AAT · unit
Personal Tax | AAT Level 4
Personal Tax is an optional AAT Level 4 unit covering income tax, National Insurance, capital gains tax, and the principles of inheritance tax for UK individual taxpayers, assessed under the current Finance Act.
2 hours 30 minutes
Exam length
70%
Pass mark
Computer-based exam
Format
On demand throughout the year
Sittings
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Personal Tax — overview
Personal Tax is one of the five optional units at AAT Level 4 Diploma in Professional Accounting. You must complete all three mandatory Level 4 units and pick two optional units, and Personal Tax is the natural choice for students heading into tax practice, self-employment advisory, or any role involving individual taxpayer advice.
The unit builds your technical knowledge of the three most common taxes affecting UK individuals: income tax (including employment income, benefits in kind, self-employment, savings, and dividend income), capital gains tax (with its reliefs and annual exempt amount), and the core principles of inheritance tax. You'll also learn about National Insurance contributions across all classes and the administration of self-assessment.
By the end of the unit you'll be able to prepare the full computational aspects of personal tax for UK taxpayers — total income, tax payable, NIC, and CGT — and explain to a client how the rules work and how they can legally minimise their overall tax liability. Personal Tax is examined under the current Finance Act (FA2025 for the Q2022 spec), so the rates and thresholds you learn are exam-current.
The Level 4 Diploma qualifies you as an AAT Licensed Accountant (MAAT) and leads to roles such as Assistant Financial Accountant, Tax Supervisor, Commercial Analyst, Payroll Manager, Senior Bookkeeper, Senior Finance Officer, and Audit Trainee. It also gives exemptions from ACCA, CIMA, ICAEW and CIPFA.
Learning outcomes
What you'll be able to do.
01
Understand principles and rules that underpin taxation systems
02
Calculate UK taxpayers’ total income
03
Calculate income tax and National Insurance contributions payable by
04
Calculate capital gains tax payable by UK taxpayers
05
Understand the principles of inheritance tax
Personal Tax syllabus
The topics you'll cover in Personal Tax and their assessment weightings.
Understand principles and rules that underpin taxation systems
10%
Understand principles and rules that underpin taxation systems
10%- UK tax system overview and sources of tax law
- Types of UK taxpayer and residence rules
- Self-assessment and filing deadlines
Calculate UK taxpayers’ total income
24%
Calculate UK taxpayers’ total income
24%- Income from employment and benefits in kind
- Income from self-employment
- Income from property, investments, and savings
- Computing total income and net income
Calculate income tax and National Insurance contributions payable by
28%
Calculate income tax and National Insurance contributions payable by
28%- Personal allowance and tapered restrictions
- Income tax bands and rates
- National Insurance contributions: Class 1, 1A, 2, 3, 4
- Payment of tax and NIC
Calculate capital gains tax payable by UK taxpayers
28%
Calculate capital gains tax payable by UK taxpayers
28%- Computation of chargeable gains
- Annual exempt amount and CGT rates
- Key reliefs: PPR, BADR, rollover, gift relief
Understand the principles of inheritance tax
10%
Understand the principles of inheritance tax
10%- Inheritance tax principles
- Nil-rate band and residence nil-rate band
- Lifetime transfers and exemptions
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Personal Tax exam format
Everything you need to know about how Personal Tax is assessed.
Duration
2 hours 30 minutes
Format
Computer-based exam
Structure
5 learning outcomes, assessed by a single computer-based exam.
Sittings
On demand throughout the year
Pass mark
70%
How to pass Personal Tax
Expert tips from Learnsignal's AAT tutors to help you prepare effectively.
Know current tax bands and allowances
Personal Tax is updated annually — Q2022 uses FA2025. Memorise the current personal allowance, tax bands, dividend allowance, and savings allowance before the exam.
Income tax computation is 50% of the marks
The computation of total income, reliefs, personal allowance, and tax payable is the exam's spine. Practise the layout until it's muscle memory.
NICs need rate-by-rate attention
Class 1, 1A, 2, 3, and 4 all feature. Know which applies to whom, the current thresholds, and how to calculate each under the FA in force.
Capital Gains Tax has distinct rules
Annual exempt amount, rates for basic vs higher rate taxpayers, BADR (formerly Entrepreneurs' Relief), principal private residence relief — all examinable. Practise disposal computations.
Inheritance Tax is principle-based
IHT is tested at a principle level — nil-rate band, residence nil-rate band, transferable nil-rate band, and the core exemptions. Heavy calculations are uncommon but possible.
Stay inside the legislation
Every answer must reference the current UK tax legislation. Don't bring in ACCA or ICAEW frameworks — AAT tests the FA in force.
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See AAT pricing →Personal Tax — frequently asked questions
Common questions about Personal Tax — what's covered, how it's assessed, and how to prepare.
What does the Personal Tax exam consist of?+
Personal Tax is assessed by a single computer-based exam lasting 2 hours 30 minutes. You'll be tested across 5 learning outcomes, with questions including multiple choice, numeric gap-fill, and task-based entries that mirror real workplace activities.
How long do I have to complete Personal Tax?+
The exam itself is 2 hours 30 minutes. Most students spend 8–12 weeks studying the unit alongside other work, but Learnsignal's on-demand content lets you go faster or slower depending on your schedule.
What's the pass mark for Personal Tax?+
AAT uses a 70% pass mark across all assessments in this qualification. Your overall qualification grade (Distinction, Merit, or Pass) is calculated from weighted unit marks and the synoptic where applicable.
Do I need prior experience to study Personal Tax?+
Not necessarily. Personal Tax is taught from first principles, but the Level 4 assumes you've completed the level below (or have equivalent experience). Use AAT Skillcheck if you're not sure you're ready.
When can I sit the exam?+
AAT exams are on-demand — you book when you're ready, at an AAT-approved assessment venue. There are no fixed exam windows. Most students sit within two weeks of finishing their last topic.
How much does the exam cost?+
Exam fees are set by AAT and by the assessment venue where you book your sit. You pay a one-off AAT student registration fee when you first enrol (covering access to the qualification for its lifespan) and then a separate fee per unit assessment at booking. For current fee figures, check AAT's fees page and your chosen training provider — figures change year on year and vary by venue, so we intentionally don't quote a fixed number here.
What materials does Learnsignal provide for Personal Tax?+
Your Learnsignal subscription includes recorded lectures, interactive quizzes, topic-by-topic notes, past-style practice questions, and full mock exams — all mapped directly to the Q2022 syllabus and accessible 24/7 from any device.
Can I resit if I fail?+
Yes. Level 2 and Level 3 unit assessments have no resit restrictions. Level 4 follows the same on-demand model. AAT keeps your highest mark, so a resit never lowers your grade — though we'd rather help you pass first time.
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