Darrin - I have responded to your further post in the absence of my colleague.
We would not be aware on when the survey is scheduled. The survey in carried out by Ordnance Survey on our behalf, and is arranged at a time agreed by the owner(s) and the surveyor.
The next steps would depend on the outcome of the survey. It would not be appropriate to speculate what the next course of action may be. However, our
Practice Guide 4 explains the general process in case of adverse possession applications.