Annuities beat drawdown when: (1) you need a guaranteed income floor for essential spending, (2) you have above-average longevity expectations, (3) annuity rates are historically attractive (now), (4) you struggle with market volatility psychologically and would sell at market lows, (5) you don't have inheritance objectives for the pension capital. Drawdown wins when: flexibility matters, you want to leave a legacy, you have substantial buffer assets, or you have below-average longevity. The most common right answer for UK retirees: annuitise enough to cover essential spending; drawdown the rest.
The fundamental trade-off
| Annuity | Drawdown | |
|---|---|---|
| Income certainty | Guaranteed for life | Depends on investment performance |
| Longevity risk | Insurance company bears it | You bear it |
| Market risk | None (insurance company bears it) | You bear it |
| Flexibility | None — income is fixed | High — vary withdrawals |
| Capital access | None — capital gone to insurer | Full access to remaining pot |
| Inheritance | Nothing left (single life) or partial (joint) | Whatever remains in pot |
| IHT exposure (post-2027) | Annuity payments cease at death — outside estate | Pension pot becomes IHT-able from April 2027 |
| Effective rate (2026) | ~5.5-6.5% on age 65 single life | ~3-5% sustainable withdrawal (4% rule) |
When annuity wins — scenario 1: You'll likely live a long time
The biggest reason to annuitise is to "win the longevity lottery." Annuities are insurance against living longer than average. Premium: you give up the option to leave capital.
Worked example — 65-year-old, healthy, female, family longevity history of 90+:
- Life expectancy: ~92 (27 years remaining at age 65).
- £100k annuity at ~£6,800/year level: cumulative payout to age 92 = £183,600.
- £100k in drawdown at 4% rule with 6% growth: capital depleted by age 90 (typical sequence of returns scenarios).
The annuity wins on cumulative cash for this retiree, AND removes the risk of running out of money. For people with above-average longevity expectations, annuitising is genuinely the rational financial choice — even though it feels like "losing" capital.
When annuity wins — scenario 2: You need a spending floor
Most UK retirees have:
- State Pension: ~£12,547.60/year (full new state pension, 2026/27).
- Some private pension (DC or DB).
- Some savings/ISAs.
The risk: if essential spending (food, heating, council tax, basic life) is £18-22k/year, the State Pension leaves a £6-10k gap. If that gap is covered by drawdown only, a bad sequence of market returns could squeeze it.
The annuity solution: annuitise just enough to cover the gap. If you need £8k/year of guaranteed income, that's roughly £120k of pension capital at current rates. The remaining £200-400k of pension goes into drawdown for growth, flexibility, and inheritance.
This is the most common right answer for UK retirees. It gives:
- Income certainty for essentials.
- Flexibility for discretionary spending.
- Inheritance optionality.
- Protection against catastrophic market outcomes.
When annuity wins — scenario 3: You'd sell at market lows
Behavioural finance research is clear: most retail investors sell in bad markets and miss the recovery. A retiree fully in drawdown who experiences a 30-40% market decline will likely:
- Reduce withdrawals to "protect" capital.
- Sell equity at the bottom and shift to cash.
- Miss the subsequent recovery.
For retirees who recognise they don't have the temperament for drawdown's volatility, annuitising the core income removes the behavioural risk. Even if drawdown has higher expected returns on paper, the realised return after behavioural errors is often lower.
When annuity wins — scenario 4: The 2027 IHT-on-pensions reform
From April 2027, unused defined-contribution pension pots will be added to the IHT estate. For estates with significant pension wealth, the combined tax (IHT 40% + income tax 40% on the residual) can reach 67% of the pension at death.
Annuities solve this. Once you've bought an annuity, the capital is gone — there's nothing to inherit, but nothing to be taxed in the estate either. For estates already at or above IHT thresholds, this is a significant advantage.
The IHT reform is making annuities relatively more attractive vs drawdown for the first time in years.
When drawdown wins — scenario 1: Inheritance objectives
If leaving capital to children/grandchildren matters, drawdown wins outright. Whatever remains in the pension pot at death passes to beneficiaries. An annuity provides nothing for heirs (except via a joint life arrangement for a spouse).
For retirees with sufficient other income (state pension + DB pension covering essentials), drawdown lets the pension pot grow as a legacy asset.
When drawdown wins — scenario 2: Below-average longevity
Smokers, diabetics, those with serious health conditions, or those with family longevity below 75 should be cautious about annuitising at standard rates. Two options:
- Enhanced annuity: better rate reflects shorter life expectancy. See the annuity types comparison.
- Drawdown: if you don't expect a long retirement, drawdown preserves capital for shorter-term spending + inheritance.
When drawdown wins — scenario 3: Sufficient buffer assets
For retirees with £1m+ pension pots, the 4% rule provides £40k+/year of income — well above essential spending needs. The capital cushion is large enough that bad sequence-of-returns scenarios are survivable.
For these retirees, drawdown's flexibility (vary withdrawals year to year), tax planning options (manage withdrawal timing for tax-band optimization), and IHT planning (gift from pension lump sums) usually outweigh annuity certainty.
The hybrid approach — most common right answer
For a typical UK retiree with £300-500k pension pot:
- Step 1: calculate essential spending need (e.g. £20k/year for housing + food + utilities + council tax + basic life).
- Step 2: deduct State Pension (£12k/year for full record). Gap: £8k/year.
- Step 3: annuitise enough pension to cover the gap. At current rates, ~£120k of pension capital provides £8k/year level annuity (or ~£165k for RPI-linked).
- Step 4: use the 25% tax-free lump sum from the OTHER pension capital (max £268,275 LSA).
- Step 5: remaining pension goes into drawdown for discretionary spending + growth + inheritance optionality.
This approach is rarely the absolute optimum for any single retiree — but it's a robust, sensible default that handles most retirement risks reasonably.
Sources and methodology
Annuity rates as of May 2026 based on Money Helper UK published averages. Behavioural finance research draws on DALBAR QAIB studies. State Pension figures from HMRC published 2026/27 rates. The methodology page documents sources. Annuity decisions require regulated investment advice — speak to an FCA-authorised IFA.
Related guides
How UK Tax Drag holds itself to account
Every page is reviewed against the editorial standards, written from primary sources, sourced openly, and corrected publicly. No affiliate revenue. No sponsored content. No paid placements.