If you cannot inspect beforehand, could you bring someone knowledgeable to the viewing? It would not replace a formal inspection, but may help decide whether the property deserves a protected bid at all.
I’d put tenure and ongoing charges ahead of micro-location, unless the comparable is clearly in a different setting. Is this freehold or subject to a lease, and if there is a lease, what remains and what payments apply? Service charges and foreseeable building costs can alter what a buyer is...