Insights
Notes from the filing calendar.
Short briefings on the dates and regimes that actually move cash — not a blog of recycled HMRC headlines.
Self Assessment
31 January is a payment date, not just a filing date
The online Self Assessment deadline is famous. The balancing payment and the first payment on account, due the same day, are what actually hurt.
12 January 2026
Making Tax Digital
Making Tax Digital for Income Tax is no longer a rumour
From April 2026, many sole traders and landlords must keep digital records and send quarterly updates to HMRC. The software choice you make now is the one you will live with.
4 September 2026
Benefits in kind
P11D is a July problem that starts in April
The P11D deadline is 6 July. The records it needs — mileage logs, medical invoices, loan balances — are already going cold if you wait until June.
18 May 2026
Standing dates
Recurring UK dates. Your own VAT period, year end and payday sit on top of these.
- 5 AprilEnd of the UK tax year
- 19 April / 22 AprilPAYE and CIS payment (paper / electronic)
- 31 MayP60s to employees
- 6 JulyP11D and P11D(b) filing
- 31 JulySelf Assessment second payment on account
- 5 OctoberRegister for Self Assessment if newly in charge
- 31 OctoberPaper Self Assessment deadline
- 31 JanuaryOnline Self Assessment and balancing payment