Haddon Hall
Hadleigh Castle
Hadrian's Wall
Haggerston Castle
Halford Castle
Halloughton Tower
Hallaton Castle
Halton Castle (Cheshire)
Halton Castle (Lancs)
Halton Castle (Northumbria)
Hamstead Marshall Castle
Hanley Castle
Hanwell Castle
Harbottle Castle
Hardknott (Mediobogdum) Fort
Haresfield Castle
Harewood Castle
Harlech Castle
Hartlebury Castle
Hartshill Castle
Hastings Castle
Haughley Castle
Haughton Tower
Haverfordwest Castle
Hawarden Castle
Hawes Bridge Castle
Hay Castle
Hazelslack Pele
Hazlewood Castle
Heddingham Castle
Hellifield Pele
Helmsley Castle
Hembury Castle
Hemyock Castle
Hen Castell
Hen Domen
Hereford Castle
Herstmonceaux Castle
Hertford Castle
Hever Castle
Heversham Hall
Higham Ferrers Castle
Higham Gobion Camp
Hinckley Castle
Hoghton Tower
Holdgate Castle
Hollin Hall
Holt Castle (Worcs)
Holt Castle (Clwyd)
Holwell Castle
Homme Castle
Hope Castle
Hopton Castle
Hornby Castle
Horsford Castle
Horsley Castle
Housesteads (Vercovicium) Fort
Huntingdon Castle
Huntington Castle
Hurst Castle
Hussey Tower
Hutton-in-the-Forest
Hutton Hall
Hutton John Hall
Hylton Castle
Hyssington Castle
