Family
- father Sukha Nagra: Separated from Parminder's mother when she was a small child
- mother Nashuter Nagra: Separated from Parminder's father when she was a small child; remarried and raised children with new husband in the Belgrave district of Leicester
- siblings : Has two younger brothers and a younger sister
Companions
- husband James Stenson: Were dating for seven years when they announced in November 2008 that they are expecting their first child together; married Jan. 17, 2009
- Companion Kieran Creggan: Appeared together in a 1996 production of "Fair Ladies at a Game of Poem Cards"; relationship lasted for five years; no longer together
