https://lanop.co.uk/self-assessments-tax-returns
Self-Assessment Deadline 31 January 2026 (UK) through a clear, human story that reflects the real pressure many taxpayers face. It explains who must file a Self Assessment Tax Return, what income and expenses must be declared, and how online filing works. What must be paid, including payments on account and National Insurance, while clearly outlining how HMRC penalties arise. By focusing on preparation, record keeping, and early action, it shows how individuals, sole traders, and company directors can avoid stress and stay compliant.

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