Unfortunately, I could see that being months away, or even next year!
I have never looked at that area on the OS map before because it is sandwiched between built-up areas that I don't venture into, except when guided by you!
Off topic comment: I can see why there would be opposition to luxury homes there. If they must build housing there, it would be good if they saved the mill instead and converted that, the way that have done in many places round here. Example, Woodhouse Mill on the side of the Rochdale canal near Todmorden...
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(Looks like there might be a rising damp problem for the bottom floor of apartments!
)
Other fine local mill conversions -
HERE.