Learning how to track your expenses is the quickest way to take control of your money. Most people have no idea where a few hundred pounds goes each month, and that is money that could be cutting debt or growing in an ISA. In this guide I explain how to track your expenses in the UK, the easiest methods and what to do with what you find.
Why It Pays to Track Your Expenses
You cannot fix what you cannot see. Small, regular spends like coffees, takeaways and forgotten subscriptions add up fast. £5 a day is over £1,800 a year, which is enough to build a decent emergency fund.
Tracking is not about guilt or cutting out everything you enjoy. It is about making sure your money goes on the things you actually care about, instead of leaking away on things you do not.
3 Easy Ways to Track Your Expenses
Your Banking App
Most UK banks now sort your spending into categories automatically. Apps like Monzo and Starling are especially good at this, with spending summaries, pots and instant notifications. This is the lowest effort option by far. Our guide to digital banks in the UK compares the best ones.
A Budgeting App
If you have accounts with several banks, a budgeting app can pull them all together using open banking. You see every card and account in one place, which makes it much harder for spending to slip through the cracks.
A Simple Spreadsheet
A spreadsheet takes more effort but gives you full control. Many people find that typing in each spend makes them think twice before buying. If you would rather skip the setup, our budget template guide has ready made examples.
How to Track Your Expenses in 5 Steps
Step 1: Look Back Over Three Months
Download your last three months of bank and card statements. One month can be misleading, while three shows your real pattern, including bills that only come round every so often.
Step 2: Sort Everything Into Categories
Keep it simple. Housing, bills, food, transport, debt, savings and fun cover most people. Too many categories and you will give up.
Step 3: Spot the Leaks
Look for subscriptions you forgot about, regular takeaways and bank charges. Most people find at least one quick win in the first hour.
Step 4: Set a Plan for Next Month
Use what you have learned to set a simple budget. Our free budget planner does the maths for you.
Step 5: Check In Once a Week
Five minutes every Sunday is enough. Compare what you planned with what you spent and adjust as you go. The habit matters more than perfection.
An Example Month of Tracked Spending
Here is what a typical month might look like once you track your expenses and sort them into categories. The figures are only an example, based on take home pay of £2,500.
| Category | Spent | Share of pay |
|---|---|---|
| Rent and council tax | £1,050 | 42% |
| Energy, water and broadband | £220 | 9% |
| Food shopping | £350 | 14% |
| Transport | £150 | 6% |
| Eating out and takeaways | £260 | 10% |
| Subscriptions | £70 | 3% |
| Everything else | £250 | 10% |
| Left over | £150 | 6% |
In this example, takeaways and subscriptions cost £330 a month together. Halving them would more than double what is left over, without touching rent or bills. That is exactly the kind of win tracking reveals.
Do You Need to Track Every Penny?
No. Tracking every coffee works for some people, but many give up within weeks. A looser approach is to track closely for one to three months, set a budget, then only check your categories weekly.
Another option is to automate your savings on payday and simply spend what is left. As long as your savings leave first, you do not need to log every small purchase.
Common Expenses People Forget
- Annual bills like car insurance, MOT and TV licence
- Birthdays, Christmas and other gifts
- Free trials that rolled into paid subscriptions
- Small cash spends that never show up in your app
- Repairs and replacements around the home
A good trick is to add up these irregular costs for the year, divide by 12 and put that amount aside every month. Then they stop catching you out.
What to Do Once You Track Your Expenses
Tracking is only the first step. The real win comes from moving the money you free up somewhere useful. Clear any expensive debt first, then build your emergency fund, then start investing.
Once you track your expenses for a few months, it stops feeling like a chore and starts feeling like control. For your next step, see our guide on how much to save each month.
This article is part of our Saving and Budgeting Guide, where you will find every related article in one place.