One: Greater London
Two: South East England
Amberley Castle (West Sussex)
Arundel Castle (West Sussex)
Betchworth Castle (Surrey)
Bodiam Castle (East Sussex)
Donnington Castle (Berkshire)
Dover Castle (Kent)
Farnham Castle (Surrey)
Hastings Castle (East Sussex)
Herstmonceux Castle (East Sussex)
Hever Castle (Kent)
Leeds Castle (Kent)
Oxford Castle (Oxfordshire)
Pevensey Castle (East Sussex)
Portchester Castle (Hampshire)
Rochester Castle (Kent)
Sissinghurst Castle (Kent)
Windsor Castle (Berkshire)
Three: South West England
Berkeley Castle (Gloucestershire)
Berry Pomeroy Castle (Devon)
Corfe Castle (Dorset)
Dunster Castle (Somerset)
Farleigh Hungerford Castle (Somerset)
Lydford Castle (Devon)
Taunton Castle (Somerset)
Okehampton Castle (Devon)
Old Wardour Castle (Wiltshire)
Pendennis Castle (Cornwall)
Pengersick Castle (Cornwall)
Powderham Castle (Devon)
St Briavels Castle (Gloucestershire)
Sudeley Castle (Gloucestershire)
Tiverton Castle (Devon)
Four: East England
Baconsthorpe Castle (Norfolk)
Castle Rising (Norfolk)
Colchester Castle (Essex)
Framlingham Castle (Suffolk)
Hadleigh Castle (Essex)
Kimbolton Castle (Cambridgeshire)
Norwich Castle (Norfolk)
Woodcroft Castle (Cambridgeshire)
Five: East Midlands
Barnwell Castle (Northamptonshire)
Bolsover Castle (Derbyshire)
Lincoln Castle(Lincolnshire)
Newark Castle (Nottinghamshire)
Nottingham Castle (Nottinghamshire)
Peveril Castle (Derbyshire)
Tattershall Castle (Lincolnshire)
Six: West Midlands
Acton Burnell Castle (Shropshire)
Astley Castle (Warwickshire)
Dudley Castle (Warwickshire)
Goodrich Castle (Herefordshire)
Hopton Castle (Shropshire)
Kenilworth Castle (Warwickshire)
Ludlow Castle (Shropshire)
Tamworth Castle (Staffordshire)
Tutbury Castle (Staffordshire)
Warwick Castle (Warwickshire)
Whittington Castle (Shropshire)
Seven: North West England
Askerton Castle (Cumbria)
Carlisle Castle (Cumbria)
Dacre Castle (Cumbria)
Leasowe Castle (Cheshire)
Lowther Castle (Cumbria)
Muncaster Castle (Cumbria)
Naworth Castle (Cumbria)
Pendragon Castle (Cumbria)
Eight: Yorkshire and the Humber
Bolton Castle (Yorkshire)
Conisbrough Castle (South Yorkshire)
Helmsley Castle (Yorkshire)
Knaresborough Castle (Yorkshire)
Middleham Castle (Yorkshire) 1
Pickering Castle (North Yorkshire)
Pontefract Castle (Yorkshire)
Richmond Castle (North Yorkshire)
Ripley Castle (Yorkshire)
Scarborough Castle (Yorkshire)
Sheriff Hutton Castle (North Yorkshire)
Skipton Castle (North Yorkshire)
Spofforth Castle (Yorkshire)
Nine: North East England
Bamburgh Castle (Northumberland)
Barnard Castle (County Durham)
Bellister Castle (Northumberland)
Bowes Castle (County Durham)
Blenkinsopp Castle (Northumberland)
Castle Keep (Newcastle)
Chillingham Castle (Northumberland)
Dunstanburgh Castle (Northumberland)
Durham Castle (County Durham)
Featherstone Castle (Northumberland)
Haughton Castle (Northumberland)
Lindisfarne Castle (Northumberland)
Prudhoe Castle (Northumberland)
Raby Castle (County Durham)
Walworth Castle (County Durham)
Warkworth Castle (Northumberland)