Health Insurance
Moratorium underwriting lets you take out private health insurance without answering detailed medical questions upfront. Instead, a blanket exclusion applies to recent pre-existing conditions, with the potential for cover to apply after a qualifying period.
Moratorium underwriting is a method of applying for private health insurance without completing a medical questionnaire. Instead of disclosing your full medical history, the insurer places a blanket exclusion on any condition you received treatment, advice or symptoms for during the five years before your policy start date.
After two continuous years on the policy, a pre-existing condition may become eligible for cover, provided you have been free of symptoms, treatment and medical advice for that condition during those two years. Around 60-70% of UK private health insurance applications use moratorium underwriting, according to industry estimates.
Premiums at the point of sale are typically 5-15% lower than policies using full medical underwriting, though claims may face closer scrutiny at the point of need.
Sources: Association of British Insurers (ABI), individual insurer policy terms (2025-2026)
Moratorium underwriting is one of two main methods UK health insurers use to assess your medical history when you apply for a policy. The other is full medical underwriting, which requires a detailed medical questionnaire before cover begins.
With moratorium underwriting, you do not need to answer questions about your health at application stage. Instead, the insurer applies an automatic rule: any medical condition you experienced in the five years before your policy start date is initially excluded from cover. This includes conditions where you had symptoms, consulted a GP, received treatment or were given medical advice.
The five-year lookback period is standard across most UK providers, including Bupa, AXA Health, Aviva and Vitality. However, the specific terms can vary between insurers, so it is worth comparing policies carefully.
Moratorium underwriting is popular because it makes the application process faster and simpler. You can typically complete your application in under 15 minutes, compared to 30-60 minutes for full medical underwriting questionnaires.
The moratorium underwriting process follows a straightforward timeline. Understanding each stage helps you know exactly what to expect when you make a claim.
At application: You provide basic personal details such as your age, postcode and smoking status. You are not asked to disclose any medical conditions or history. Your policy starts immediately once payment is set up.
During the first two years: If you need to make a claim, the insurer will check whether the condition existed in the five years before your policy started. If it did, the claim will be declined for that specific condition. New conditions that develop after your start date are covered from day one.
After two continuous years: The moratorium "lifts" for conditions where you have been free of symptoms, treatment and medical advice for the full two-year period. This means conditions that were initially excluded may now be covered, provided you meet the qualifying criteria.
It is important to note that the two-year clock resets if you receive any treatment, advice or experience symptoms for a previously excluded condition during the qualifying period. You would need to start another two-year symptom-free period before that condition becomes eligible.

Many people choose moratorium underwriting because it feels simpler, but it is important to understand how claims are assessed. The insurer checks your medical history at the point of claim, not at application. Keeping thorough records of when conditions started and ended can make the claims process much smoother.
Under moratorium underwriting, any condition you had symptoms, treatment or advice for in the five years before your start date is excluded initially. Common examples of pre-existing conditions that typically fall under the moratorium include:
Conditions that first appear after your policy start date are covered immediately, regardless of your medical history. The moratorium only applies to conditions that existed during the five-year lookback period.
Some conditions are excluded from all health insurance policies regardless of underwriting type. These typically include chronic conditions that require ongoing management, cosmetic procedures, fertility treatment, and HIV/AIDS related conditions. Check your policy wording for the full list of general exclusions.
Moratorium underwriting offers clear benefits for some applicants, but it also comes with trade-offs you should weigh carefully before choosing your policy.
Advantages:
Disadvantages:
If you have a complex medical history with multiple conditions, full medical underwriting may give you more certainty about what is and is not covered from day one.
The choice between moratorium and full medical underwriting depends on your health history, your preference for certainty, and how quickly you want cover to start. Here is how the two approaches compare.
With full medical underwriting, you complete a detailed questionnaire about your medical history at the point of application. The insurer reviews this information and provides a list of specific exclusions before the policy begins. You know exactly what is covered and what is not from day one.
With moratorium underwriting, you skip the questionnaire entirely. The insurer applies a blanket rule based on the five-year lookback period. You find out whether a condition is covered when you make a claim, not when you apply.
For people in good health with few or no pre-existing conditions, moratorium underwriting is often the simpler and more cost-effective option. The cost of your health insurance will typically be lower, and the faster application means you can get cover in place quickly.
For those with ongoing or complex health conditions, full medical underwriting provides clarity upfront. Although the application takes longer and premiums may be slightly higher, you avoid the risk of a claim being declined unexpectedly. If you are unsure which approach suits your situation, getting matched with a health insurance specialist can help you weigh up the options based on your specific medical history.
How it works
Share your details
Tell us your age, location and the type of cover you need. There is no medical questionnaire to complete at this stage, so the process takes just a few minutes.
Get matched with a specialist
We match you with a health insurance adviser who understands moratorium underwriting and can compare policies from across the whole market on your behalf.
Compare your options
Your adviser presents tailored quotes from leading UK providers, explaining the moratorium terms, exclusion periods and how each policy handles pre-existing conditions.
Start your cover
Choose the policy that fits your needs and budget. Your cover begins immediately, with no waiting period for new conditions that develop after your start date.
Health Insurance
Whether you choose moratorium or full medical underwriting, a specialist adviser can help you find the right cover. Share your details and get personalised quotes from across the market.

Key features
FAQs
Yes, some insurers allow you to switch underwriting type when you renew your policy. However, you may need to complete a medical questionnaire at that point, and the insurer will apply specific exclusions based on your disclosed history. Speak to your adviser about whether switching makes sense for your situation.
When you make a claim, the insurer will request your medical records from your GP to check whether the condition existed in the five years before your policy started. If it did, the claim will be declined for that condition. If the condition is genuinely new, the claim proceeds as normal.
The two-year qualifying period applies to conditions that existed during the five-year lookback period. Once you have been symptom-free and treatment-free for two continuous years on the policy, those conditions may become covered. Chronic conditions that require ongoing management may never qualify.
Yes, moratorium underwriting is commonly used for business health insurance policies, particularly for smaller companies. It simplifies the onboarding process as employees do not need to complete individual medical questionnaires. Larger group schemes may use alternative underwriting approaches.
A declined claim under moratorium underwriting does not typically cause a direct premium increase. Premiums are usually based on factors like age, location and claims history. However, if you later make successful claims, your premiums may rise at renewal as with any health insurance policy.
Yes, moratorium underwriting is available to applicants of all ages, including those over 50. However, older applicants are more likely to have pre-existing conditions that fall within the five-year lookback period. An adviser can help you assess whether moratorium or full medical underwriting is better suited to your health profile.
They are the same thing. Moratorium underwriting is sometimes called no medical underwriting because you do not need to answer medical questions at application. The terms are used interchangeably across the health insurance industry in the UK. Both refer to the same five-year lookback and two-year qualifying process.
Mental health conditions are treated the same as physical conditions under moratorium underwriting. If you had treatment for anxiety, depression or another mental health condition in the five years before your start date, it will be excluded initially. After two symptom-free and treatment-free years, it may become covered.
Useful resources
Independent information to help you understand moratorium underwriting and your rights.
Impartial guidance from the government-backed service on choosing private medical insurance, including how underwriting works.
Industry body representing UK insurers, with consumer guides on health insurance products and how claims are handled.
Free dispute resolution service if you have a complaint about a health insurance claim or underwriting decision.
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