Thresholds
What is adjusted net income?
The hidden number behind HICBC, the Personal Allowance taper and Tax-Free Childcare.
Common payroll and threshold questions
Tax codes
Why is my tax code BR?
The common reason a second job or missing allowance produces BR.
Emergency tax
What is an emergency tax code?
What W1, M1 and X codes usually mean in practice.
Overtime
Do I pay tax on overtime?
Yes, but the real question is how the extra pay lands in the bands.
Family and filing questions
Child Benefit
How does Child Benefit get clawed back?
The HICBC explanation without the jargon.
Returns
Do I need Self Assessment?
The clean first-pass answer and when to use the HMRC checker.
Marriage
How does Marriage Allowance work?
The transfer, the headline saving and the common watch-outs.
Threshold traps
What is the 60% tax trap?
The taper zone from £100,000 to £125,140 in plain English.
Savings and investing questions
Savings
Do I pay tax on savings interest?
The Personal Savings Allowance and starting rate in one page.
Cars
How do company-car tax rates work?
The quick guide to BIK percentages and fuel benefit.