251: Heathrow capacity expansion – consultation on a shortlist of regulatory models