"Pro Henrico Henrico de Aldithele. - Rex omnibus etc. salutem. Sciatis quod concessimus et licentiam dedimus Henrico de Aldithele quod libere et sine inpedimento firmare possit quoddam castrum super terram suam de Radeclif. In cujus etc. Teste ut supra."
Granted at Woodstock, by King.
King writes "The fact that the name Red-Castle does not appear is clear evidence that this was a first foundation. Henry had obtained the site, the rock of Radecliffe', with other property, from Maud Lestrange the same year (Cal. Charter Rolls, i, 37): it is clear why he wanted it."
Original source is
(In fact, the original source given is usually a transcription/translation of what are precious medieval documents not readily availably. It should be noted that these transcription/translations often date to the nineteenth or early twentieth centuries and that unwitting bias of transcribers may affect the translation. Care should also be taken to avoid giving modern meaning to the medieval use of certain stock words and terms.)
Significant later source are;
More details about licences to crenellate can be found here.
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