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Self Assessment — Guides, Tips & Expert Advice

Self assessment tax return guides, tips, and deadlines for UK sole traders and freelancers.

96 articles on Self Assessment

Self Assessment

How to Close Your Self Assessment Account with HMRC

Learn how to close your Self Assessment account with HMRC when you stop self-employment, including final returns and UTR implications.

10 March 2026·8 min read
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Self Assessment

Overlap Relief — Claiming Back Tax You've Overpaid

Learn what overlap relief is, how overlap profits arise when you start a business, when you can claim relief, and how basis period reform affects you.

10 March 2026·8 min read
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Self Assessment

Student Loan Repayments When Self-Employed — Plan 1, 2, 4 Explained

How student loan repayments work when you're self-employed, covering Plan 1, 2, 4, 5, postgraduate loans, thresholds, and when payments are due.

10 March 2026·9 min read
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Self Assessment

Universal Credit and Self-Employment — How Your Earnings Are Assessed

How Universal Credit works when you're self-employed, including the minimum income floor, reporting requirements, and earnings assessments.

10 March 2026·9 min read
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Self Assessment

How to Register for Self Assessment — Step-by-Step With Screenshots

A clear, step-by-step guide to registering for Self Assessment with HMRC, complete with screenshots so you know exactly what to expect at each stage.

9 March 2026·8 min read
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Self Assessment

How to Appeal an HMRC Penalty

Received an HMRC penalty you think is unfair? Here's how to appeal, what counts as a reasonable excuse, and the step-by-step process to follow.

8 March 2026·7 min read
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Self Assessment

HMRC Compliance Checks vs Full Investigations — The Difference

What's the difference between an HMRC compliance check and a full investigation? We explain the process, scope, and what each means for sole traders.

8 March 2026·8 min read
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Self Assessment

HMRC's Connect System — How They Catch Tax Evaders

HMRC's Connect system uses data from banks, social media, and more to catch tax evaders. Here's how it works and what it means for sole traders.

8 March 2026·7 min read
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Self Assessment

How Long Does an HMRC Investigation Take?

Wondering how long an HMRC investigation takes? Here's a realistic timeline covering compliance checks, aspect enquiries, and full investigations.

8 March 2026·8 min read
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Self Assessment

HMRC Payment Plans — Time to Pay Arrangements Explained

Can't afford your tax bill? HMRC's Time to Pay scheme lets you spread the cost. Here's how payment plans work, who qualifies, and how to apply.

8 March 2026·8 min read
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Self Assessment

What to Do If You Get a Letter From HMRC

Received a letter from HMRC and not sure what to do? Here's a calm, practical guide to understanding what it means and how to respond properly.

8 March 2026·8 min read
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Self Assessment

Penalties for Late Self Assessment — The Complete Scale

Missed the Self Assessment deadline? Here's the full scale of HMRC penalties for late filing and late payment, from day one to twelve months late.

8 March 2026·7 min read
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Self Assessment — Guides, Tips & Expert Advice | Accounted Blog