- Converted to wartime observation tower, and from that into a house
From the States of Jersey Register of Historic Buildings:
La Moulin de Beauvoir (Grouville Mill Including Occupation Structure).
Windmill tower, now part of house, early C19, circular and tapering, 5-storeys, random granite,
upper storey rendered with observation slits, PVC windows, lower casement window.
Grouville Mill, converted into artillery observation post.