The 27-year-old's remains were discovered on Glendoo Mountain, near the Lemass monument and close to Glencree/Enniskerry, Co Wicklow, on April 3rd, 1988.

An Bord Pleanala approved the project for the construction of a 3.5km bypass around the Meath village, including a dual carriageway as well as a 258 meter long bridge over the historic River Boyne.

Henry Mount Charles died last week at the age of 74.

Lord Henry Mount Charles pictured at Slane Castle, Co Meath, in 2004 ahead of a Madonna concert which hosted over 60,000 fans.