He was appointed constable at the newly taken Castell y Bere, building a new chamber at the castle during his residence.

On 4 June 1290, Huntercombe took possession of the Isle of Man for King Edward I; the island had previously been under the control of the Scots.

[2] In early 1293 Edward I ordered Huntercombe to relinquish the island to John Balliol, the King of Scots.

In 1294, Edward summoned Huntercombe to Portsmouth because of the French occupation of the Duchy of Gascony.

In 1307 he successfully petitioned the King to be released from the duty to pay scutage for the two Scottish wars, in addition to being granted permission to levy scutage from his tenants.