It is possible to reverse a Planning Appeal Decision, but only on very strict legal grounds. The decision of an Inspector can be quashed by the High Court but the Appeal case will then be remitted to the Planning Inspectorate for a fresh airing, however with guidance from the bench.
Costs are at stake and Advocates will not have the ability to grill the Inspector who conducted the Planning Appeal, as this role is undertaken on their behalf by the Treasury Solicitor who is very experienced and well briefed in these matters.
Equally, Judges are reluctant to be seen to interfere with Local Authorities and particularly the decisions of democratically elected local councilors.
viiwye.com are experienced in advising on High Court Challenges and the Judicial Review of a Local Authorities actions.