Key Dates

Upcoming Dates

Past Dates

  • 15 January

    • Employer deadline for ETI and social security returns and payments of contributions for Q4

    • Deadline for filing tax returns and computations to avoid surcharges on underpaid tax

    • Personal and company tax returns become available online for the new tax year

  • 31 January

    • Deadline for filing UK NRL returns for companies for the previous year ended 5 April and for the payment of tax

  • 06 April

    • Start of new UK tax year, blank non-resident company tax returns for the year begin to arrive. Keep in a safe place until the accounts are available to complete them

  • 15 April

    • Employer deadline for ETI and Social Security returns and payments for Q1

  • 13 May

    • Bulk estimated estimated assessments sent to accountants and to tax payers

  • 30 June

    • Deadline for payment of Guernsey Tax for first instalment for individuals and tax paying companies

  • 15 July

    • Employer deadline for ETI and Social Security returns and payments for Q2.

  • 31 July

    • Date by which all payments to HMRC for 2nd instalment of the previous year ended 5 Apr should have been made

  • 30 September

    • Deadline for submission of personal tax returns for the UK in paper format

  • 01 October

    • Deadline for submission of ATED returns (required for owners of UK residential property)

  • 15 October

    • Employer deadline for ETI and Social Security returns and payments for Q3

  • 31 October

    • Deadline for charge payments for ATED

  • 30 November

    • Deadline for submision of all personal and company tax returns. Penalties will be applied for late filing

  • 07 December

    • Payment reminder list is issued by ITO detailing expected payments on account for the second instalment of the year

  • 31 December

    • Deadline for payment of Guernsey Tax for second instalment for individuals and companies

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