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Do I need to file a P11D?

  • 3 min read
  • Last updated 13 Jan 2025

Do you need to file a P11D? If you’re running a limited company, the answer is probably yes. Why? This form is HMRC’s way of keeping tabs on workplace perks that aren’t processed through payroll. 👀

Filing a P11D helps HMRC determine how much tax and National Insurance is due on these extras. Whether it’s your first time filing or you just need a refresher, this guide will walk you through the process and help you stay on the right side of HMRC. 

What is a P11D form? 

A P11D form reports benefits and expenses provided to employees that aren’t processed through payroll. These perks – like company cars or private healthcare, may not show up on a pay slip, but they still need to be taxed.

Common benefits that require reporting on a P11D include:

  • Company cars and fuel ⛽
  • Private medical insurance
  • Interest-free loans
  • Gym memberships 🏋️
  • Subsidised meals

As an employer, it’s on you to ensure the form is completed accurately and submitted on time.

Who needs to file a P11D form? 

Here’s the good news: if you’re an employee, you can sit this one out. 😅 Filing a P11D form is strictly an employer’s job. Employers are responsible for reporting any benefits or expenses provided to their employees that aren’t processed through payroll.

If you’re an employee, your employer should send you a copy of the form for your records. 📥 You won’t need to lift a finger unless HMRC has questions (and if they do, it’s probably time to double-check your company perks list).

Need a helping hand?

That’s what we’re here for! Get expert advice from our accredited accountants with your limited company taxes.

When is the P11D filing deadline?

The P11D deadline is 6 July following the end of the tax year. Miss it, and HMRC won’t be sending you a gentle reminder – they’ll be issuing penalties instead. 😭

Here’s how it works: if your P11D form is late, you could face a fine of £100 per month for every 50 employees. Submit incorrect information? That could lead to additional penalties, ranging from 0% to 100% of the tax due, depending on whether HMRC thinks the error was carelessness or deliberate.

The bottom line? Don’t wait until the last minute. Get your P11D filing sorted before the deadline to avoid unnecessary stress and avoidable fines.

How to file a P11D form

Filing a P11D form might sound like a chore, but with the right steps, it’s not so bad. Here’s your quick P11D guide to getting it done without any hiccups:

  1. Choose your filing method: you can either file online through HMRC’s website or go old-school with a paper submission.
  2. Fill in the details: report all the benefits and expenses you’ve provided to employees that weren’t included in payroll. Accuracy is key here – typos and guesswork can lead to penalties. ⚠️
  3. Double-check your numbers: before hitting “submit”, review everything. Even small mistakes can lead to HMRC inquiries you’d rather avoid.
  4. Submit by the deadline: remember, the P11D filing deadline is 6 July. 
  5. Keep a copy: once it’s filed, save a copy for your records and provide one to your employees.

What happens after filing a P11D? 

Once your P11D form is filed, it’s not quite job done – there are a few follow-up steps to tick off:

  1. Employees get their copies: you’ll need to send a copy of the P11D form to each employee it applies to. This helps them keep their records straight (and keeps HMRC happy).
  2. Settle Class 1A NICs: employers must pay Class 1A National Insurance
  3. Fix any mistakes: spot an error after filing? Don’t panic. You can correct it by submitting an amended P11D form or contacting HMRC directly. The sooner you act, the better, it saves you from potential penalties. 💸

Keep HMRC happy 

Filing a P11D form might feel like just another item on your tax to-do list, but it’s a crucial one. Staying on top of the process, understanding what a P11D is, meeting the P11D filing deadline, and managing follow-ups, helps you avoid penalties and keep HMRC at bay. And don’t forget we’re here to help make sure you stay on track every step of the way!

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