In a relationship with footballer Scott Sinclair since 2009. They have two daughters together - Matilda Jessica Sinclair (b. June 29, 2015) and Delilah Ruby Sinclair (b. June 22, 2018).
Was seven months pregnant with her daughter Delilah when she took maternity leave from Coronation Street (1960).
Delivered her daughters naturally; Matilda's birth required an epidural and episiotomy whereas Delilah was delivered via water birth. Flanagan also breastfed both of her daughters.