How to budget

A budget does not need to track every penny. It needs to show roughly where you stand, so you can make decisions and are not caught out when you check your balance.

Start with what you spend

Take last month's bank and card statements and sort every single line into four buckets: essentials (housing, utilities, food, transport, insurance), debt (every minimum payment), lifestyle (everything you chose but didn't need), and saving (anything that stayed saved). Use the real figures from the statements.

Food and small contactless payments often add up to more than you expect, because forty small payments a month is a large sum. Sort your statement alphabetically to find subscriptions you forgot you were paying for.

MoneyHelper's free budget planner is government-backed and does the sorting for you.

The 50/30/20 rule

The 50/30/20 rule puts 50% of take-home pay on needs, 30% on wants and 20% on saving and debt. It fits households with a manageable rent or mortgage.

If your essentials take two-thirds of your take-home pay, the rule will not fit, and that comes from housing costs and wages. Use it as a direction of travel. Judge a budget on three aims: essentials covered, debt shrinking and something being saved.

A month's statements, sorted

Worked example

Illustrative figures. Take-home pay: £2,400 a month. The statement audit finds:

  • Essentials — £1,810: rent £950, council tax £140, energy £115, water £38, broadband and mobile £62, food £340, transport £120, insurance £45.
  • Debt — £90: credit card minimum payment.
  • Lifestyle — £479: subscriptions £48, takeaways and eating out £185, everything else £246.
  • Saving — £0.

That's £2,379 accounted for, leaving about £21 unexplained. Essentials are 75% of take-home, so 50/30/20 could not fit. Cancelling two unused subscriptions frees £23, and capping takeaways at £90 frees another £95. That's £118 a month, enough to fund a £120 standing order to savings on payday, which passes £500 within five months.

Pay yourself first

On payday, before you spend anything, move your savings and any planned debt overpayments out automatically by standing order, dated for the day you're paid. Whatever is left is what you have to spend.

A standing order makes the decision once, so you do not have to make it every day. A regular £40 that moves itself saves more than £150 you meant to transfer. Our guide to building a savings habit from scratch covers it step by step.

Know your survival number

Your survival budget is the bare minimum you need each month — housing, utilities, food, transport, insurance, minimum debt payments, and nothing else. In the worked example above it's £1,810 of essentials plus the £90 debt minimum: £1,900 a month.

It tells you three things: how big an emergency fund you need (three months of this number — £5,700 in the example — not three months of full spending), what you could cut to in a crisis, and how much room you have in an ordinary month. There's a full guide to it in your survival budget.

3 monthsof your survival number is a solid emergency-fund target

Budget for annual costs

Christmas, car servicing and MOT, insurance renewals, birthdays and back-to-school are predictable costs. List them, divide by twelve, and move that amount into a separate pot every month alongside your savings.

Say the list comes to £400 for Christmas, £320 for servicing and MOT, and £120 of annual renewals — £840 a year, or £70 a month. With £70 a month going into an annual-costs pot, December is paid for by summer and nothing lands on a credit card.

Your first budget in five steps

  1. Print or open last month's statements and sort every line into essentials, debt, lifestyle and saving.
  2. Add essentials to debt minimums — that's your survival number. Write it down somewhere you'll see it.
  3. Find your first £50–£150 in the lifestyle bucket: unused subscriptions, a takeaway cap, one swap you won't miss.
  4. Set two standing orders for payday — one to savings, one to an annual-costs pot.
  5. Put a monthly 20-minute review in your calendar — same date every month, to check the buckets and adjust.

What a budget can't do on its own

If you've been budgeting hard and nothing is changing, the cause is one of three: the numbers are too tight and something structural has to change, the categories aren't realistic, or the goal isn't clear enough to pull your behaviour along with it. Our guide to why budgeting never sticks takes each of these apart.

Give the money a job with a number and a date. The free Financial Freedom Score takes about eight minutes and shows your budget alongside your debts, savings, protection and pension.

If debt is in the picture. MoneyHelper's free debt guidance covers priority debts, dealing with creditors and where to get free expert help. It's impartial and completely free — start there before paying anyone. And read our guide to clearing debt.

Common questions

Is the 50/30/20 rule realistic in the UK?

For many people, no. The 50/30/20 split (50% needs, 30% wants, 20% savings and debt repayment) was built around a lower-rent market than most of the UK now has, and it does not map cleanly onto renters or single-income households, where essentials at 60–70% of take-home pay are common once rent, council tax and energy are counted. Treating 50% as a target you have failed to hit just adds guilt on top of a budget that is already tight. Use the split as a rough shape, not a verdict: write down what your essentials actually cost this month, then look at what is left for wants and saving. If essentials sit far above 50%, that is a sign to look at whether anything structural can shift over time — housing, bills, transport, income — rather than to cut further into food or clothes. Judge your budget on three things instead: essentials covered, debt shrinking, something being saved, however small.

Do I need a budgeting app?

No. A budgeting app is a convenience, not a requirement — the categorising it does automatically, you can do yourself from a bank statement in twenty minutes, and several UK banking apps already break spending into categories for free. What actually keeps a budget working is not the tracking, it's standing orders that move savings, debt overpayments and annual-cost money out of your current account on payday, before you have the chance to spend it — that works whether or not you ever open a budgeting app. If you do use one, check what it's costing you: a paid subscription that replicates something your own bank already gives away free is itself a leak worth closing before you look anywhere else.

How do I budget with a variable income?

Budget on your floor, not your average. Look back over six to twelve months and find your lowest realistic month — that's the income your essentials and standing orders must fit inside. In better months, the surplus goes to a buffer account first (aim for one month of expenses, then keep going), and only once the buffer is healthy does extra go to lifestyle. The buffer then tops your income up in lean months, so you effectively pay yourself a steady wage. It's the same approach self-employed people use — our self-employed money guide covers the full version, including tax.

What if my essentials cost more than my income?

Then the gap is structural, and a budget cannot close it. Take three steps in order. First, check you're not missing money you're entitled to; a benefits calculator via MoneyHelper takes ten minutes. Second, tackle the priority bills (rent or mortgage, council tax, energy) — providers and councils have hardship routes, and free debt advice can negotiate for you. Third, look at whether one big cost, such as housing or a car, has to change, and do it before arrears build up.

How often should I review my budget?

Twenty minutes, once a month, on the same date every time — payday works well, because that's when the standing orders you've set up actually move. That's enough to check the four buckets (essentials, debt, savings, annual costs), catch a subscription that's crept back in, and nudge an amount if a bill has gone up. On top of that monthly check, do a bigger annual review each January or April: re-run the full statement audit from scratch, rebuild the annual-costs list for the year ahead, and reset your savings targets against whatever has changed — a pay rise, a new rent, a cleared debt.

Your Financial Freedom Score

The Financial Freedom Score takes about eight minutes, covers eight areas of your money and gives you one next step.

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