"Spring in Park Lane (1948)" was the most popular film in the U.K. for the year 1948. According to the British Film Institute in 2004, it had fifth place in all-time ticket sales in the United Kingdom. As of 2017, its 20.5 million U.K. attendance was still the largest audience for any wholly British movie. It was highly rated and well received in the U.S. as well.
Oh, Miss Judy. May I ask you a favor?
Judy Howard: It depends on what it is.
Lord Richard: Would you put in a good word for me with the master? That is, if you know the old geezer well enough.
Judy Howard: I know the old geezer well enough, Richard. I'm his niece.
Lord Richard: His niece?
Judy Howard: Yes, his niece.
Lord Richard: ...
Ten people are seated at the dinner table. In a later scene of dancing to a band, 14 people can be seen on the dance floor and they don't include Uncle Joshua, the Marquis of Borechester (George) or Richard.
About one-third into the movie, the screen runs credits that introduce the Borechester family: "Borechester Towers. Ancestral seat of the Marquis of Borechester. "A.D. 1100. The Normans started building the walls... "A.D. 1300. The family started hanging their pictures on the walls... "A.D. 1939. The R.A.F. took over and started scribbling on the walls... "A.D. 1947. A Stately home of England -- with the state coming nearer every budget."