Tax topic
Evidence-led explanations for UK residence, foreign income and cross-border transitions.
Start with residence, source and applicable period, then use the task-specific guidance and primary-source record.
Income Tax and PAYE
Understand gross pay, taxable pay, PAYE Income Tax, National Insurance and other payslip deductions, with practical checks for errors.
Updated 13 October 2026
Making Tax Digital
Check who must use MTD for Income Tax, the staged qualifying-income thresholds and the first mandatory year deadlines.
Updated 10 October 2026
Income Tax and PAYE
Why employees cannot claim working from home relief for 2026/27, how earlier-year claims work, and what employers can still pay tax-free.
Updated 4 October 2026
Income Tax and PAYE
Learn what W1, M1, X and NONCUM emergency tax codes mean, why they are used and how to check or update your PAYE details.
Updated 2 October 2026
Self Assessment
Key 2025/26 Self Assessment registration, paper, online, payment and payments-on-account deadlines through July 2027.
Updated 2 October 2026
Self-employed tax
Check the £1,000 trading allowance against gross income, then compare relief with actual expenses and find the correct HMRC reporting route.
Updated 2 October 2026
