Wacton Mound
Wakefield Castle
Walford Castle
Wallingford Castle
Walmer Castle
Walterstone Castle
Walworth Castle
Walwyns Castle
Warblington Castle
Wareham Castle
Wark-on-Tweed Castle
Warkworth Castle
Warwick Castle
Watercrook (Alauna) Fort
Waun Gynllwch Motte
Wayneflete Tower
Week St Mary Castle
Weeting Castle
Welbourne Castle
Wells Bishop's Palace
Weobley Castle (Hereford)
Weobley Castle (Gower)
Weoley Castle
Wern y Cwrt Motte
West Cowes Castle
West Malling Castle
Westenhanger Castle
Weston Subedge
Whalton Tower
Wharton Hall
Whichford Castle
White Castle
Whitehall
Whittingham Pele
Whittington Castle
Whittington Motte
Whorlton Castle
Wigmore Castle
Wilcott Castle
Williams Hill
Wilton Castle
Winchelsea Castle
Winchester Castle
Windsor Castle
Wing Motte
Wingfield Castle
Wingfield Manor
Wiston Castle
Wollaston Castle
Wolvesey Bishop's Palace
Womaston Castle
Woodsford Castle
Wooler Castle
Worcester Castle
Worcester Bishop's Palace
Workington Hall
Worksop Castle
Wormegay Castle
Wraysholme Tower
Wressle Castle
Wristleham Castle