[1] He was elected as a Whig Member of Parliament for East Kent, along with Tory, Sir Edward Knatchbull in 1832, but had switched to the Conservatives by 1837.
Theologist Richard Turnbull listed Plumptre, Sir Robert Inglis and Michael Sadler prominent figures in National Protestantism, who expounded a Protestant perspective on constitutional matters in Parliament.
[6] He succeeded to the family estate at Fredville, in the Hundred of Wingham, Kent upon his father, John Plumptre's death in 1827.
An obituary in The Kentish Gazette describes him as having a "deeply religious turn of mind" and reckoned his support of evangelist organisations was one of the "most distinguishing traits of his life".
This article about a Conservative Member of the Parliament of the United Kingdom representing an English constituency and born in the 1790s is a stub.