Key Tax Dates

Important Tax Deadlines

We have listed below the key tax deadlines for individuals, self-employed and businesses:

The tax year runs from the 6th April – 5th April.

 

DateInformation Required
31 July 2017The second payment on account must be paid to HMRC for tax year 2016/17
05 October 2017The deadline to let HMRC know that you need to do a self-assessment tax return for tax year 2016/17
31st October 2017The deadline for submitting paper copies of your tax return for 2016/17 to HMRC and also the deadline for submission if you want HMRC to calculate how much tax you owe
30 December 2017The deadline for submitting a tax return if you want HMRC to adjust your 2017/18 PAYE code to recover any underpaid tax. The maximum you can repay via your PAYE code is £3000
31 January 2018Deadline for on line self-assessment submissions.

 

The balance of any outstanding tax and national insurance for 2016/17 must be paid to HMRC.

 

 

The first on account payment for tax year 2017/18 must be made

 

 

5 April 2018Last Day of Tax Year

 

Limited Companies

Taxable profits of up to £1.5 million

You must pay your Corporation Tax 9 months and 1 day after the end of your accounting period. Your accounting period is usually your financial year, but you may have 2 accounting periods in the year you set up your company.

Taxable profits of over £1.5 million

If your taxable profits of more than £1.5 million, you must pay your Corporation Tax in instalments.

 

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