The UK tax trap in numbers

These are the exact figures behind the UK tax trap, each checked against gov.uk and computed by the same engine that powers the calculator. They are free to quote. If a number here helps your article or your thread, please link back so your readers can work out their own position.

Between £100,000 and £125,140 of income, the effective marginal tax rate is about 62% in England, Wales and Northern Ireland, and about 70% in Scotland.

Source: GOV.UK: Income Tax rates and Personal Allowances

The tax-free Personal Allowance of £12,570 is withdrawn by £1 for every £2 of income above £100,000, and has gone entirely by £125,140.

Source: GOV.UK: Income Tax rates and Personal Allowances

The High Income Child Benefit Charge takes child benefit back between £60,000 and £80,000 of income, removing all of it by the upper figure.

Source: GOV.UK: High Income Child Benefit Charge

Funded childcare hours and tax-free childcare are withdrawn the moment adjusted income passes £100,000, with no taper, so they are lost at a single pound over the line.

Source: GOV.UK: 30 hours free childcare

Pension contributions receive tax relief up to an annual allowance of £60,000 a year, or your earnings if they are lower.

Source: GOV.UK: Tax on your private pension, annual allowance