I'm with you Rhiannon - 100%

I just don't want to get into the "Circles beneath churches" thing again

Best book (the only book) dealing with the location of churches from Roman Britain to Victorian Britain is "Churches in the Landscape" by Richard Morris. This closely researches and explains WHY churches are WHERE they are.

Some pagan Anglo-British shrines were converted into churches by Papal edict. Parish churches were latecomers and most early churches were built to serve monastic communities or estates.