Penny is the wife of Ian Chapman and the mother of Sophie and Jaime. She is played by Cheryl Campbell.
She is first seen in the episode Sophie's Parents when she meets Mark for the first time and sleeps with Jeremy. She is present in the series 4 episode Wedding where she tells Mark he cannot cancel his wedding to Sophie just because Sophie drunkenly kissed Jeremy.
She is a maker of jams and is purportedly unfaithful to her husband.