Objections to Arnos Grove CPZ Extension:
The decision-making process may be legally questionable under the Wednesbury Unreasonableness principle and could be challenged as ‘ultra vires’ if the CPZ is used for purposes beyond its original intent, such as enforcing environmental policies. The Attfield v. London Borough of Barnet (2013) case supports the argument that parking schemes should not be used to generate revenue under the guise of environmental protection.