By Dr. Ndubuisi “Andy” Egwim – MBBS, former NHS Salaried GP, author of The Moneywise Doctor.
Moneywise Doctor provides financial education, not regulated financial advice.
Many doctors consider going LTFT for wellbeing, family, or training reasons, then get surprised by how the numbers actually work out. The financial reality of going LTFT is that it changes more than your take-home pay. It affects your pension contributions, your progression timeline, and how your income interacts with tax thresholds you were used to before the change. The reduction in hours rarely maps onto a simple, proportional drop in your finances.
This guide walks through what actually changes when you go LTFT, so you can plan the move with a clear picture rather than a rough guess.
Why this matters for doctors specifically
Doctors often assume going LTFT means earning a fixed fraction of their previous salary and little else changes. In reality, several things shift at once. Your NHS pension contributions can move to a different tier. Your training timeline extends if you’re still progressing through a programme. And depending on your previous income level, a reduced salary can pull you out of a higher tax band or the personal allowance taper, which changes your effective tax rate on the income you do keep.
Before making the switch, it helps to see your full financial picture rather than just the headline pay cut. The MEDSCAN diagnostic can highlight areas worth reviewing before you commit to a change in hours.
What actually changes when you reduce your hours
Reducing your hours affects several parts of your finances at once, not just your gross pay:
- Your salary reduces roughly in line with your new working pattern, though exact NHS pay calculations can vary by contract and banding.
- Your NHS pension contribution tier may change, since tiers are based on pensionable pay, and lower pay can shift you into a different contribution band.
- Your training or progression timeline may extend, if you’re on a training pathway with hours-based progression requirements.
- Your tax position can shift if reduced income moves you out of a higher band or away from the personal allowance taper.
The key factors to plan around
- Pension contribution tiers move with your pay, not your hours directly. A pay reduction can shift your NHS pension contribution rate, which affects both your take-home pay and your future pension growth.
- Fixed costs don’t reduce alongside your salary. Mortgage payments, GMC and BMA fees, and other fixed commitments stay the same even as income drops, so the affordability gap is often larger than the headline percentage reduction suggests.
- Training progression timelines are contract-specific. LTFT doctors on a training pathway often see their completion date extend, which is worth factoring into longer-term career and financial planning.
Common mistakes doctors make around this
- They calculate the pay cut as a simple percentage of gross salary, without checking how it affects their actual take-home pay after tax and pension changes.
- They don’t review fixed monthly costs before reducing hours, then find the gap between income and expenses larger than expected.
- They assume pension contributions stay proportional to hours, without checking whether the change moves them into a different contribution tier.
- They don’t consider how a longer training timeline might affect their overall lifetime earnings, alongside the immediate change in monthly income.
What to check before going LTFT
Check your current fixed monthly costs against your expected new take-home pay, not against your current gross salary. Confirm how your NHS pension contribution tier is likely to change with your new pensionable pay. If you’re on a training pathway, ask your training programme director how LTFT affects your expected completion date. Review whether the change affects your tax band or your exposure to the personal allowance taper, since this can shift your effective tax rate on remaining income.
When to get professional advice on this
If you’re weighing LTFT against other financial commitments, such as a mortgage application, a family financial plan, or a major purchase, a regulated adviser or accountant can help you model the real impact rather than relying on a rough estimate. This is especially worth doing before you submit a formal LTFT request, since some changes are easier to plan for in advance than to adjust after the fact.
Frequently asked questions
Does going LTFT reduce my pay proportionally to my hours?
Not always exactly. NHS pay calculations depend on your specific contract and banding, so the reduction can differ slightly from a simple percentage of your hours.
Will my NHS pension contributions change if I go LTFT?
Possibly. Pension contribution tiers are based on pensionable pay, so a reduction in salary can move you into a different contribution tier.
Does LTFT affect my training progression?
For doctors on a training pathway, yes, in many cases. LTFT can extend your expected completion date, depending on your specific programme’s rules.
Could going LTFT change my tax band?
Yes, potentially. A lower salary can move you out of a higher tax band or away from the personal allowance taper, which changes your effective tax rate.
Should I speak to someone before requesting LTFT?
It’s worth reviewing your full financial position first, especially if you have fixed costs like a mortgage, since the real affordability gap can differ from the headline pay reduction.
Related reading
- How Overtime and Extra Shifts Affect Your Tax Band
- Tax Considerations When Switching from Salaried GP to Locum Work
- How the Personal Allowance Taper Actually Works (Beyond the 60% Trap)
- Can NHS Doctors Retire at 55, 57, or 60? The Financial Implications
Get a clear picture before you make the change
Diagnose Your Financial Blind Spots
Before deciding on LTFT, it helps to see your full financial position. The MEDSCAN is a financial diagnostic system designed specifically for doctors.
It helps you:
- Identify hidden financial gaps
- Spot risks before they become costly
- Uncover opportunities hiding in plain sight
Take the MEDSCAN here.
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