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Tax Calendar: Important Dates & Deadlines March - April 2017

Now updated with April dates, here's a list of important tax dates and deadlines for the coming months.

March 2017 (note the 19th is a Sunday, so employer payments to have cleared by Fri 17th)

  • 1st - 2015/16 Self Assessment payment now 30 days late = 5% charge on the tax owing on that day.
  • 8th - Budget Day - The Last Spring Budget as Philip Hammond has moved the Main Budget to the Autumn from now on, with only a small Spring Statement, from next year. 
  • 31st - Closing date to claim for the Winter Fuel Benefit for this year.
  • March - Last minute tax planning. Double check you have availed of all relevant allowances/ exemptions for capital gains tax, inheritance tax, ISA's and pension. Check out our article on making the most of your annual allowances.
Below dates relevant for Employers only.
  • 1st - Last chance to pay any balance of 2015/16 tax and Class 4 NICs to avoid an automatic 5% late payment penalty.
  • 1st - New advisory fuel rates for users of company cars effective from today.
  • 17th (22nd if paid electronically) - PAYE, Nat. Ins.,Student Loan & CIS monthly deductions due. Last day to send in Employer Payment Summary's (EPS) for month ended 5th March.

April 2017 - End of Tax Year - Use up your allowances!

  • 1st - Introduction of the new 16.5% VAT flat rate for businesses with limited costs. More Info here.
  • 1st 5th - 1st is the end of the Business Premises Renovation Allowance (BPRA) for Corporation Tax, the 5th for Income Tax. A 100% tax allowance for certain spending when you’re converting or renovating qualifying business premises in a disadvantaged areas.
  • 5th - End of 2015/16 tax year. Last chance to avail of annual exemptions for capital gains tax, inheritance tax, pension allowances and ISA's
  • 5th - Last chance to use up any unused pension allowance from 2013/14; or to claim back any overpaid tax from 2012/13; or to top up your NI contributions for the sake of your state pension for 2010/11.
  • 6th - New tax year commences as do any tax changes such as the increase in the basic personal allowance to £11,500
  • 6th - HMRC issue Self Assessment Returns and Notices to Complete a Return for the year to 5 April 2017.
  • 30th - Last chance to avoid the £10 a day additional penalty on outstanding 2015/16 Self Assessment tax return.
Below dates relevant for Employers only
  • 6th - Employers must check their payroll software incorporates the 2017-18 changes from today. Also make sure any relevant changes to employees tax codes for the 2017/18 year have been made.
  • 19th - Your final Full Payment Submission (FPS) for the 2015-16 year should be returned by today. Note from 6th April 2015 completing the final declaration checklist on your FPS is no longer mandatory. HMRC will accept a final FPS or EPS for a period from 6 April 2015 to 5 April 2016 with or without a completed checklist.
  • 19th (22nd if paid electronically) - 1st quarter PAYE/Nat. Ins. payments due for period 6th Jan to 5th April 2016.
  • 19th (22nd if paid electronically) - PAYE, Nat Ins, Student Loan & CIS monthly deductions due.
  • 19th (22nd if paid electronically) - Interest is charged on any outstanding PAYE/CIS from 2015/16.

If there are any relevant tax dates we are not presently including in our tax calendar, please feel free to contact us to request their inclusion.