Health insurance in the UK is not mandatory, but there are a number of reasons why you might want to consider it. In general, health insurance in the UK will cover the cost of your medical treatment if you need to go to hospital, as well as some or all of the cost of your GP appointments, prescriptions, and other healthcare.
The cost of health insurance in the UK varies depending on a number of factors, such as your age, lifestyle, and the level of cover you choose. However, as a general guide, you can expect to pay around £50-£100 per month for a basic level of cover. If you want a more comprehensive policy, you could end up paying £200 or more per month.
There are a number of different health insurance providers in the UK, so it's worth shopping around to see who can offer you the best deal. You can also use comparison websites to help you find the right policy for you.