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Finance · Tax & benefits

Self Assessment Essentials: Your Complete Guide to Filing with HMRC

A practical, step-by-step course for UK adult learners who need to understand and complete their Self Assessment tax return. From registering with HMRC to submitting your final return, you’ll learn what records to keep, which allowances to claim, and how to avoid common mistakes. No prior tax or HMR

360 min8 modulesBeginner friendly
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Free to take. This course does not use any Learning Credits.

What you’ll be able to do

By the end of this course, you will be able to register for Self Assessment, gather and organise your income and expense records, complete your tax return accurately, and submit it online before the deadline, with confidence that you have claimed all allowable deductions.

Course outline

A clear route from first principles to practical confidence

  1. 01

    Module 1: Getting Started with Self Assessment

    • Who needs to complete a Self Assessment return?
    • How to register for Self Assessment with HMRC
    • Key deadlines: the tax year, filing dates, and payment dates
    • Your Unique Taxpayer Reference (UTR) and online account
  2. 02

    Module 2: Organising Your Records

    • What records HMRC expects you to keep
    • Organising your income: employment, self-employment, and other sources
    • Tracking your expenses: receipts, invoices, and bank statements
    • How long to keep records and what happens if you don’t
  3. 03

    Module 3: Understanding Your Income

    • Employment income: P60s, P45s, and tips
    • Self-employment income: sole trader vs. limited company
    • Rental income: what counts and allowable expenses
    • Savings, dividends, and other investment income
  4. 04

    Module 4: Allowable Expenses and Deductions

    • What counts as an allowable business expense
    • Claiming for home office, travel, and equipment
    • The £1,000 trading allowance and property allowance
    • Expenses you cannot claim and common pitfalls
  5. 05

    Module 5: Completing Your Tax Return Online

    • Logging into your HMRC online account and finding the right form
    • Filling in the employment and self-employment sections
    • Reporting rental income and other supplementary pages
    • Checking for common errors and using the HMRC calculator
  6. 06

    Module 6: Tax Calculations, Payments, and Penalties

    • How your tax bill is calculated: income tax, National Insurance, and student loan repayments
    • Payment on account: what it is and how it works
    • How to pay HMRC: online, by bank transfer, or through your tax code
    • Penalties for late filing, late payment, and inaccuracies
  7. 07

    Module 7: Claiming Allowances and Reliefs

    • Personal Allowance and how it changes with income
    • Marriage Allowance: transferring allowance to your partner
    • Blind Person’s Allowance and other less common reliefs
    • Claiming relief for charitable donations and pension contributions
  8. 08

    Module 8: After You Submit – What Next?

    • What happens after you submit: HMRC processing and your statement of account
    • How to amend a return if you find an error
    • Dealing with HMRC enquiries and compliance checks
    • Planning ahead: tips for next year’s return