Most people significantly overpay tax in retirement simply because they haven't thought about it properly. Here's a comprehensive guide to how retirement income is taxed in the UK - and how to structure it efficiently.
Tax in retirement is one of the most misunderstood areas of personal finance in the UK.
Not because it's impossibly complex - it isn't. But because most people approaching retirement have spent decades as employees, where tax was handled automatically through PAYE. They've never had to think strategically about income - it arrived, it was taxed, the rest was theirs. The decisions were made for them.
In retirement, that changes. Suddenly you have multiple potential income sources - pension draw-down, ISA withdrawals, State Pension, savings interest, possibly part-time earnings or rental income - and you are responsible for how you draw them, in what sequence, and in what amounts. The decisions you make have real and lasting financial consequences.
Done thoughtfully, the tax position of most early retirees is significantly better than they expected. Many pay far less tax in retirement than they ever did during their working lives - sometimes approaching zero. Done carelessly, retirement income can generate unnecessary tax bills that run to thousands of pounds a year.
This post covers the essentials. It's aimed at individuals, at couples where both have retired, and at the increasingly common situation where one partner has retired and the other continues to work. All three scenarios have different tax dynamics that are worth understanding clearly.
As always - I'm not a financial adviser and this is not personal advice. Tax is an area where individual circumstances matter enormously. For anything complex, take regulated professional advice.
The foundations — what you need to know first
Before getting into the different scenarios, there are six core concepts that everything else builds on.
- Personal allowance — £12,570
No tax is charged on income up to the personal allowance, which is set at £12,570 for 2026/27. The personal allowance has been set at this level since April 2022 and is due to remain there until April 2031. [House of Commons Library]
Every UK taxpayer gets this. Every year. Regardless of age, employment status or whether you're working or retired. Income up to £12,570 is tax free.
Income above the personal allowance up to the higher rate threshold of £50,270 is charged at the basic rate of 20%. Income above £50,270 up to £125,140 is taxed at 40%. Income above £125,140 is taxed at 45%. [House of Commons Library]
One important caveat. The personal allowance starts to get withdrawn gradually for earnings above £100,000. Once earnings reach £125,140, the personal allowance is completely withdrawn. [House of Commons Library] For most early retirees this is not relevant — but for anyone with a combination of pension draw-down, rental income and other sources that approaches that level, it creates an effective 60% marginal tax rate between £100,000 and £125,140 that requires careful management.
- ISA withdrawals — completely tax free
Money withdrawn from an ISA - cash or stocks and shares - is entirely tax free. It does not count as income. It does not affect your personal allowance. It does not interact with any other income source for tax purposes. This is the single most important feature of ISAs in retirement and the reason building an ISA bridge before stopping work is so valuable. Every pound drawn from an ISA is a pound that costs you nothing in tax and uses none of your personal allowance.
- Pension draw-down — taxed as income
The 75% of pension draw-down that isn't tax-free cash is taxed as income in the year you receive it. It is added to all your other taxable income and taxed at your marginal rate. This means the amount you draw from your pension in any given year directly affects your tax bill - and how you manage that draw-down is one of the most important tax decisions in retirement.
- State Pension — taxable but usually not taxed
The State Pension counts as taxable income. At its current rate of £12,548 a year it comes close to — but doesn't quite reach — the personal allowance of £12,570. From April 2027, pension funds coming into scope for inheritance tax may change estate planning considerations, but the State Pension itself remains taxable income. [Fidelity International]
The practical implication is that once your State Pension begins, it consumes almost all of your personal allowance. Any pension draw-down on top of it becomes taxable from the first pound. This is why the years between stopping work and State Pension age - for someone retiring at 58 as I have, that's a nine-year window - are so valuable from a tax perspective.
- Personal savings allowance
The Personal Savings Allowance is £1,000 for basic rate taxpayers and £500 for higher rate taxpayers. [LT Accounting] Interest earned on cash savings below these amounts is tax free. For early retirees whose income has dropped - and who may have moved from higher rate to basic rate taxpayer - this doubles from £500 to £1,000. A quiet benefit of lower retirement income.
There is also a starting rate band for savings income. If your non-savings income is below a certain threshold, up to £5,000 of savings interest may be taxed at 0%. For someone in the very early years of retirement with low other income, this can be a meaningful additional saving. It's worth understanding if your pension draw-down is modest.
- Capital gains tax — £3,000 per person
The CGT allowance for 2026/27 is £3,000. [II] Gains from selling investments outside an ISA or pension are tax free up to this amount. For a couple, that's £6,000 of gains before CGT applies - useful if you have investments outside wrappers that you're gradually moving in. CGT rates are 18% for basic rate taxpayers and 24% for higher rate taxpayers on most assets.
Scenario 1: The individual early retiree — before State Pension age
This is the scenario with the most tax planning opportunity - and the one where strategic thinking pays off most clearly.
Imagine someone who has retired at 58. State Pension age is 67. They have a defined contribution pension, a Stocks and Shares ISA, some cash savings and a capital inheritance sitting outside any wrapper.
In the years between 58 and 67, before the State Pension arrives, their personal allowance is completely unused by default. They can earn or receive up to £12,570 a year in taxable income completely free of tax.
If they live primarily on ISA withdrawals during this period - which carry no tax and use no personal allowance - they can supplement those with up to £12,570 of pension draw-down per year at zero tax. That's an effective gross income of well above £12,570 with no income tax liability whatsoever, simply by combining tax-free ISA withdrawals with draw-down that stays within the personal allowance.
There is also the personal savings allowance on top. And the starting rate band for savings interest if other income is low enough. And the annual CGT allowance of £3,000 if they're gradually selling unwrapped investments.
The combined effect, for someone managing their income thoughtfully, is that they can live comfortably on income that generates a very small tax bill - possibly zero - for the entire nine-year period before State Pension age.
What changes when the State Pension arrives
When State Pension income begins at 67, the picture shifts. The State Pension at current rates - £12,548 a year - consumes almost all of the personal allowance. Any pension draw-down on top of that becomes taxable at 20% from the first pound.
This is why it's worth maximising tax-free ISA withdrawals during the pre-State Pension years rather than drawing heavily on the pension. Use the personal allowance efficiently while it's fully available. Preserve the pension for later - or draw it at a rate that sits comfortably within the remaining allowance alongside the State Pension.
The income sequencing principle
The broad sequencing principle for a single early retiree is this.
In the pre-State Pension years, draw from ISAs first. Then use pension drawdown up to the personal allowance. Keep cash savings for near-term security. Avoid large pension withdrawals that push taxable income above the personal allowance unnecessarily.
After State Pension age, the State Pension will consume most of the personal allowance. ISA withdrawals remain entirely free and should continue to be used. Pension draw-down above the remaining allowance will be taxed at 20% - unavoidable at some level, but manageable with attention to the amounts drawn in any given year.
Spreading large pension withdrawals across multiple tax years, rather than taking a large lump sum in one year, consistently produces a lower total tax bill over a retirement lifetime.
Scenario 2: Both partners have retired
When both partners in a couple have retired, the tax picture becomes more favourable - because each person has their own personal allowance, their own ISA allowance and their own CGT allowance. These do not combine or overlap. They stack.
A couple where both have retired can each receive up to £12,570 of taxable income with no income tax liability - a combined £25,140 before tax begins. With ISA withdrawals on top of that, which carry no tax for either person, the amount of income a retired couple can draw tax-efficiently is substantial.
Using both personal allowances
The most common tax planning error for retired couples is drawing all taxable income from one person's pension while the other person's personal allowance sits entirely unused.
If partner A has a large pension and partner B has a modest one - or none - the temptation is to draw everything from partner A's pot. This pushes partner A's taxable income higher while partner B's personal allowance goes to waste.
A more efficient approach - where structurally possible - is to draw from both pensions in a way that uses both personal allowances. If partner B has a pension they can access, drawing up to £12,570 from it uses their personal allowance tax-free. The combined household tax position is significantly better.
This requires both partners to have accessible pension pots, which isn't always the case. But where it is, it's one of the simplest tax efficiencies available to a retired couple.
ISA allowances double
Each partner has their own £20,000 annual ISA allowance - £40,000 between them. Each partner's ISA withdrawals are independently tax free. A couple with healthy ISA pots on both sides has a powerful tax-free income source that requires no planning beyond drawing from it.
If one partner has a much larger ISA than the other - perhaps because they worked longer or contributed more over their career - it's worth considering whether investment assets can be transferred between partners to equalise the ISA pots over time. Transfers between spouses are generally free of CGT, and the transferred assets can then be sheltered within the receiving partner's ISA allowance in subsequent years.
Capital gains tax
Spouses and civil partners living together can combine their £3,000 allowance to create a £6,000 buffer for jointly held assets. [St. James’s Place] And transfers between spouses are treated as no gain no loss - meaning there's no immediate CGT on transfers, which can create useful planning opportunities around when and by whom gains are realised.
The State Pension and both partners
When both partners are drawing the full State Pension - at current rates approximately £12,548 each - both personal allowances are effectively consumed. The household is then drawing around £25,000 in taxable income before any pension draw-down begins. This is why ISA pots are particularly valuable at this stage - they remain the only income source that doesn't interact with the personal allowance position.
Scenario 3: One partner retired, one still working
This is the most complex of the three scenarios - and the most common among people approaching early retirement in their fifties. It's also the one that most directly reflects my own situation.
When one partner retires and the other continues to work, the household has a mixed tax position. The working partner is almost certainly using most or all of their personal allowance through their salary. The retired partner has a personal allowance that may be partially or wholly unused - depending on what retirement income they're drawing.
This creates both complications and opportunities.
The unused personal allowance opportunity
The retired partner's personal allowance is potentially available for pension draw-down that the working partner's income can't accommodate. If the retired partner draws pension income up to - but not exceeding - £12,570, they pay no income tax on it. This is income the household receives tax free that wouldn't be available if both partners were earning salaries.
For households where the working partner's salary is sufficient to cover shared costs, this means the retired partner's pension draw-down can be accumulated - reinvested into an ISA, used to build the cash layer, or simply held - without generating a tax bill.
The marriage allowance
Married couples and civil partners may be entitled to claim the marriage allowance. Individuals whose income is insufficient to make full use of their personal allowance can transfer this unused fraction to their spouse or civil partner, up to a set amount. For 2026/27 the maximum that can be transferred is £1,260. [House of Commons Library]
The saving is calculated as £1,260 × 20% = £252. The lower earner must normally have an income below their personal allowance of £12,570. The other partner must be a basic rate taxpayer - not a higher rate taxpayer earning above £50,270. [Pocketwise]
The marriage allowance applies where the retired partner's income is below the personal allowance and the working partner pays basic rate tax. It saves £252 a year - modest individually, but worth claiming and it accumulates over time.
If the working partner is a higher rate taxpayer - earning above £50,270 - the marriage allowance does not apply. The condition requires the receiving partner to be a basic rate taxpayer only.
The ISA strategy in a mixed household
In a household where one partner is still working and generating their own income, the retired partner's ISA withdrawals continue to be entirely tax free and don't interact with the household income position. This makes the retired partner's ISA particularly valuable - it provides income with no tax consequence in a household that already has a working income.
Equally, the working partner should continue to maximise their own ISA contributions if they can afford to. Their £20,000 annual allowance is available regardless of the retired partner's position. Over several years of continued work, this builds a meaningful tax-free pot that the whole household will benefit from in retirement.
Pension contributions for the non-working partner
A point worth knowing - and one that's covered in the video series but worth repeating here. Even if the retired partner has no earnings at all, they can still contribute up to £3,600 gross per year into a pension - that's £2,880 from them plus £720 in government tax relief added automatically.
This keeps a small pension pot ticking along during the retirement years and maintains eligibility for pension tax relief. It's modest but it compounds over time and costs less than the gross amount suggests.
Avoiding the higher rate trap
In a household where one partner is working and drawing a salary of, say, £40,000 - and the retired partner is also drawing pension income or has rental income - the combined picture matters. If the working partner's taxable income approaches the higher rate threshold of £50,270, they need to ensure that any additional income sources - pension draw-down, rental income - don't push them above it.
Each person's income is assessed individually for income tax purposes. But awareness of where each person stands relative to the thresholds is important when planning the retired partner's drawdown strategy.
Income that is not taxable — a summary
For clarity, here is a concise list of the income types most relevant to early retirees that carry no income tax liability.
- ISA withdrawals — completely tax free, no limit.
- The 25% tax-free cash from a pension — one-time, subject to the lifetime Lump Sum Allowance of £268,275, not income for tax purposes.
- Premium bond prizes — entirely tax free regardless of amount.
- Interest within ISAs — sheltered from income tax and CGT.
- Gains within ISAs and pensions — sheltered from CGT.
- Gifts received — not income for the recipient, subject to different IHT rules for the giver.
The inheritance tax dimension — April 2027 change
One final point that is genuinely significant and not yet widely understood.
From April 2027, unspent pension funds will generally become part of your estate for inheritance tax purposes. Until now, pensions sat entirely outside your estate - one of their most attractive features for wealth transfer. That advantage is being removed.
This doesn't change the tax treatment of pension withdrawals during your lifetime - the rules above still apply. But it changes the calculus around leaving pensions untouched and passing them on, and it may affect the optimal sequence of which assets to draw from first.
For anyone with a significant pension pot and estate planning considerations, this change is worth discussing with an independent financial adviser before April 2027.
Key 2026/27 figures at a glance
For quick reference — all confirmed figures for the current tax year (2026/27).
- Personal allowance: £12,570 - frozen until at least 2031.
- Basic rate: 20% on income £12,571 to £50,270.
- Higher rate: 40% on income £50,271 to £125,140.
- Additional rate: 45% on income above £125,140.
- Marriage allowance: £1,260 transfer — saves up to £252 per year.
- ISA allowance: £20,000 per person per year.
- CGT annual exempt amount: £3,000 per person.
- Personal savings allowance: £1,000 basic rate / £500 higher rate.
- Pension annual allowance: £60,000.
- MPAA after taxable drawdown: £10,000 — permanent once triggered.
- Tax-free cash lifetime cap: £268,275.
- State Pension 2026/27: £12,548 per year.
A note on self-assessment
Once you stop being employed and start drawing retirement income - particularly pension draw-down and savings interest - you will almost certainly need to register for self-assessment and file a tax return annually. HMRC does not automatically know about pension draw-down from a personal or workplace pension.
Register online at gov.uk as soon as you begin drawing taxable retirement income. Filing a tax return is also the mechanism for claiming overpaid tax from the emergency tax code on first pension withdrawals, and for claiming the marriage allowance if applicable.
It's less daunting than it sounds. For most early retirees the return is straightforward. But register promptly - the deadline for registration in any tax year is 5 October following the end of that tax year.
Where to get help
For independent, non-commercial guidance on tax in retirement, the MoneyHelper guide to tax and pensions is the best free starting point.
For self-assessment registration and guidance.
For marriage allowance claims - you can apply online in minutes.
For complex income sequencing decisions - particularly around the interaction between pension draw-down, State Pension timing and ISA strategy over a multi-year period - regulated independent financial advice is genuinely worth the cost. The difference between an optimised draw-down strategy and an unplanned one can easily amount to tens of thousands of pounds over a retirement lifetime.
Tony writes about his personal journey to early retirement at freebefore65.co.uk. He is not a financial adviser. All content reflects his own experience and research and should be taken as a starting point for your own thinking, not as professional advice. Tax rules change - always verify current rates and thresholds at gov.uk before making decisions.
Add comment
Comments