Usually yes — but each person is underwritten separately, so adding someone does not extend your terms to them.

What the policy documents actually say

The common misunderstanding is that a family policy carries one set of terms. It does not. Each member is assessed on their own history, so a child added to a moratorium policy starts their own moratorium period, and anything they have already been seen for is excluded until they have gone the required time without symptoms or treatment.

Aviva's baby bonus shows the timing effect: £100 for each baby born or adopted, but on moratorium or full medical underwriting only where the birth is more than ten months after the policyholder joined. Adding a child conceived before you took the policy does not attract it.

Age matters for some benefits rather than eligibility. Aviva pays for a parent to stay in hospital with a child in full — one parent only, and only where the child is 15 or under. A 16-year-old is covered by the policy but that benefit no longer applies.

Adding an older parent is where the arithmetic changes hardest. Premiums rise steeply with age and pre-existing conditions become more likely, so a parent in their seventies may be both expensive and heavily excluded — the two problems compounding rather than trading off.

The Exeter's residency rule applies per person too: the legal right to reside in the UK and physical residence for at least 180 days of each policy year. A family member living mostly abroad may not be eligible regardless of your terms.

Questions to put to the insurer or broker

  • Is each person underwritten separately or on my terms?
  • Does adding someone change my renewal date or excess?
  • What age limits apply to the benefits, not just the policy?

Related questions

Sources

  • Source: Aviva — Healthier Solutions Terms and conditions (2025-04), read 4 September 2026.
  • Source: The Exeter — Private Medical Insurance — Insurance Product Information Document (Health+) (2025-10), read 4 September 2026.

The limit behind every answer here

None of this reaches a condition you already have. Cover is written for problems that arise after it starts, so anything you have symptoms of when you apply is excluded — permanently under full medical underwriting, or until a symptom-free period has passed under a moratorium. Chronic conditions are excluded by every insurer whose wording we hold. Figures quoted come from current policy documents and change at renewal, so check the document you are actually offered.

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