Let’s talk about HMRC Payments On Account as we fast approach the self assessment tax return filing deadline of 31 January.

HMRC payments on account can be one of the most surprising tax bills for the self employed – especially for anyone who is filing their first self assessment tax return form.

Here’s everything you need to know about HMRC Payments on Account, how they work and how to budget for them.

What are HMRC Payments on Account?

In a nutshell, HMRC require you to make TWO advance payments towards your income tax and Class 4 national insurance due for the next tax year. 

These two payments are due each year by:

  • 31 January 
  • 31 July

The amount you pay is based on your current tax year bill.  Then when you file your next tax return, you’ll need to make a balancing payment if necessary.

An Example of HMRC Payments on Account

Here’s an example of HMRC payments on account to demonstrate how it works.

Let’s roll things back to when you first became self-employed and needed to submit your very first self-assessment tax return.

It’s 31 January 2016..

It is time to file your tax return for tax year 2014/2015 and pay tax due of £5,000.

It addition to this payment, you’ll need to pay an HMRC payment on account of £2,500 towards your 2015/2016 tax bill. 

That’s 50% of your current bill so the total owed to HMRC is £7,500.

It’s 31 July 2016

A second HMRC payment on account is due.  Again that is £2,500 (50% of your 2014/2015 tax bill).

By this date you would have paid £5,000 towards your 2015/2016 tax bill.

It’s now 31 January 2017

Your next self assessment tax return form for 2015/2016 is due for filing.

You work out that your tax bill for this tax year is £5,500.

That means you have already paid £5,000 towards this bill so need to make a balancing payment of £500. Great news!

Annoying news! You still need to continue the process of making payments on account for the next tax year.  So you need to now pay slightly more than last year, £2,750 (that’s 50% of your latest tax bill of £5,500).

So based on this example you will pay a total of £3,250 on 31 January 2017 to HMRC.

Looking forward to 31 July 2017

Better make a diary note, under the HMRC payments on account system you are going to have to make another payment – £2,750 which is 50% of your last tax bill of £5,500.

What a difference a year makes!

You paid a total to HMRC of £7,500 paid on 31 January 2016 but £3,250 on 31 January 2017.

That’s because you basically had to pay two years worth of tax up front in your first year of going self employed.

Becoming self-employed is a great thing, but your first tax bill is a hard hitter and it’s so important for everyone to be aware of HMRC payments on account. 

But once you are through this first year, things will settle.

Saving for that tax

It’s so easy to forget about HMRC payments on account.  The best thing advice I can give is to tuck a little away each month.  

Keep an eye on your earnings and estimate how much tax to put away each month in a deposit account, so it’s there ready and waiting.

Who needs to make HMRC payments on account

Here’s the HMRC criteria to help you work out if you need to make a payment on account:

  • Anyone whose tax bill is over £1,000.
  • Anyone who pays less than 80% of the tax they owe through the payroll system (it has been deducted at source).

What if your earnings suddenly decrease

In this example, everything settled out because the tax due was a similar level across the two tax years.  But what if you can see that your earning have suddenly decreased and know that the HMRC payment on account is too much?

HMRC can be reasonable, you can apply to reduce your payment on account. But be warned if you reduce it too much they will charge you interest on what you should have paid.  So always seek advice before doing this.

Learn More: How to Reduce Your Payment on Account

Updated 21 April 2019

Anita Forrest

Anita is a Chartered Accountant with over a decade of experience taking self-employed business owners from financially confused to business savvy.
She is the creator of the ‘Go Self Employed’ website, which is her corner on the internet where she makes self-employment less terrifying.
Anita Forrest

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