Should You Defer Your State Pension?

When you reach state pension age, you are not obliged to start claiming your pension immediately. If you choose not to claim — or if you delay applying — your state pension is automatically deferred. The minimum deferral period is nine weeks.

For every nine full weeks you defer, your state pension increases by 1%. This equates to roughly 5.8% for each full year of deferral. If you reach state pension age in April 2026 and defer for exactly one year, your weekly state pension would increase from £241.30 to approximately £255.30 — an extra £14.00 per week for the rest of your life.

It is important to note that these rules apply to the new state pension — for anyone who reached state pension age on or after 6 April 2016. Under the old basic state pension (for those who reached pension age before that date), the rules were more generous: a 10.4% increase per year, plus the option of a one-off lump sum payment instead of higher weekly income. These old rules no longer apply to new retirees.

Our article on State Pension Explained covers how the new state pension works and how your entitlement is calculated.

The increase from deferral is straightforward to calculate. Based on the 2026/27 full new state pension rate of £241.30 per week:

The higher payment, once you start claiming, is uprated each year in the same way as the state pension — currently under the triple lock, which applies the highest of earnings growth, CPI inflation or 2.5%. So the increased payment maintains its real value over time.

If you defer for a partial year, you still benefit — only full nine-week periods count, so deferring for, say, 20 weeks gives you a 2% increase (two complete nine-week blocks).

The central question in any deferral decision is how long you need to live after starting your pension to receive more in total than if you had not deferred.

If you defer for one year, you miss out on £241.30 per week — roughly £12,548 in total during that year. In return, you get an extra £14.00 per week for the rest of your life. To break even, you would need to receive the pension for approximately 17–18 years after you start claiming it.

For example, if you reach state pension age at 66 and defer for one year, you would start claiming at 67. You would need to live to around age 84 or 85 to break even. If you live beyond that, deferral will have been financially beneficial.

If you are in good health, have a family history of longevity, and do not need the income immediately, the break-even calculation may well be in your favour. If you are in poor health or have concerns about your life expectancy, the calculation may not favour deferral.

The state pension is taxable income. While it is paid without deduction of income tax at source, it counts as income for tax purposes and will affect how much of your personal allowance and tax bands are used.

The personal allowance is £12,570 (frozen until 2028). For someone whose only income is the full new state pension (£12,547.60 per year for 2026/27), they would pay little or no income tax, as the state pension falls just within the personal allowance.

However, for people who are still working when they reach state pension age — earning a salary alongside the state pension — the combined income will almost certainly exceed the personal allowance. The state pension income would then be taxed at whatever rate applies to the rest of your income: 20% for basic rate taxpayers, or 40% for higher rate taxpayers (income between £50,271 and £125,140 in 2025/26).

Deferral can make sense here. If you are working full-time and earning well above the basic rate threshold, taking your state pension on top could see 40% of it taxed away. Deferring until you stop working — or reduce your hours — means you receive a higher state pension, taxed at a lower rate, which may be significantly more advantageous overall.

Our article on How Pension Withdrawals Are Taxed in the UK explains how different sources of retirement income interact with income tax.

If you are receiving certain state benefits when you reach pension age, deferring your state pension may not be possible or may have implications for those benefits.

If you are receiving Carer's Allowance, this stops when you reach state pension age, and you cannot increase your state pension by deferring. Pension Credit, Housing Benefit and other means-tested benefits are also affected by your income level — deferring your state pension will affect the calculations for these benefits. If you rely on any form of means-tested support, it is important to understand how deferral interacts with your benefits before making a decision.

Deferral may be worth considering in several situations. If you are still working at state pension age and your total income would push you into a higher tax bracket, deferring avoids paying 40% tax on your state pension during those working years. If you have other income sources — savings, investments, rental income or a private pension — that can sustain you without the state pension in the short term, and if you are in good health, deferral may be financially worthwhile.

Deferral is less likely to benefit those who need the income immediately, who are in poor health, or whose life expectancy is significantly below average. The break-even point of approximately 17–18 years means deferral makes financial sense mainly if you expect to live a relatively long retirement.

It is also worth noting that there is no obligation to decide at state pension age. You can claim immediately and change your mind later, but you cannot retrospectively recover deferred months you have already missed. It is worth thinking through your situation carefully before your state pension age arrives, ideally with input from a regulated financial adviser.

Our article on When Can You Claim the UK State Pension? explains how to check your personal state pension age and forecast.