Annuities and How They Work in the UK

Reviewed by Neil AinsworthLast updated: February 16, 2026 2:36 pm

Image credit: Arturo Añez. @Pexels

What is an Annuity?

An annuity is a long-term insurance product that converts a lump sum into a guaranteed series of payments.

It is commonly used to provide a secure income in retirement. In the UK, annuities are issued by authorised insurers and are typically purchased with a single lump sum, either from pension savings or from non-pension money. The appeal lies in predictable income. By turning part of your savings into a guaranteed stream, annuities can help manage retirement-income uncertainty. Payments can start straight away (often within a month) or from a future date, depending on the product you choose.

Rather than paying a fixed “interest rate”, UK annuities provide a level of income determined by factors such as your age, health, options selected (for example, inflation-linking or a spouse’s pension), and long-term gilt yields. Rates move frequently, so it is wise to obtain up-to-date personalised quotes and compare providers.

Tax treatment depends on the source of funds. If you buy an annuity using pension savings, you can usually take up to 25%¹ of the pot as tax-free cash first (subject to your available lump sum allowance – £268,275 for most people in 2026). The annuity income that follows is taxed under PAYE at your marginal rate. If you buy a purchased life annuity with non-pension money, part of each payment is treated as a return of your capital, and only the interest element is taxable as savings income. Tax rules can change and depend on your circumstances.

It is sensible to assess your long-term needs and consider regulated financial advice. An FCA-authorised adviser can help you compare options and decide whether an annuity is suitable for your situation.

Annuity guarantees depend on the insurer. Check the provider’s financial strength ratings and terms. In the UK, long-term insurance, such as annuities, is covered by the Financial Services Compensation Scheme² (FSCS) at 100% of the claim, with no upper limit, if an authorised insurer fails.

Types of Annuities

Understanding the different types of annuities is essential for anyone considering this option in the UK. Here are the most common categories:

• Lifetime (immediate) annuities: These start paying out shortly after purchase and can be set up on a single-life or joint-life basis. They are suitable if you need secure income as soon as employment income stops.
• Deferred start annuities: Purchased now with income beginning at a chosen future date. Useful if you want to lock in future income or bridge between retirement dates.
• Fixed-term annuities: Provide guaranteed income for a set number of years and may include a guaranteed maturity value at the end. They offer flexibility if you do not wish to commit to lifetime income straight away.
• Investment-linked annuities (unit-linked or with-profits): Payments vary with underlying fund performance, so income can rise or fall. They carry investment risk in exchange for growth potential.
• Inflation-linked annuities: Offer payments that increase each year, either by a fixed percentage (for example, 3% a year) or in line with an inflation index such as CPI or RPI, helping to preserve purchasing power.

Each type of annuity serves distinct financial needs and risk tolerances. Lifetime and fixed-term annuities provide certainty, while investment-linked and inflation-linked options introduce variability or a lower initial income in exchange for potential protection against rising prices.

Health and lifestyle can significantly affect the income offered. If you smoke or have medical conditions, you may qualify for an enhanced (impaired-life) annuity that pays a higher income. Always disclose your circumstances fully and consider advice to ensure the choice aligns with your long-term plans and current regulations.

Advantages of Investing in Annuities

Annuities come with several benefits that might make them an attractive option for your financial portfolio:

• Income stability: Annuities provide a predictable income, which can be crucial for budgeting, especially during retirement. The assurance of receiving a consistent payout helps in managing household expenses and financial planning.
• Tax treatment and potential tax-free cash: If bought with pension funds, you can usually take up to 25% of the pot as tax-free cash first (subject to your available lump sum allowance – £268,275 for most people in 2026). Ongoing annuity income is taxed as income. For non-pension purchased life annuities, only the interest element of each payment is taxable, as savings income. Tax depends on your circumstances and may change.
• Protection against longevity risk: Annuities can be structured to pay out for life, providing a safety net against outliving your savings as people live longer.

In addition to these core benefits, annuities also offer options to help with rising prices. Depending on the product, you can choose payments that increase each year by a fixed percentage or in line with an inflation measure such as CPI or RPI.

• Flexibility in payment: Some annuities allow you to index payments to inflation or set a fixed annual increase, which helps maintain purchasing power if living costs rise.

Annuities can also play a role in your family’s planning. By choosing specific contract options, you can provide for dependents after your death.

• Estate planning benefits: Options such as joint-life cover, guaranteed periods and value protection can provide payments to a spouse/partner or beneficiaries after you die. For pension annuities, the tax on death benefits³ usually depends on your age at death (normally tax-free if you die before 75; taxable at the beneficiary’s marginal rate if you die at 75 or over) and how benefits are paid. Rules can change.

Given these benefits, annuities can be a valuable part of a retirement strategy. When selecting an annuity, consider consulting an FCA-authorised financial adviser to ensure the product fits your personal needs and goals.

Considerations Before Purchasing an Annuity

While annuities can be beneficial, they are not suitable for everyone. Here are some factors to consider:

• Fees and charges: For lifetime annuities, there are usually no explicit annual fees; the provider’s costs are built into the income you are quoted. Investment-linked and fixed-term annuities may have product and fund charges. Many annuities have no cash-in value; where an early value exists, a market value adjustment may apply.
• Liquidity: Annuities are generally illiquid. Taking money out early is rarely possible and, if allowed, may result in penalties or reduced values. Make sure you retain sufficient accessible cash or investments for emergencies.
• Inflation risk: Level (fixed) annuities may not keep pace with inflation, which can erode purchasing power over time. Consider inflation-linked or escalating options if appropriate.

Additional considerations include:

• Rate environment: Annuity rates are influenced by long-term gilt yields and your age, health and selected options. Rates can move daily. Consider whether to secure income now or phase purchases over time.
• Financial health of the insurer: Review the insurer’s strength ratings and track record. In the UK, annuities issued by authorised insurers are protected by the FSCS at 100% of the claim with no upper limit if the firm fails.

How to Choose the Right Annuity

Selecting the right annuity depends on your goals, age and risk tolerance. Consider the following steps:

1. Assess your essential and discretionary spending needs and the level of guaranteed income required over the long term.
2. Understand the different types of annuities and how they align with your objectives (for example, inflation protection, spouse’s benefits, guaranteed periods).
3. Compare offers from several insurers using your Open Market Option. Disclose health and lifestyle details to see if you qualify for an enhanced annuity. Check how options (inflation-linking, joint-life, guarantee periods and value protection) affect income, and note that quotes are time-limited.
4. Consider advice from an FCA-authorised financial adviser. An adviser can analyse how annuities fit within your wider retirement plan and explain charges and trade-offs.

It is also worth reviewing flexibility features such as adding beneficiaries, choosing guarantee periods or value protection, and selecting escalation options. These can materially affect suitability and income.

A Financial Adviser Can Help

Choosing an annuity is a significant decision that impacts your financial future. A financial adviser can provide personalised guidance based on your circumstances, explain the different types of annuities and their trade-offs, and help you decide whether an annuity is appropriate as part of your retirement plan.

FinancialAdvisers.co.uk can help you find an FCA-authorised financial adviser in your area. If you decide to proceed, the adviser will explain their fees and the service they provide so you can make an informed choice.

This article contains external links for further information on topics. Whilst all attempts are made to verify the trustworthiness of these external sources, we accept no responsibilty for the upkeep or security of these external websites. Some of these links in particular are annotated below:

• ¹ https://www.gov.uk/tax-on-pension/tax-free
• ² https://www.fscs.org.uk/
• ³ https://www.moneyhelper.org.uk/en/family-and-care/death-and-bereavement/a-guide-to-inheritance-tax