Inside Michael Gambon’s Double Life: Why Mistress Philippa Hart Was Left out of His Will

An insightful review of Inside Michael Gambon’s Double Life: Why Mistress Philippa Hart Was Left out of His Will—uncover the main takeaways.

Under English law, the concept of a "common-law wife" has no legal validity. Cohabitants have zero automatic statutory rights to their partner’s estate when they die, regardless of whether the relationship lasted twenty months or twenty years.

When someone dies leaving a valid will that excludes a long-term partner, the surviving cohabitant faces narrow legal avenues. The primary recourse is filing a claim under the Inheritance (Provision for Family and Dependants) Act 1975. To succeed, the applicant must demonstrate they were living in the same household as the deceased as a couple for at least two years prior to death, or were being financially maintained by them.

For Hart, bringing such a claim against Lady Anne would have triggered an excruciating, public High Court dispute, forcing teenage sons Tom and Will into public testimony about their father’s day-to-day living habits. The absence of any documented court battle suggests that private arrangements had already secured her household's stability long before the public will ever cleared the probate registry.