Building an emergency fund: how much is enough?

When it comes to financial planning, much of the focus is often placed on long-term goals such as investing, retirement and building wealth. While these are all important, there is another cornerstone of a strong financial plan that is sometimes overlooked: cash savings.

Having cash set aside can provide a valuable safety net when life doesn’t go as expected. Whether it’s an unexpected bill, a period of reduced income or a major home repair, accessible savings can help you manage financial shocks without disrupting your wider plans.

An emergency fund is often the foundation of that financial resilience. But how much is enough, and what role should cash savings play within a broader financial strategy?

What counts as an emergency?

An emergency fund is designed for genuine unforeseen expenses rather than planned spending.

This could include:

• Essential home repairs
• Unexpected car expenses
• Emergency travel costs
• A sudden reduction in income
• Unforeseen medical or family-related costs

The purpose of an emergency fund is not to cover holidays, gifts or discretionary purchases. Instead, it exists to help protect your finances when circumstances change unexpectedly.

Having cash available for these situations can reduce financial stress and provide greater flexibility when dealing with life’s challenges.

Why cash still plays an important role in financial planning

Cash may not offer the same long-term growth potential as investments, but it serves a different purpose.

While investments are typically used to support longer-term objectives, cash provides security, stability and easy access when you need it most. Having money available at short notice can offer reassurance and help you deal with unexpected expenses without relying on borrowing or selling investments at an inconvenient time.

For many people, cash savings act as a financial buffer between everyday life and their long-term investment goals.

While cash has an important role to play in a balanced financial plan, it’s also worth ensuring your savings are working as hard as they can.

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You can also spread your savings across multiple banks, helping you maximise available Financial Services Compensation Scheme (FSCS) protection while keeping your savings in one place.

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How much should you aim to keep in cash?

There is no universal answer, as the right amount will depend on your individual circumstances.

A commonly used starting point is between three and six months’ essential expenditure. This can provide a helpful cushion if your income is disrupted or a significant unexpected expense arises.

However, some people may wish to hold more or less depending on factors such as:

• Job security
• Family commitments
• Monthly outgoings
• Existing savings and investments
• Whether they have access to other sources of financial support

The key is ensuring that the amount held in cash reflects your own circumstances rather than aiming for a one-size-fits-all target.

Where could you hold your emergency savings?

The primary purpose of an emergency fund is accessibility. This means it’s often sensible to hold it in a cash-based savings vehicle where the money can be accessed relatively easily if required.

Options may include:

• Savings accounts
• Easy-access cash savings products
• Cash ISAs

When choosing where to keep your emergency fund, it can be helpful to think about balancing accessibility with the interest available.

Some people also find it useful to keep emergency savings separate from their current account to reduce the temptation to spend money intended for unexpected events.

Cash savings and short-term goals

Emergency funds are only one reason for holding cash.

Many people also keep cash savings aside for planned expenses and shorter-term goals. This might include funding home improvements, saving towards a future house move, covering education costs, or preparing for other significant purchases in the years ahead. Having money set aside for these objectives can provide greater certainty and flexibility when the time comes to use it.

As these goals are often linked to shorter timeframes, cash can be a suitable option. Unlike investments, the value of cash savings does not fluctuate with market movements, helping to ensure that the money you have earmarked for a specific purpose is available when you need it.

Balancing cash and investing

While cash is important, it is also worth considering how much of your overall wealth is held in cash over the long term.

Cash offers security and flexibility, but over longer periods inflation can reduce the purchasing power of money held in savings. This means that while cash may be appropriate for emergency funds and short-term goals, relying on it alone may make it harder to grow wealth and keep pace with rising living costs.

For many people, cash savings and investments work alongside one another:

• Cash provides accessibility and financial resilience
• Investments offer the potential for long-term growth
• Together, they can support a range of financial goals

Rather than choosing between cash and investing, it is often about finding the right balance for your circumstances.

Building your emergency fund over time

Building an emergency fund does not need to happen overnight. Many people start by setting a modest savings goal and contributing regularly.

Small, consistent contributions can build up over time and help create a valuable financial buffer.

It can also be worthwhile reviewing your cash savings periodically, particularly following major life events or changes in income, expenditure or family circumstances.

As your situation evolves, the amount of cash you wish to hold may change too.

Bringing it all together

Cash savings remain an important part of a well-rounded financial plan. They provide security, flexibility and peace of mind when unexpected events arise, while helping you stay focused on your longer-term goals.

An emergency fund can form the foundation of that resilience, giving you confidence that you have money available when you need it most. The right amount will depend on your circumstances, but building and maintaining a suitable cash reserve can be an important step towards greater financial wellbeing.

Long-term financial success is often about balance. By combining accessible cash savings with a clear long-term plan, you can build a stronger foundation for whatever the future may bring.

With investing, your capital is at risk. Investments can fluctuate in value and you may get back less than you invest. This material is not a personal recommendation or financial advice and the investments referred to may not be suitable for all investors.

ISA eligibility and tax rules apply.

True Potential Cash Savings is a non-advised service available to UK residents aged 18 and over. Personal savings only.

FSCS protection applies per bank, up to £120,000 per eligible person, per banking licence, and covers your total holdings with that bank across all accounts. If you already hold savings with the same bank or group, this could reduce the amount protected. Certain situations, such as joint accounts or temporary high balances, may change your level of cover. Check fscs.org.uk for the details relevant to your circumstances.

Bondsmith is a trading name of Bondsmith Savings Ltd (registered in England & Wales No. 13223331), which provides the Cash Savings service distributed by True Potential. Bondsmith Savings Ltd is authorised and regulated by the Financial Conduct Authority (FRN 1021751 and 955601).

True Potential Wealth Management is authorised and regulated by the Financial Conduct Authority. FRN 529810. Registered in England and Wales as a Limited Liability Partnership No. OC356611.

True Potential Investments LLP is authorised and regulated by the Financial Conduct Authority. FRN 527444. Registered in England and Wales as a Limited Liability Partnership No. OC356027.

True Potential LLP is registered in England and Wales as a Limited Liability Partnership No. OC380771.