What actually counts as pre-existing
Policies define a pre-existing condition by a look-back window: any illness or injury for which you have taken medication, received treatment, had tests or investigations, or seen a specialist within a set period before buying the policy — commonly the last 12 to 24 months. Serious diagnoses such as heart conditions, strokes, cancer, and psychiatric conditions typically have longer or unlimited look-back periods and are asked about explicitly regardless of when they occurred.
Policies define a pre-existing condition by a look-back window: any illness or injury for which you have taken medication, received treatment, had tests or investigations, or seen a specialist within a set period before buying the policy — commonly the last 12 to 24 months. Serious diagnoses such as heart conditions, strokes, cancer, and psychiatric conditions typically have longer or unlimited look-back periods and are asked about explicitly regardless of when they occurred.
The definition catches more than people expect: a routine medication review for blood pressure, an asthma inhaler on repeat prescription, or physiotherapy for a back problem all usually count. The screening question is not "are you ill?" but "have you interacted with medical care for this?" — answer on that basis.
Why under-declaring is the most expensive mistake in travel insurance
If a claim reveals an undeclared condition, the insurer can reduce or refuse the claim — and where the non-disclosure is judged deliberate or reckless, void the policy from inception, which can sink every claim on the trip. A £60 saving on premium against a five-figure medical repatriation bill is the worst trade in travel.
If a claim reveals an undeclared condition, the insurer can reduce or refuse the claim — and where the non-disclosure is judged deliberate or reckless, void the policy from inception, which can sink every claim on the trip. A £60 saving on premium against a five-figure medical repatriation bill is the worst trade in travel.
Under the Consumer Insurance (Disclosure and Representations) Act 2012, your duty is to take reasonable care to answer the insurer's questions accurately — you are not expected to volunteer information you were never asked for. Practically: read each screening question, answer it fully, and keep the quote confirmation showing your answers.
Cover, exclusion, or decline — the three screening outcomes
Most declared conditions are insurable: the screener prices the added risk and the policy covers the condition like any other illness. The second outcome is an exclusion — the policy is issued but claims arising from that condition (and sometimes linked conditions) are not covered; this can be acceptable for a stable condition you are comfortable self-funding but is risky for anything that could plausibly need emergency care abroad.
Most declared conditions are insurable: the screener prices the added risk and the policy covers the condition like any other illness. The second outcome is an exclusion — the policy is issued but claims arising from that condition (and sometimes linked conditions) are not covered; this can be acceptable for a stable condition you are comfortable self-funding but is risky for anything that could plausibly need emergency care abroad.
A decline, or a premium quoted so high it amounts to one, triggers a regulatory backstop: since 2021 the FCA has required firms to signpost consumers with medical-condition cover problems to MoneyHelper's specialist travel insurance directory, which lists firms whose business is covering serious conditions. Specialist comparison services for medical conditions quote across such panels in one screening pass.
GHIC, destination choice, and other premium levers
A GHIC card meaningfully complements — never replaces — insurance for EU trips with a medical condition: state-tariff treatment under GHIC can reduce what the insurer pays, and some insurers waive the excess on medical claims where a GHIC was used. Destination is the other big lever: the USA, Canada, and the Caribbean carry the highest medical-cost loadings, so a traveller with a significant condition often finds Europe dramatically cheaper to insure than Florida.
A GHIC card meaningfully complements — never replaces — insurance for EU trips with a medical condition: state-tariff treatment under GHIC can reduce what the insurer pays, and some insurers waive the excess on medical claims where a GHIC was used. Destination is the other big lever: the USA, Canada, and the Caribbean carry the highest medical-cost loadings, so a traveller with a significant condition often finds Europe dramatically cheaper to insure than Florida.
Also worth comparing: annual versus single-trip pricing behaves differently with declared conditions (screening applies to the whole policy year), and cruise cover is usually a separate question because onboard medical care and medical disembarkation are costed differently. Our annual vs single-trip guide covers the format choice.