Born in London on 16 May 1796, he was second son of Ambrose Lyon Poynter by Thomasine Anne Peck; the family was of Huguenot origin.
[2] St Paul's was the target of criticism from the Cambridge Camden Society, in the first issue (November 1841) of its journal, the Ecclesiologist.
[5] In 1851, Poynter was hired by Sir Stafford Northcote, 1st Earl of Iddesleigh to make additions to Pynes House near Exeter, Devon, including a ceremonial entrance hall in 1852.
They included William Callow and Richard Parkes Bonington, as well as the sculptor Henri de Triqueti who had married another daughter.
[1][2][7] He was an architectural draughtsman, and provided illustrations and articles in Charles Knight's Pictorial History of England (1837–44), and his edition of Shakespeare.
[1] In the mid-1840s, while serving in the capacity of the Official Referee of Metropolitan buildings, Poynter became Professor of Fine Arts at King's College London.
[2][10] He died at his home in 3 Marine Place, Dover on 20 November 1886 and was reportedly buried in Kensal Green, London.