A practical Self Assessment checklist for UK taxpayers. From confirming whether you need to file to claiming expenses, avoiding penalties, and staying organised year-round, this guide walks you through Self Assessment step by step - without the stress.

Understanding which expenses you can claim as a sole trader is one of the simplest ways to reduce your tax bill. This guide breaks down the rules on allowable expenses, capital allowances, home office costs, and mileage so you can confidently claim every deduction you're entitled to — and avoid paying more tax than you need to.

For many people, completing a Self Assessment tax return can feel daunting - especially if it’s your first time. One of the most common stumbling blocks is simply knowing which documents you need to gather before you start.