Can planning permission be overturned?
There is no third party right of appeal in England and Wales. Only the applicant can make an appeal against a granted planning application.
This means you cannot appeal a planning application decision which you have not submitted yourself.
If you have concerns over the process the local planning authority followed to make its decision, you can complain to the Local Government Ombudsman.
However, the Ombudsman cannot investigate a complaint just because you do not agree with the decision.
In addition, the Ombudsman has no power to alter the decision, even if the local authority administration has not been entirely correct.