The £100k Tax Trap: How High Earners in the UK Are Stalling Their Careers to Avoid a 71% HMRC Charge

The £100k Tax Trap: A Career Roadblock for Britons

New research reveals that the infamous £100,000 tax trap is causing thousands of young Britons to 'put the brakes' on their careers to avoid a staggering 71 per cent charge from HM Revenue and Customs (HMRC). A study by wealth manager Killik & Co shows that more than one in five high earners believe this tax issue is harming their professional advancement.

Key Findings from the Survey

The survey, which included 2,000 individuals earning six-figure salaries, found that:

• 10 per cent of respondents have considered cutting their working hours to keep their income below the £100,000 threshold.
• 17 per cent would turn down a salary increase or promotion to avoid crossing this mark.
• Over a quarter of young workers aged 18 to 24 report that tax considerations have dampened their career ambitions.

Analysts note the £100k tax trap is causing Britons to 'put the brakes' on their careers | GETTY

Understanding the Financial Impact

Workers who breach the £100,000 threshold face significant financial penalties:

• The tax-free personal allowance is gradually withdrawn.
• Access to Government-subsidised childcare is lost entirely.
• This combination results in an effective marginal tax rate of 62 per cent on earnings between £100,000 and £125,140.
• For those repaying student loans, an additional nine per cent is deducted, pushing the total marginal rate to 71 per cent.

As inflation increases wages, frozen tax bands mean people end up paying higher tax without pay increases in real-terms | GOV.UK

The Childcare Conundrum

Parents with children aged nine months to four years can receive up to 30 hours of free childcare weekly, but this entitlement disappears once either parent's salary exceeds £100,000. This adds another layer of financial strain for families.

Those paying off student loans face paying more to HMRC | GETTY

Expert Insights and Economic Implications

Will Stevens, head of Proposition Management at Killik & Co, stated that the tax trap is 'actively discouraging' workers from pursuing higher earnings. He explained: "This is leaving families under financial strain and in an unnecessarily difficult position. It's forcing families to deploy counterproductive strategies like restricting promotions and considering less optimal forms of financial compensation."

Mr Stevens warned that the consequences extend beyond individual households: "This not only weighs on the personal finances of those affected but also drags on the wider economy as young, bright individuals put the brakes on their careers to avoid the [trap]."

What is your tax bill? | GETTY

Current Strategies and Future Changes

Currently, 62 per cent of earners have considered using salary sacrifice arrangements to boost pension contributions and remain below the threshold. However, this strategy will become less effective from 2029 when pension contributions above £2,000 will attract National Insurance deductions.

Education Secretary Bridget Phillipson recently announced that the Government will examine the income thresholds for accessing free childcare, describing the current system as needing to be 'simpler' for parents, though no specific details were provided.

Broader Context

The survey also found that nearly a third of respondents financially support their own parents, highlighting the wider economic pressures faced by high earners in the UK.