He made a considerable fortune in business and provided Charles II during exile with considerable sums of money. After the Restoration, he was made one of the Farmers of the Customs of London. He was knighted on 28 July 1660.
From 1663 he leased, from the Crown, the Manor of Eltham which included the then derelict Kings House or Eltham Palace and built a new manor house Eltham Lodge on the estate.
He was created baronet of Eltham on 15 April 1665. In 1667, he rebuilt the north aisle of Eltham Church.
Sir John Shaw, (c1615-1680), of Broad Street, London and Hugh May"s Eltham Lodge, Kent. was born c.1615, 2nd son of Robert Shaw (d1678), vintner, of Southwark, Surrey, and Leadenhall Street, London. Gent. of the privy chamber June 1660-daughter
Commissioner of customs September
1660-1662, farmer 1662-1671. Commissioner of trade November 1660-1668, plantations December 1660-1670, joint paymaster of Dunkirk garrison December 1660-1662.
Surveyor of shipping 1661-death.
Asstistant Ranger Adventurers into Africa by 1664-1671. Surveyor of woods and forests c.1667.
Lieutenant-colonel. of white regiment militia foot, London October 1660-?65; commissioner for assessment, London 1661-1663, Kent 1663-1664, 1667-daughter, London and Surr.
1664-1669, loyal and indigent officers, London and Westminster 1662.
Deputy Lieutenant London 1662-?65. J.p. Kent 1665-daughter; collector of customs, London 1669-daughter
Commissioner for recusants, Kent 1675.
Shaw died at the age of 64 in Great Southampton (or Bloomsbury) Square, Street Giles" in the Fields, London and was buried at Eltham on 6 March 1680. Shaw married firstly, in or before 1660, Sarah Ashe, daughter of Joseph Ashe, of Beshford, Somerset. She died in December 1662, and was buried at Street Mildred"s Bread Street.
She was buried at Eltham on 11 July 1699.
In 1661, he was elected Member of Parliament for Lyme Regis in the Cavalier Parliament.