Payments on Account: A Guide for First Time Self-Employed

Payments on Account: A Guide for First Time Self-Employed
Charlotte Baroukh

Charlotte Baroukh

Tax Expert @ Pie

3 min read

Updated: 11 Mar 2026

3 min read

Updated: 11 Mar 2026

Let's break it down

Starting your self-employment journey comes with unexpected tax surprises. Payments on account often catch new business owners off guard. These advance tax payments aren't just another bureaucratic hurdle.

 

They're HMRC's way of collecting tax throughout the year, rather than waiting for your annual return. For payments on account for first time self employed individuals, understanding the rules early prevents costly mistakes.

 

In this article, we'll cover everything you need to know about advance tax payments. You'll learn when they apply and how to manage them effectively.

What exactly are payments on account for first time self employed people?

Think of payments on account as paying your tax bill in advance. You're essentially giving HMRC money towards next year's tax before you even know what you'll owe.

 

These advance payments split your expected tax bill into two chunks. You pay half in January and the other half in July.

 

But here's the good news you won't need to worry about this in your first year of business. HMRC only asks for advance payments after they've seen your first full year's tax return.

 

Furthermore, you'll only pay if your tax bill was over £1,000. Many part-time self-employed people never reach this threshold.

What exactly are payments on account for first time self employed people?

When will you need to make your first advance tax payment?

Your first advance payment kicks in after filing your first profitable tax return. The timing depends on when you started your business.

 

Let's say you started your business in April 2023. You'd file your first tax return by January 31st, 2025. If that return shows you owe more than £1,000 in tax, you'll make your first advance payment on the same day. The second payment follows six months later on July 31st, 2025.

 

Remember, this only happens if your tax bill (minus any PAYE already paid) exceeds £1,000. It's a threshold that protects smaller businesses from cash flow problems.

How does HMRC calculate your advance payment amounts?

The calculation is surprisingly straightforward. HMRC looks at your previous year's total tax bill and subtracts any tax already paid through PAYE. Whatever's left gets split in half. Each half becomes one advance payment.

 

For example, if you owed £3,000 last year, you'd pay £1,500 in January and £1,500 in July. This includes both income tax and Class 4 National Insurance contributions. The system assumes your income will stay roughly the same. However, you can adjust these amounts if your circumstances change.

How does HMRC calculate your advance payment amounts?

What happens if your income drops significantly?

Life happens, and businesses have ups and downs. If your income takes a nosedive, you don't have to pay the full advance amounts. You can ask HMRC to reduce your payments by filling out form SA303. Maybe you've lost a major client or had to take time off for health reasons.

 

Whatever the reason, you'll need to show HMRC why you expect lower profits. The key is acting before the payment deadline don't wait until after. I learned this the hard way when my biggest client ended our contract unexpectedly. Thankfully, HMRC reduced my payments within two weeks of my application.

What are the consequences of missing these deadlines?

Missing payment deadlines gets expensive fast. HMRC charges interest from day one currently around 7.75% yearly.

 

That might not sound like much, but it adds up quickly. On a £1,500 payment, you'd rack up about £10 in interest per month.

 

There's no reminder letter or grace period either. The interest just keeps ticking until you pay. For repeat offenders, penalties might also apply. It's simply not worth the risk when you can plan ahead.

What are the consequences of missing these deadlines?

How can you prepare financially for advance payments?

The secret is treating tax like any other business expense. Every time money comes in, put 25-30% straight into a separate savings account.

 

Don't touch it. Pretend it's not yours (because technically, it isn't). Many self-employed people use basic business bank accounts for this purpose. Review your tax position every few months, not just at year-end.

 

Consider using modern tools to stay organised:

 

• Set up automatic transfers to your tax savings account

• Use accounting software to track income and expenses

• Schedule payment reminders well before deadlines

• Keep digital records of all transactions

 

Pie is the UK's first personal tax app, helping self-employed people stay on top of their tax. It offers real-time tax calculations and integrated bookkeeping, so you always know what you owe.

Final Summary

Advance tax payments might feel overwhelming at first. But they're just HMRC's way of spreading your tax bill across the year. Once you understand the system, it becomes another routine part of running your business.


The key is preparation and staying organised throughout the year. Start saving early, mark those payment dates in your calendar, and don't hesitate to reduce payments if needed. Remember, HMRC wants to work with you, not against you.

 

Ready to take control of your self-employment taxes? Try Pie tax the only tax app that combines bookkeeping, real-time tax figures, and expert advice in one simple solution.

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