This is the question almost everyone arrives with, and the one most often answered with a shrug. It is not unanswerable. It is arithmetic, done in a particular order — and you can do most of it yourself on the back of an envelope before you speak to anybody.
- Start with the income you want, not the pot you have.
- Subtract State Pension and any final salary pension — what remains is the gap your savings must fill.
- The bridge years before State Pension age are the expensive ones.
- One more year of work usually moves the date by more than one year's saving suggests.
- The answer is a range, not a date — and it moves as your life does.
Should you start with your pension pot or your target income?
Most people begin with the pot: I have £340,000, is that enough? It is the wrong starting point, because the same pot is comfortably enough for one household and badly short for another.
Begin instead with the number you want to spend each year. If you have never worked that out, twelve months of bank statements will tell you what you spend now — then take out commuting, work clothes and the pension contributions you will stop making, and add in the travel and hobbies that fill the time.
What income will you receive in retirement regardless?
Some of your retirement income arrives whether you plan for it or not, and it is secure and rises each year. Subtract it from your target:
- The State Pension. Currently up to £241.30 a week — about £12,548 a year — if you have the full record. Check your forecast rather than assuming.
- Any final salary pension. An income for life from an old employer, often with a spouse's pension attached.
- Anything else guaranteed. Rental income, an annuity already bought, a part-time wage you intend to keep.
What is left is the gap. That is the only number your pensions and savings actually have to produce, and it is usually far smaller than the target you started with.
What size pension pot do you need to fill the gap?
As a rough sighting shot, a sustainable withdrawal of somewhere around 4% a year means every £1,000 of annual gap needs roughly £25,000 of pot behind it. A £12,000 gap therefore points at something in the region of £300,000.
Treat that as a sense check, not an answer. The 4% figure came from particular markets over a particular period, it assumes steady inflation-linked spending, and real retirements are not steady. It tells you whether you are in the right postcode, not the right house.
How do you fund the years before your State Pension starts?
Here is the part people miss. If you stop at 60 and your State Pension does not begin until 67, you have seven years to fund entirely from your own money — and during those years you need the whole target income, not the gap.
Those bridge years are usually the single biggest thing standing between someone and an earlier retirement. They are also the most fixable, because the money only has to last a defined number of years rather than the rest of your life.
Two dates are worth checking rather than guessing. State Pension age is rising from 66 to 67 between May 2026 and April 2028, and is legislated to reach 68 between 2044 and 2046. And from 6 April 2028 the earliest you can normally touch a private pension rises from 55 to 57.
How much difference does working one more year make?
Working an extra year does four things at once, which is why it shifts the answer so much more than it feels like it should:
- You add another year of contributions, usually with tax relief and often an employer match.
- The pot stays invested for another year instead of being drawn from.
- You remove a year of withdrawals from the other end.
- You shorten the bridge by twelve months.
This cuts both ways, and it is the honest reason we rarely tell someone the answer is simply "no". Going part-time for three years often achieves more than working full-time for one — and it is a great deal more pleasant.
How do you stress-test a retirement date?
The envelope gets you a shortlist of plausible years. What it cannot do is tell you what happens if markets fall 20% in your second year of retirement, or if you live to ninety-five, or if one of you dies first and a chunk of household income stops with them.
That is what cashflow modelling is for, and it is why the honest output of good planning is a range with conditions attached — "somewhere between 61 and 63, and here is what would have to happen to push it later" — rather than a single confident date.
Should your retirement date be reviewed?
A retirement date set once and never revisited is a guess with a birthday. Markets move, salaries change, inheritances arrive, health changes, and people discover they quite like their job after all. The date is reviewed, not decided.
But you should have one. Working towards a year you have actually tested is an entirely different experience from hoping it will all be alright.
Source: State Pension amounts are from GOV.UK, The new State Pension: what you’ll get. You can check your own entitlement with the government’s State Pension forecast service.
This article is general information, not personal advice. The value of investments can fall as well as rise and you may get back less than you invested. Withdrawal rates used here are illustrative rules of thumb, not recommendations, and past performance is not a reliable indicator of future performance. State Pension rates, pension ages and tax rules are those applying in the 2026/27 tax year and may change in future. The information contained within this article was accurate at the date of publication and is subject to change. Reviewed by Bright Wealth before publication.