He was a younger son of Robert le Strange. After the death of his older brother John, Fulk inherited in 1289 lands in Wrockwardine, Ellesmere and the other possessions of his family in Shropshire. In 1294 he took part in the campaign in Gascony. From 1298 he took part during the Scottish Wars of Independence in several campaigns during the reigns of kings Edward I and Edward II. Through writ of summons he attended parliament in 1308 and 1309 as Baron Strange of Blackmere. He was appointed on 26 May 1322 as Seneschal of Gascony. He died in January 1324 and was succeeded by his son John.