Fixed Term Annuity Calculator
Calculate your guaranteed retirement income over a fixed period. Work out monthly payments, total income, and guaranteed maturity amounts for terms ranging from 1 to 25 years.
Your Fixed Term Annuity Results
How This Calculator Works
This fixed term annuity calculator helps you plan your retirement income by showing exactly what you’ll receive over a chosen period. Unlike lifetime annuities that pay until death, fixed term products give you guaranteed income for a specific number of years, with flexibility at the end.
What Gets Calculated
When you input your pension pot size and preferences, the calculator determines several crucial figures. First, it accounts for any tax-free lump sum you want to take upfront – most people maximise this at 25% since it’s not subject to income tax. The remaining amount goes into purchasing your annuity.
The calculator then applies current market rates to determine your annual income. These rates vary significantly based on your age and term length. Generally, shorter terms offer higher annual rates because insurers have less uncertainty about investment returns and your longevity over a briefer period.
The Guaranteed Maturity Amount Option
One distinctive feature of fixed term annuities is the GMA. Think of this as a pot of money waiting for you at the end of your chosen term. If you select a GMA, your annual income will be lower during the term, but you’ll receive a lump sum when the annuity ends. This amount grows at a guaranteed rate throughout the term.
The GMA gives you valuable options when your term finishes. You might purchase another fixed term annuity if rates look favourable, buy a lifetime annuity for security, or take the money as cash (subject to tax). Many people use fixed term annuities specifically for this flexibility.
Age and Term Interactions
Your age significantly affects the rates offered. Younger annuitants typically receive lower rates because the insurer expects to pay out for potentially longer. However, with fixed term products, this effect is less pronounced than with lifetime annuities since the term is predetermined.
The calculator adjusts rates based on typical market conditions for different age bands and term lengths. A 65-year-old choosing a 10-year term might see rates around 12-13%, whilst a 5-year term could offer 20-22%. These percentages represent the total return over the term, not annual rates.
Fixed Term vs Lifetime Annuities
| Feature | Fixed Term Annuity | Lifetime Annuity |
|---|---|---|
| Duration | 1-25 years (you choose) | Rest of your life |
| Income Level | Higher annual income possible | Lower but guaranteed for life |
| Flexibility | Options available at term end | No changes once set up |
| Maturity Amount | Optional GMA available | Not applicable |
| Longevity Risk | You bear the risk after term | Insurer bears all longevity risk |
| Best For | Bridging income gaps, flexibility seekers | Lifetime income security |
Choosing between these products depends entirely on your circumstances. Fixed term annuities suit people who want to keep their options open – perhaps you’re waiting for state pension age, or you think annuity rates might improve in future. They also work well if you have other income sources lined up for later life.
Lifetime annuities provide peace of mind if you’re worried about outliving your savings. They’re essentially longevity insurance. If you live to 100, you’ll still receive payments, even if you’ve received far more than your original pension pot was worth.
Common Questions Answered
Getting the Best Rate
Timing Your Purchase
Annuity rates change frequently, responding to government gilt yields and Bank of England base rates. Rates have improved substantially since 2022, with fixed term annuities now offering much better value than they did for the previous decade. However, trying to time the market perfectly is nearly impossible. If you need income soon, focus on getting a competitive rate now rather than waiting for a perfect moment that may never arrive.
Health and Lifestyle Factors
Unlike lifetime annuities, health conditions matter less for fixed term products since the insurer isn’t covering your entire lifespan. However, some providers still offer slightly enhanced rates if you have health issues, reasoning that you’re less likely to reach the term end. If you smoke, have high blood pressure, diabetes, or other conditions, mention these when getting quotes. The improvements won’t be as dramatic as with enhanced lifetime annuities, but every extra pound helps.
Provider Selection
Not all insurers offer fixed term annuities, and those that do have different strengths. Some excel at shorter terms, others at longer durations. Some offer better GMAs, whilst others provide higher immediate income. This is why comparison is crucial. Look at the total income over the term, the GMA size if applicable, and the provider’s financial strength rating. You want confidence that they’ll still be around when your term ends.
Tax Considerations
The Tax-Free Lump Sum
You can typically take up to 25% of your pension pot as a tax-free lump sum before buying your annuity. This money is completely tax-free, regardless of your other income. Once taken, it doesn’t affect your personal allowance or push you into higher tax brackets. Most financial advisers recommend taking this unless you have specific reasons not to.
Annuity Income Taxation
Your regular annuity payments count as income for tax purposes. The provider will deduct tax at source using a PAYE code, just like employment income. If your total income (including state pension, the annuity, and any other sources) stays within the personal allowance (£12,570 for 2024/25), you won’t pay tax. Income above this is taxed at 20% up to £50,270, then 40% up to £125,140.
Many retirees are basic-rate taxpayers, meaning they lose 20% of their annuity income to tax. This is worth considering when calculating how much income you’ll actually receive. Some people deliberately structure their retirement income across multiple years to stay within lower tax bands.
The Guaranteed Maturity Amount
When your term ends and you receive your GMA, this money is treated as pension income, not a tax-free lump sum. If you take it all at once, you could face a significant tax bill, potentially pushing you into higher tax brackets temporarily. Many people reinvest the GMA into another annuity or drawdown arrangement, taking the money gradually over several tax years to minimise the tax impact.
When Fixed Term Annuities Make Sense
Bridging to State Pension Age
One popular use is covering the gap between retiring and receiving your state pension. If you retire at 60 but won’t get state pension until 67, a 7-year fixed term annuity provides guaranteed income to bridge this period. You’ll have certainty about your finances during these years, with options to reassess once state pension starts.
Testing Retirement Income
Some people aren’t ready to commit their entire pension pot to an irreversible decision. A fixed term annuity lets you secure income for a few years whilst you get used to retirement spending patterns. After the term, you’ll have better information about your needs and can make more informed choices about your remaining pension savings.
Deferring Decisions
If you’re uncertain about annuity rates or think they might improve, a short-term fixed annuity generates income now whilst preserving options for later. This is particularly relevant in volatile interest rate environments. Rather than locking in potentially poor lifetime rates, you secure a few years of income and reassess when the term ends.
Combining With Other Income
Fixed term annuities work brilliantly alongside other income sources. Perhaps you have rental income starting in five years when tenants leave, or an inheritance expected around then. A fixed term annuity covers the interim period. Alternatively, you might use one to supplement part-time work income in your 60s, then switch to a lifetime annuity once you fully retire.
When to Avoid Them
If you need absolute certainty that income will continue for life, regardless of how long you live, a lifetime annuity is more appropriate. Fixed term products leave you with decisions at the end of the term. If you don’t want that responsibility or worry you might make poor choices later, the simplicity of a lifetime annuity offers better peace of mind. Similarly, if you have serious health conditions that significantly reduce life expectancy, an enhanced lifetime annuity typically offers better value than a fixed term product.
References
- HM Revenue & Customs. Guaranteed Annuity Calculator: Valuation of Guaranteed Annuity Payments for Estate Purposes. GOV.UK Publishing Service, 2017.
- MoneyHelper. Compare Annuities: Annuity Rates and Options. Money and Pensions Service, 2025. Available at: www.moneyhelper.org.uk/en/pensions-and-retirement/taking-your-pension/compare-annuities
- Financial Conduct Authority. Retirement Income Market Data. FCA Handbook: RMAR Returns, 2025.
- Standard Life. Annuity Rates Tracker: Fixed-Term and Lifetime Annuity Analysis. Standard Life Group, January 2025.
- Pension Protection Fund. The Purple Book: Defined Benefit Pension Scheme Data. PPF Annual Publication, 2024.
- Association of British Insurers. UK Insurance and Long-Term Savings: Key Facts. ABI Annual Statistics, 2024.