Lutwyche was the son of
Sir Edward Lutwyche,
Justice of the Common Pleas, and his wife Anne Tourneur, daughter of Sir Timothy Tourneur. He was a scholar at
Westminster School, and was elected to
Christ Church, Oxford, where he matriculated 4 July 1692, but took no degree. Lutwyche was
called to the bar at the
Inner Temple in 1697. He was reader there in 1715, and treasurer of the inn in 1722. Lutwyche was reluctant to enter politics, and did so in the end with the backing of
Thomas Tufton, 6th Earl of Thanet. He was elected
Member of Parliament for
Appleby at the
1710 and
1713 general elections in fiercely competed contests. At the
1715 general election he was returned unopposed for Appleby. He was elected MP for
Callington at the
1722 general election, probably with the support of Sir John Coryton, but did not stand in
1727. However he was then returned as MP for
Amersham on the Drake interest at a by-election on 23 February 1728 and was re-elected there at the
1734 general election. A
High Tory, Lutwyche was made
Q.C. in 1710. He died on 13 November 1734, and was buried in the
Inner Temple Church. ==Works==