Last updated: 9 June 2026

By Stiv · Design, technology and personal finance

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Filing your end of year tax return in the UK can feel overwhelming, but getting it done early saves you stress, money, and a potential run-in with HMRC. Whether you need to report self-employment income, a side hustle, rental earnings, or investment gains, this guide walks you through every deadline, explains how to file, and shows you how to save 35% on your return with TaxFix.

This article is for general information only and does not constitute financial or tax advice. Always check official guidance on GOV.UK or speak to a qualified accountant.

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