Are bonds safe? Understanding bond investment risks in the UK

This guide explains what bonds are, how they work and the specific risks involved. You will learn about government bonds, premium bonds and fixed rate bonds in the UK context. The aim is to help you understand whether bonds might suit your circumstances, not to tell you what to do with your money. Only you can make that decision, ideally with professional advice tailored to your situation.

What are bonds and how do they work?

When you buy a bond, you are essentially lending money to the issuer. That issuer could be a government, a company or another organisation. In return for your loan, they promise to pay you interest at regular intervals and return your original capital at a specified future date, known as the maturity date.

The basic mechanics of bond investing

Think of a bond as an IOU with a schedule. The key components include the face value (the amount you lend), the coupon (the interest rate paid, usually annually or semi-annually) and the maturity date (when your capital is due back).

Here is a simplified example:

If you hold this bond until maturity and the issuer honours its obligations, you receive £40 per year for five years, plus your £1,000 back at the end. That predictability is part of why bonds attract investors seeking stable income.

However, many investors do not hold bonds until maturity. They buy and sell them on secondary markets, where bond prices fluctuate based on interest rates, inflation expectations and perceptions of the issuer’s creditworthiness.

Why bonds are often considered safer than shares

Bonds occupy a different position in the capital structure compared to shares. If a company fails, bondholders have a higher claim on assets than shareholders. This seniority means bondholders are more likely to recover something in a liquidation, though there are no guarantees.

Bonds also provide more predictable cash flows. With shares, dividend payments are discretionary and can be cut at any time. With bonds, the issuer has a contractual obligation to make interest payments. Missing those payments typically constitutes a default, with serious consequences for the issuer.

Government bonds from developed economies like the UK carry even lower default risk because governments can raise taxes or, in some cases, create money to service their debts. This does not eliminate risk entirely, but it does reduce one particular type of concern.

That said, bonds are not risk-free. The word safer is relative, not absolute. Recent bond market performance has demonstrated this clearly, with some bond funds delivering negative returns during periods of rising interest rates.

Key risks of investing in bonds

Understanding the risks helps you set realistic expectations. Bonds can lose value, and you can receive back less than you invested. Here are the main risks to consider.

Interest rate risk

This is perhaps the most important risk for bondholders to understand. When interest rates rise, the prices of existing bonds fall. The relationship works like a seesaw.

Why does this happen? Imagine you hold a bond paying 3% interest. If new bonds suddenly offer 5%, your 3% bond becomes less attractive. To sell it, you would need to accept a lower price that effectively raises its yield for the buyer.

The longer a bond’s remaining maturity, the more sensitive its price is to interest rate changes. A bond maturing in 20 years will experience larger price swings than one maturing in two years.

This is not merely theoretical. Investors in long-dated bond funds experienced notable losses during recent periods when central banks raised interest rates to combat inflation.

Inflation risk

Inflation erodes purchasing power. If you hold a bond paying 4% annually but inflation runs at 6%, your real return is negative. You are losing ground despite receiving interest payments.

Fixed-rate bonds are particularly vulnerable to unexpected inflation. The purchasing power of both your interest payments and your eventual principal repayment diminishes as prices rise.

Some bonds, like UK index-linked gilts, adjust their payments based on inflation. These offer some protection but come with their own complexities and may not perfectly track your personal inflation experience.

Credit risk and default

Credit risk refers to the possibility that the bond issuer fails to make payments or goes bankrupt. This risk varies dramatically depending on who issued the bond.

Credit risk comparison by issuer type:

Higher yields generally compensate investors for taking on greater credit risk. A bond offering significantly higher interest than government bonds is doing so for a reason. Credit rating agencies assess these risks, though their ratings are opinions rather than guarantees.

Liquidity risk

Liquidity refers to how easily you can sell an investment at a fair price. Government bonds from major economies are typically highly liquid. Corporate bonds, especially those from smaller issuers, may be harder to sell quickly without accepting a price discount.

Bond funds can face liquidity challenges if many investors try to withdraw simultaneously. The fund manager may need to sell bonds at unfavourable prices, which can harm remaining investors.

Are government bonds safe?

Government bonds from developed economies like the UK, US and Germany are considered among the lowest-risk investments available. They are not risk-free in absolute terms, but the probability of a developed-economy government defaulting on bonds issued in its own currency is historically very low.

UK gilts explained

Gilts are bonds issued by the UK government. The name comes from the gilt-edged paper historically used for the certificates. When you buy a gilt, you are lending money to the UK government.

Gilts come in several varieties. Conventional gilts pay a fixed coupon and return principal at maturity. Index-linked gilts adjust payments based on the Retail Prices Index, offering some inflation protection.

Are government bonds safe from default? The UK government has an excellent track record of meeting its obligations. However, gilts are not safe from interest rate risk or inflation risk. Investors who purchased long-dated gilts before the recent period of rising rates saw the market value of those holdings decline substantially.

If you hold a gilt until maturity and the government does not default, you will receive the promised payments. If you need to sell before maturity, you may receive more or less than you paid depending on market conditions.

Are Premium Bonds safe?

Premium Bonds are a specific product offered by National Savings and Investments, which is backed by HM Treasury. They differ fundamentally from conventional bonds discussed elsewhere in this article.

With Premium Bonds, you do not receive interest. Instead, your money enters a monthly prize draw. You might win nothing, small amounts or potentially larger prizes. The prize fund rate determines the average return across all bondholders, but your individual return depends on luck.

Are Premium Bonds safe in terms of capital protection? Your original investment is backed by the government and can usually be withdrawn (encashed) at any time, although it may take a few working days to receive the money. In this sense, they carry minimal default risk.

However, they are not protected against inflation. If the prize fund rate falls below inflation, the purchasing power of your holding declines over time.

Premium Bonds suit people who want easy access to their capital, enjoy the possibility of prizes and accept that their expected return may be modest.

Are fixed rate bonds safe?

Fixed rate bonds in the UK savings context typically refer to savings accounts that lock your money away for a set period at a guaranteed interest rate. These are not the same as tradeable bonds discussed earlier.

Are fixed rate bonds safe? Those offered by banks and building societies covered by the Financial Services Compensation Scheme (FSCS) protect up to £120,000 per person per authorised bank/building society (banking licence). This compensation is provided by the FSCS (a statutory scheme), subject to eligibility and limits.

This government-backed protection means your capital is secure within that limit, even if the bank fails.

The main risks with fixed rate savings bonds are:

• Inflation risk: Your fixed rate might not keep pace with rising prices.

• Opportunity cost: If rates rise, you remain locked in at the lower rate.

• Access restrictions: Early withdrawal often incurs penalties.

These products offer capital security within FSCS limits but do not guarantee your purchasing power will be maintained.

Bonds vs stocks: Comparing the risks

Neither bonds nor stocks are inherently better. They serve different purposes and carry different risk profiles.

Risk and return comparison:

Historically, stocks have delivered higher long-term returns than bonds, but with greater volatility along the way. Past performance does not indicate future results, and both asset classes have experienced extended periods of poor returns.

Many investors hold both bonds and stocks, adjusting the proportions based on their circumstances, time horizon and tolerance for volatility.

How to assess whether bonds suit your circumstances

Are bonds a good investment for you? That depends on factors specific to your situation, including your investment timeline, income needs, other assets and how you respond emotionally to market fluctuations.

Consider these questions:

• Time horizon: If you need the money within a few years, bond volatility matters more. If you are investing for decades, you may have time to ride out fluctuations in either bonds or stocks.

• Income requirements: If you need regular, predictable income, bonds typically offer more predictable contractual payments than dividend-paying shares (though payments and capital are not guaranteed).

• Risk tolerance: Can you remain calm if your bond holdings fall 10% or more? Recent years have shown this is possible even with high-quality government bonds.

• Inflation expectations: If you believe inflation will remain elevated, traditional fixed-rate bonds may struggle to preserve purchasing power.

• Diversification: How do bonds fit with your other investments? They often behave differently from stocks, though this relationship is not constant.

This general information cannot substitute for personalised advice. A qualified financial adviser can assess your complete circumstances and recommend suitable strategies.

Key takeaways

Bonds occupy a meaningful place in many investment portfolios, but the question of whether bonds are safe requires nuance.

• Bonds are generally less volatile than shares, but bond values can and do fall.

• Interest rate risk, inflation risk, credit risk and liquidity risk all affect bondholders.

• Government bonds from developed economies carry very low default risk but remain exposed to interest rate and inflation risks.

• Premium Bonds offer government-backed capital security but no guaranteed returns.

• Fixed rate savings bonds within FSCS limits protect your capital but not your purchasing power.

• Whether bonds suit you depends on your circumstances, goals and risk tolerance.

The idea that bonds are completely safe or guaranteed is a misconception. They are a different type of investment with their own risk profile. Understanding those risks puts you in a better position to make informed decisions about your financial future.

This article provides general information only and does not constitute personal financial advice. Bond values can fall as well as rise, and you may receive back less than you invested. Consider seeking independent financial advice before making investment decisions.