How to build an emergency fund with vaults and round-ups

Sooner or later, something breaks. The boiler, the car, a tooth, a contract that is not renewed. None of these are unusual, and most of them cost somewhere between a few hundred and a few thousand euros. What decides whether they become a crisis is rarely the size of the bill. It is whether there is money set aside to pay it.

That money is an emergency fund. It is the least exciting thing you will ever save for, and the one most likely to make the biggest difference to your year. Here is how to build one, step by step, without having to think about it every month.

How much is enough

The usual guidance is three to six months of essential spending. Essential means what you would still have to pay if everything else stopped: rent or mortgage, bills, groceries, transport, insurance and minimum debt repayments. It does not mean your whole current spending, which is why the number is usually smaller than people fear.

If your essentials come to €1,800 a month, three months is €5,400. Lean towards six months if you are self-employed, if your income varies from month to month, or if one income supports a whole household. Three is a sensible target if your job is stable and you have someone to share costs with.

If you are not sure what your essentials are, ask Pocket AI "what did I spend on bills, rent and groceries over the last three months?" and divide by three. It is a better starting point than a guess.

Building it, step by step

A target of €5,400 can feel out of reach. It becomes manageable when you break it down and let the app do most of the work.

1. Set a first milestone. Aim for €1,000 before you think about the full amount. It covers most of the small emergencies and proves to you that the habit works.

2. Open a vault just for this. In the Pocket app, create a vault, name it something clear like "Emergency fund", and set your full target. Keeping it separate from holiday savings means you will not raid it for flights.

3. Pay into it on payday, not at the end of the month. Set a scheduled transfer for the day after your salary arrives. Money that moves before you see it is money you do not miss. Even €150 a month reaches €1,000 in under seven months.

4. Turn on round-ups. Every card payment is rounded up to the nearest euro and the spare change goes into the vault. A €3.40 coffee sends €0.60. Most people round up €20 to €30 a month without noticing, and you can double or triple the amount if you want it to grow faster.

5. Send windfalls straight in. A tax refund, a birthday gift, the money from selling an old bike. Moving half of anything unexpected into the vault speeds things up a lot.

6. Let the interest compound. The vault earns 3.1% AER, paid monthly. On a balance of €5,400, that is about €167 a year, which is not life-changing, but it is money for doing nothing.

7. Check in once a quarter. Look at your essentials again. If rent has gone up, raise your target. If you have reached it, decide whether to keep going or redirect the scheduled transfer to something else.

The best emergency fund is the one that grows while you are busy with other things. Automate it once, then forget about it until you need it.

Where to keep it

An emergency fund has two jobs that pull in different directions. It needs to be available the moment you need it, and it needs to be just out of reach the rest of the time.

A vault does both. Money in a vault is not linked to your card, so it cannot be spent by accident at a till. But you can move it back to your main balance in seconds, at any time of day, with no notice period and no penalty. That matters when the boiler breaks on a Sunday evening.

Your vault balance is held with the rest of your money at Pocket and protected in the same way. Our savings page explains how interest is calculated and how your money is safeguarded.

Avoid keeping your emergency fund in investments. Shares can fall 20% in the same month you lose your job, and you do not want to sell at the bottom to pay the rent.

When you use it

Using the fund is the point of having it, so do not feel guilty about it. A few rules make it easier:

• Decide in advance what counts. Unexpected, necessary and urgent: all three. A cracked phone screen might be. A new phone because the old one is slow is not.

• Move only what you need. Transfer the exact amount of the bill rather than a round number.

• Refill it before anything else. Once the emergency is over, pause other savings goals and put the scheduled transfer back to work on the emergency vault first.

Most people who start an emergency fund with round-ups and a payday transfer reach their first €1,000 within six months. It is a small number. It is also the one that most often turns a bad week into an ordinary one.