TL;DR
A health cash plan pays you back fixed amounts for everyday health costs such as dental check-ups, glasses and physiotherapy, usually for a few pounds a month. Private medical insurance pays for private diagnosis and treatment of eligible acute conditions, such as surgery, and costs more. They do different jobs, and some people have both.
Key takeaways
- Cash plans refund part or all of everyday costs up to yearly limits.
- Private medical insurance pays for private diagnosis and treatment of eligible acute conditions.
- Cash plans are usually much cheaper and often do not exclude pre-existing conditions.
- A cash plan will not pay for an operation; PMI usually will not pay for routine dental or optical care.
- Many employers offer cash plans as a low-cost staff benefit.
Health Cash Plans vs Private Medical Insurance: What's the Difference? (2026)
Health cash plans and private medical insurance (PMI) both help with healthcare costs, but they work in very different ways. Choosing between them starts with what you want help paying for: everyday costs, or private treatment when something goes wrong.
The difference at a glance
| Health cash plan | Private medical insurance | |
|---|---|---|
| What it pays for | Everyday costs: dental, optical, physiotherapy, consultations, some scans and therapies | Private diagnosis and treatment of eligible acute conditions, including surgery and cancer treatment |
| How it pays | Refunds fixed amounts or a percentage, up to yearly limits per benefit | Pays the hospital and specialists directly for authorised treatment |
| Typical cost | Often from a few pounds to around £50 a month, depending on level | Often from around £40 to several hundred pounds a month, depending on age and cover |
| Pre-existing conditions | Often not excluded, though some benefits have waiting periods | Usually excluded at first |
| Medical questions | Usually none | Depends on underwriting |
| Big bills | Not designed for them | Designed for them |
How a health cash plan works
You pay a monthly premium and choose a level of cover. When you pay for an eligible treatment, such as a dental check-up or new glasses, you claim back the cost up to the limit for that benefit. Limits reset each year.
Typical benefits include:
- Dental check-ups and treatment
- Glasses and contact lenses
- Physiotherapy, osteopathy and chiropractic treatment
- Specialist consultations and some diagnostic tests
- Hospital stays, paid as a small amount per night
- Remote GP and wellbeing services
Some benefits, such as cover for new babies, may have waiting periods before you can claim.
How private medical insurance works
PMI pays for private treatment of acute conditions, those that respond to treatment and return you to your previous state of health. If your GP refers you, your insurer authorises the consultation, tests and treatment, and pays the hospital and specialists directly, after any excess. Cover usually includes inpatient and day-patient treatment, cancer treatment and, depending on the plan, outpatient diagnosis, therapies and mental health.
PMI usually does not cover routine dental or optical care, chronic conditions, emergency care or, at least at first, pre-existing conditions. See how much private health insurance costs.
Which is right for you?
A cash plan may suit you if:
- You mainly want help with regular, predictable costs such as dental and optical bills.
- You have a pre-existing condition and want help with physiotherapy or consultations.
- You want low-cost cover with no medical questions.
PMI may suit you if:
- Your main concern is waiting for diagnosis or surgery.
- You want cover for cancer treatment and larger bills.
- You can afford a higher monthly premium.
Both can work together: PMI for the big costs, and a cash plan for everyday costs that PMI usually leaves out.
Workplace cash plans
Many employers offer cash plans because they are inexpensive per employee. Employer-paid cash plans are usually a taxable benefit in kind, so check with your employer how yours is treated.
Get help comparing
WeCovr is an FCA-regulated broking firm. Get a quote through WeCovr, and a specialist from WeCovr or one of its broker partners will help you compare private medical insurance from a range of UK insurers and explain where a cash plan might fill the gaps. Brokers are usually paid a commission by the insurer when a policy is arranged.
Get a private health insurance quote
Frequently asked questions
Is a health cash plan the same as health insurance?
Do cash plans cover pre-existing conditions?
How much does a health cash plan cost?
Can I have a cash plan and private medical insurance?
Sources
- Association of British Insurers: private medical insurance claims and membership figures for 2024 (published January 2026)
- HM Revenue & Customs: Expenses and benefits, medical or dental treatment and insurance
Important Information and Risks
No advice: This article is for general information only. It is not financial, legal, insurance, or tax advice, and it is not a personal recommendation. WeCovr does not assess your individual circumstances or recommend a specific product through this article.
Policy exclusions and underwriting: Insurance policies, including life insurance, private medical insurance, critical illness cover, and income protection, are subject to insurer underwriting, eligibility, acceptance criteria, terms, conditions, limits, and exclusions. Pre-existing medical conditions may be excluded, restricted, or accepted on special terms unless an insurer confirms otherwise in writing.
Tax treatment: References to tax treatment, HMRC rules, or business reliefs are based on current UK legislation and guidance, which can change. Tax treatment depends on your personal or business circumstances and may differ from examples in this article.
Before you buy: Always read the Insurance Product Information Document (IPID), policy summary, and full policy terms before buying, renewing, changing, or keeping cover. If you are unsure whether a policy is suitable for you, speak to an insurance adviser.
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