14/01/2026
Self Assessment deadline: 31 January 2026 (file online and pay).
If you’re self-employed, a landlord, or have income that isn’t taxed through PAYE, you may need to send a return and pay what you owe by then to avoid penalties.
Quick check:
● Do you need to send a return? https://www.gov.uk/self-assessment-tax-returns/who-must-send-a-tax-return
● Got your income + expense records together?
● Not sure about payments on account? https://www.gov.uk/understand-self-assessment-bill/payments-on-account
If you want help getting it finished and filed, book a quick call:
https://www.sunnyaccs.co.uk/contact/book-an-appointment/?utm_source=facebook_page&utm_medium=organic_social&utm_campaign=2026-01&utm_content=sa_checklist_week1
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