The Town and Country Planning (Environmental Impact Assessment) Regulations 2017 (“the TCP Regulations”) transpose changes made to EU Directive 2011/92/EU1 (“the EIA Directive”) by EU Directive 2014/52/EU2 . They relate to certain development given planning permission through the town and country planning system. The Infrastructure Planning (Environmental Impact Assessment) Regulations 2017 (“the IP Regulations”) transpose the same changes for development given planning consent through the nationally significant infrastructure planning regime.