I've done a few planning applications
The outcome will always depend on the facts and the correct process and policy being followed, so that is why you need specialist advice. No-one here can say it will go one way or the other based on your post.
But you need to be contrite and look to work with the council. The court will listen to your valid reasons about your lack of engagement with the council's planners. You'll need to think about them.
The key thing, would be .... does the extension conform to planning policy, and would it be approved if applied for, or on appeal? If you think so, then you should be given the chance to reapply.
The outcome will always depend on the facts and the correct process and policy being followed, so that is why you need specialist advice. No-one here can say it will go one way or the other based on your post.
But you need to be contrite and look to work with the council. The court will listen to your valid reasons about your lack of engagement with the council's planners. You'll need to think about them.
The key thing, would be .... does the extension conform to planning policy, and would it be approved if applied for, or on appeal? If you think so, then you should be given the chance to reapply.