Grange House, Ratley Connections?

A view of Ratley. 1950s
IMAGE LOCATION: (Warwickshire County Record Office)
Reference: PH(N), 600/570/7, img: 8876
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I understand that William Hitchcox, executant stonemason to architect Sanderson Miller was living in the Grange House Ratley in 1745, when he was building the Radway Tower. I have had trouble locating this house but have now found from the Hearth Tax Returns that an earlier William Hitchcocks was paying tax on nine hearths in Ratley in 1663. As this was clearly a large house, I am wondering  whether “Grange House” might have been connected with Ratley Grange? Any help or suggestions would be most welcome.