Baconsthorpe Castle
Baddesley Clinton Hall
Baginton Castle
Bakewell Castle
Ballands Castle
Bamburgh Castle
Bampton Castle
Bampton Motte
Barby Castle
Barden Tower
Barland Motte
Barnard Castle
Barnstaple Castle
Barnwell Castle
Barry Castle
Barwick in Elmet Castle
Basing House
Bath Town Walls
Battle Abbey
Beadnell Tower
Beaudesert Castle
Beaumaris Castle
Beaumys Castle
Bedford Castle
Beeston Castle
Beetham Hall
Beguildy The Moat
Bellister Castle
Belsay Castle
Belvoir Castle
Benwell (Condercum) Fort
Benington Castle
Berkeley Castle
Berkhamsted Castle
Berry Pomeroy Castle
Berwick Castle
Beverstone Castle
Bewcastle Castle
Bickleigh Castle
Bicton Castle
Biggleswade Castle
Binbury Castle
Bincknoll Castle
Birdoswald (Banna) Fort
Bishop's Aukland Castle
Bishops Waltham Palace
Bishops Stortford Castle
Bishops Castle
Bishopton Castle
Blackdown Rings
Bleddfa Castle
Blencow Hall
Blenkinsopp Castle
Bletchingley Castle
Bletsoe Castle
Boarstal Tower
Bodelwyddan Castle
Bodiam Castle
Bolebec Castle
Bolingbroke Castle
Bolsover Castle
Bolton Castle
Borwick Hall
Bosbury Bishops Palace
Boscastle Castle
Bossinney Castle
Bothal Castle
Bothamsall Castle
Bourn Hall Ringwork
Bourton Mound
Bovehill Castle
Bowes Castle (Lavatris Fort)
Brackley Castle
Bradwell Motte
Brailes Castle
Bramber Castle
Brampton Bryan
Brancepeth Castle
Brandon Castle
Brecon Castle
Bridgend Castle
Bridgenorth Castle
Brinklow Castle
Bronllys Castle
Braybrooke Castle
Bredwardine Castle
Breinton Moat
Bridgwater Castle
Brimpsfield Castle
Bristol Castle
Brockhurst Castle
Brompton Castle
Bronsil Castle
Brough Castle (Verteris Fort)
Brougham Castle (Brovacum Fort)
Brougham Hall
Broughton Castle
Brownsea Castle
Bryn-y-Castell
Bryn Derwen Motte
Buckden Palace
Buckton Castle
Builth Wells Castle
Bungay Castle
Burfa Castle
Burgh Castle (Gariannonum Fort)
Burgh-by-Sands Church
Burneside Hall
Burrow Mump
Burton in Lonsdale Castle
Bury Castle
Burwell Castle
Bywell Castle
