Benefits in Kind: Medical insurance – staff perk or extra admin?

Benefits in Kind: Medical insurance blog with a picture of a doctor holding a stethoscope

When businesses start offering perks like private medical insurance, it’s a big win for employees.  But from a tax perspective? It’s not quite as simple as “just a perk”.

At DNA, we’ve recently introduced a medical insurance policy for our team, so this felt like the perfect time to write a blog about what this actually means — for both employers and employees.

What are Benefits in Kind?

Benefits in Kind (BIKs) are non-cash perks provided to employees in addition to their salary. Perks such as:

  • Private medical insurance
  • Company cars
  • Gym memberships
  • Subscriptions

Even though no money changes hands, HMRC still sees these as taxable income because they have a monetary value.

Medical Insurance as a Benefit in Kind

Private medical insurance is one of the most popular employee benefits because it  helps employees:

  • Access treatment faster
  • Support their wellbeing
  • Feel valued by their employer

But here’s the key point 

Medical insurance provided by an employer is a taxable Benefit in Kind.

That means:

  • The employee pays Income Tax on the value of the benefit
  • The employer reports it to HMRC
  • The employer pays Class 1A National Insurance
  • The employer gets Corporation Tax relief on the cost of the benefit

You may be thinking…. who actually pays for what here?

Employee: Employer:
Pays Income Tax on the value of the insurance

Usually collected via tax code or payroll

Pays for the policy

Reports the benefit to HMRC

Pays Class 1A National Insurance (currently 15%)

What DNA’s employees say about having this perk:

“It’s nice to have the knowledge that I am covered – should anything arise”. 

“Absolutely delighted – very kind and generous” 

What type of policy works best?

From a tax perspective, most employer-provided policies fall into:

  • Group Private Medical Insurance (PMI) → most common
  • Individual policies paid by employer → still taxable
  • Cash plans/health plans → also typically taxable

The key rule: if the employer is paying, it’s usually a Benefit in Kind.

There are very limited exemptions (e.g. certain work-related medical treatments), but standard health insurance is not one of them.

Reporting requirements: P11D vs Payrolling

This is where it gets technical — but also where we see the most confusion.

Option 1: P11D Reporting (Traditional Method)

  • Benefit reported after the tax year ends
  • Deadline: 6 July
  • HMRC adjusts employee tax code (which affects the next year’s pay)

Employers must also submit:

  • P11D(b) → total benefits summary
  • Pay Class 1A NI by 22 July

Option 2: Payrolling Benefits

Instead of reporting at year-end:

  • Benefit is taxed in real time through payroll
  • No P11D needed (for that benefit)
  • Employees see the tax impact immediately

Important: Even if you payroll the benefit, Class 1A NI still needs to be paid after the end of the tax year

Class 1A National Insurance – What is this?

This is often overlooked 

  • Paid by the employer only
  • Applies to most Benefits in Kind
  • Calculated as a % of the benefit value

 

For example:

£1,500 medical insurance

Class 1A NI at 15% = £225 cost to employer

 

Don’t forget other benefits…

Medical insurance is just one piece of the puzzle.

Other common Benefits in Kind include:

🚗 Company cars

🏋️ Gym memberships

💻 Subscriptions or software

🏡 Living accommodation

All of these may need reporting — and could trigger tax and National Insurance.

👉 If you’re unsure about gym memberships specifically, check out Gillian’s blog – here, read more about insurances here, or a quick overview on company cars here.

Why this matters for Business Owners

Offering benefits is brilliant for:

  • Attracting and retaining talent
  • Building a strong team culture
  • Supporting employee wellbeing

But without the right setup, it can lead to:

  • Unexpected tax bills
  • Missed reporting deadlines
  • HMRC penalties
  • Increased costs

 

Final thoughts

Medical insurance is a fantastic benefit — and one we’re proud to offer at DNA 💙 But like all Benefits in Kind, it comes with responsibilities. Getting it right from the start makes all the difference.

Need help with Benefits & P11Ds?

If you’re thinking about introducing staff benefits (or already have them in place), we can help you.

Just drop us a message — we’re always happy to chat.