Emma Clarke has been writing about UK personal tax since 2018, with a particular focus on Self Assessment, PAYE coding and the practical mechanics of how HMRC actually applies the rules to ordinary salaries. Her work concentrates on translating the dense language of HMRC manuals and Finance Act schedules into worked examples that show, pound by pound, how income tax and National Insurance reduce a gross salary to the figure that lands in a UK bank account. Emma covers the full PAYE lifecycle: tax codes (1257L, BR, K codes, emergency codes), the Marriage Allowance, the High Income Child Benefit Charge, salary sacrifice arrangements and their effect on pensionable pay, the Apprenticeship Levy, and the differences between the rUK and Scottish income-tax regimes. She is particularly interested in the edge cases that catch PAYE employees out — the £100,000 personal-allowance taper, the 60% effective marginal rate it creates, and the interaction between student-loan plans and pension contributions. Every figure in Emma's articles is verified against the current HMRC rates pages and worked through a Self Assessment calculation by hand before publication. She writes to CalcHub's editorial standards: primary-source citations, plain English, no promotional language, and clear "this is general information, not financial advice" disclaimers where appropriate.
What happens after you submit your Self Assessment return — refunds, balancing payments, amendments, HMRC enquiries, the SA302 for mortgages, and the 5-year record-keeping rule
Making Tax Digital for Income Tax (MTD ITSA) starts April 2026 for £50k+ self-employed and landlords. Here's what it means, when it applies to you, the software requirements and how it changes Self Assessment forever.
How HMRC's payments-on-account system works, why your first January bill is bigger than expected, when to reduce them, and the trap of treating January and July as separate
How to declare capital gains on your Self Assessment. Shares, crypto, second properties, the £3,000 annual exemption, 60-day property reporting, pooling rules and worked examples for 2025/26.
What you can and can't deduct as a sole trader on your Self Assessment. Home office, mileage, phone, subsistence, professional fees, capital allowances and the £1,000 trading allowance — with worked examples.
Part 3 of our Self Assessment series — how to declare employment, self-employed, dividend, rental, foreign, savings, crypto and CGT income on your UK tax return. With the boxes to fill, evidence to keep, and common errors.
How to transfer a cash ISA correctly, the 15-day FCA rule, LISA transfer fees, partial transfers explained, and the step-by-step process.
How the October 2025 Budget changes to employer NI, the NLW rise, and frozen thresholds affect take-home pay across every salary band.
Emergency tax codes, Plan 5 student loan repayments, auto-enrolment, and a worked example of a £26,000 graduate salary take-home calculation.
The HICBC reformed in April 2024: new £60k threshold, household income basis, taper to £80k. Pension salary sacrifice strategy and a worked example.
Use-it-or-lose-it ISA allowance £20k, LISA bonus deadline, JISA limit, top platform rates, transfer timing, and a 5-step end-of-year checklist.
APR protects farmland and farmhouses from inheritance tax -- but the Budget 2024 combined GBP 1M cap with BPR changes the picture from April 2026.
