The importance of building an emergency fund

An emergency fund, sometimes called a rainy day fund, is money set aside to cover unexpected expenses. It’s designed to provide a financial buffer and reduce reliance on borrowing in unforeseen situations. 

This guide explains what an emergency fund is, how much you might need to save, where it can be held, and ways to build it over time. It also outlines savings options and considerations that can help manage financial risks and plan for future needs. 

What is an emergency fund? 

An emergency fund is money set aside as a financial safety net for unexpected expenses, like car repairs, urgent home maintenance, medical bills or even loss of income. 

Think of it as your rainy-day fund: a way to stay prepared, avoid debt and maintain financial security when life throws surprises your way. 

Why do you need an emergency fund? 

Your emergency savings act as a financial safety net when life throws unexpected challenges your way. It can cover things like a broken boiler, urgent car repairs or a sudden loss of income, helping you manage these situations without stress. 

Having a fund in place means you’re less likely to rely on credit cards or loans, giving you greater financial stability and peace of mind.  

How much should you have in your emergency fund? 

The right amount for an emergency fund depends entirely on your personal situation. Your income stability, monthly expenses and family responsibilities all play a part. However, a common savings goal is to have a minimum of three months’ worth of essential living costs in your account. 

If you want a clear number to aim for, here’s a simple way to calculate it: 

1. Calculate your total monthly outgoings, including rent or mortgage payments and any essential bills.

2. Multiply that figure by three or more, depending on how extensive a safety net you plan to fall back on. For example, if your essential monthly outgoings are £2,000, you would aim for £6,000 to cover three months or £12,000 to cover six months.

3. If those numbers feel overwhelming right now, don't worry. The most important step is simply getting started. Even setting aside a modest amount each month can grow into a robust safety net over time.

Where should you keep your emergency fund? 

Your emergency fund should be kept in a safe, easily accessible account, separate from your everyday spending money. This ensures it’s there when you truly need it, without the temptation to dip in for non-urgent expenses. 

Popular options include easy access savings accounts with reputable, regulated providers. These accounts allow your money to be available instantly while still earning a little interest, helping your emergency fund grow over time without compromising accessibility. 

When should you use your emergency fund? 

Your emergency fund should be reserved for genuine, unexpected and urgent bills and costs that you couldn’t reasonably plan for, like a broken boiler, essential car repairs or a sudden loss of income. 

For smaller or less urgent expenses, review your budget first to see if they can be covered without dipping into the fund. Remember, every time you use your emergency fund, it will need to be rebuilt, so it’s best to use it sparingly and only for true emergencies. 

Tips for building your emergency fund 

Building a financial safety net is a process that takes time, but having a clear strategy can make the task feel much more manageable. Here are some practical savings tips to help get started: 

1. Set a realistic savings goal

A useful target for many people is saving enough to cover three to six months of essential outgoings. This figure is not intended to replace an entire income, but rather to cover the absolute necessities, such as rent or mortgage payments, utility bills, and food expenses, should income be affected unexpectedly. Calculating exactly what these costs come to each month provides a clear, specific target to aim for. 

2. Start small

It’s easy to feel discouraged by a large target, but consistency is often more effective than speed. Setting aside a manageable amount, whether weekly or monthly, allows the fund to grow steadily over time without placing undue pressure on the current budget. Even a modest contribution adds up significantly over the course of a year. 

3. Use a separate, easy access account

Keeping emergency savings in a regular current account can make it easy for the money to get mixed in with everyday spending. However, moving it to a separate savings account can help set it apart. You may want to choose an account with easy access, so the money is available quickly if needed, typically without extra fees or delays. 

4. Stay consistent

One of the simplest ways to maintain momentum is to remove the need for manual transfers. Setting up a direct debit to move money into the emergency fund on payday ensures that saving happens automatically before other spending decisions are made. A “set and forget” approach could help build the habit with minimal effort. 

5. Review and adjust your fund

If your rent increases, a new family member arrives, or your income changes, the emergency fund target may need to be adjusted to reflect your outgoings. Checking in on the fund once or twice a year ensures that the safety net remains strong enough to offer genuine protection. 

How could The AA help?

At The AA, we offer savings accounts with easy access, allowing you to withdraw your money whenever you need it. You can open an AA savings account if you:

• Are aged 18 or over
• Are a UK resident with a UK address
• Have UK tax residency only
• Have an open UK personal account that can be used as a nominated account

Interested in learning about what The AA could offer? Find out more about our savings accounts, and explore our finance guides.

FAQs 

What expenses should my emergency fund cover? 

The primary purpose of an emergency fund is to cover essential living expenses if your income is interrupted unexpectedly, or to address urgent, unplanned repairs. When calculating your savings target, consider focusing on the “must-haves” rather than the “nice-to-haves.” This typically includes housing costs (such as rent or mortgage), utility bills, food, council tax and essential transport or debt repayments. The goal is to ensure that your household can continue to run smoothly during a challenging period. 

How quickly can I access my emergency fund? 

If your money is held in an easy-access savings account, you can usually withdraw it immediately or within one working day. However, some accounts require a notice period or might delay transfers to different banks. It’s always worth checking the specific terms of your account to ensure you can access your funds exactly when you need them. 

How often should I add money to my emergency fund? 

There’s no set rule, and it depends on your own financial situation. You might choose to add money once a month, perhaps just after payday, which could help establish a savings habit. Or you could make smaller weekly transfers, or add extra whenever you have spare cash. All of these approaches can work, so it’s about what fits best with your budget. 

Should my emergency fund be easy access or fixed? 

Emergencies are unpredictable, so accessibility is usually the main priority. Fixed-term accounts may offer higher interest but often restrict withdrawals or charge penalties. For an emergency fund, an easy-access account allows you to earn interest while keeping funds readily available when needed.