This Order amends the East Anglia THREE Offshore Wind Farm Order 2017, a development consent order under the Planning Act 2008, following an application made in accordance with the Infrastructure Planning (Changes to, and Revocation of, Development Consent Orders) Regulations 2011 for a non-material change under paragraph 2 of Schedule 6 to the Planning Act 2008. The Order makes changes to the permitted parameters of the wind turbine generators and offshore substations. The Order also updates the requirement in Part 3 of Schedule 1 in relation to the mitigation of the impact of the authorised development on Ministry of Defence air surveillance operations.