Then again some bright spark might pop along in a bit and tell us the answer or that there has already been such an appeal. There probably has! I guess if you were my client I would be searching for such an appeal case to try and determine the answer.
Also, my thoughts are that even if it needed planning permission it would very likely be granted on the grounds that had the roof of the extension been within PD then so would the conservatory so only just outside the PD legislation.
Also, my thoughts are that even if it needed planning permission it would very likely be granted on the grounds that had the roof of the extension been within PD then so would the conservatory so only just outside the PD legislation.