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tax-due-dates

Key dates and deadlines

Payment dates
Self assessment 2019/20 2018/19
1st payment on account 31 January 2020 2019
2nd payment on account 31 July 2020 2019
Balancing payment 31 January 2021 2020
Capital Gains Tax* 31 January 2021 2020

* Non-residents with gains on UK residential property must pay CGT within 30 days of disposal unless already filing a self assessment tax return.

Other payment dates
Class 1A NIC 19 July 2020 2019
Class 1B NIC 19 October 2020 2019

Corporation tax is due 9 months and 1 day from the end of the accounting period, unless a 'large' company paying by quarterly instalments.

2018/19 Filing deadlines
Issue P60s to employees 31 May 2019
P11D, P11D(b) 6 July 2019
Self Assessment Tax Return (SATR) paper version 31 October 2019
Online SATR if outstanding tax
to be included in 2020/21 PAYE code
30 December 2019
Online SATR 31 January 2020