A pay rise never lands in your bank account in full. These pages compare two salaries side by side — income tax, National Insurance, monthly and weekly take-home — and show exactly how much of the difference you keep, using 2025/26 rates (thresholds frozen to 2028, so the figures also hold for 2026/27; England, Wales and Northern Ireland — Scottish bands differ).
The pattern is worth knowing before any salary negotiation. A basic-rate earner keeps roughly 72p of every extra £1 (20% tax + 8% NI). Above £50,270 that drops to 58p (40% + 2%). Between £100,000 and £125,140 the personal allowance taper cuts it to about 38p — the notorious £100k tax trap — and above £125,140 it recovers slightly to 53p at the 45% additional rate. Pick the comparison that matches your situation, or read our high-earner tax tips if you’re heading past six figures.
Everyday salaries (£20k–£38k)
Crossing the higher-rate line (£40k–£55k)
Higher-rate earners (£60k–£90k)
High earners and the £100k trap (£100k+)
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