[2] Griggs was educated at Brentwood School, Essex and Trinity Hall, Cambridge.
[3] He trained for ordination at Westcott House, Cambridge and was ordained deacon in 1954 and priest in 1955.
[6] He was then successively Vicar of St Cuthbert's, Firvale (1964–71), St Mary and All Saints' Church, Kidderminster (1971-82) and Team Rector of Kidderminster (1982–84) before being collated as Archdeacon of Ludlow (1984–87) (as well as Priest-in-Charge of Tenbury (1984–87)) and then Bishop of Ludlow.
[7] He was consecrated a bishop on 22 July 1987, by Robert Runcie, Archbishop of Canterbury, at Southwark Cathedral.
[9] After retiring from the Bishopric of Ludlow, he settled at Patterdale in the Lake District and served from 1994 as honorary assistant bishop in the Diocese of Carlisle.