Green’s Dictionary of Slang

describing an architectural style popular in the UK Home Counties, featuring fake beams and the other appurtenances of (Hollywood-style) Elizabethan and Tudor England.

1955		J.P. Donleavy Ginger Man (1958) 188: Then I went to the Grafton Cinema to have a supper in the pseudy tudy interior.
1962		R. Cook Crust on its Uppers 25: Sex, cocktails and rows in a pseudo-tudo cottage near Sevenoaks.