How to plan your financial year in one evening
An annual plan is not a forecast. It is a set of decisions made calmly, so they do not have to be made in a hurry in March.
In short
To plan your financial year: total your annual income using your lowest month times twelve, subtract fixed costs, subtract the large expenses you already know are coming — insurance, school fees, holidays, December — and split what is left between goals and day-to-day spending. It takes an evening. What makes it work is not precision but having decided before the bill arrives.
Almost nobody plans the year. People plan the month, because the month is urgent, and that is exactly why the costs that arrive once or twice a year always arrive as a surprise — even though they have been in the calendar all along.
Step 1
The year's income
Your lowest month multiplied by twelve
Step 2
Minus the obligatory
Rent, loans, bills — everything that arrives by itself
Step 3
Minus the big known items
Insurance, school, holidays, December
Step 4
What is left, over twelve
That is your monthly budget
First: the year's income, not your good month
Take your lowest monthly net income from the past twelve months and multiply by twelve. Not the average: the lowest. Bonuses, profit shares and one-off work go in separately, at the smallest amount you have actually received rather than the one you hope for.
It is an uncomfortable number and it is the only one that will not lie to you. A plan built on your best month breaks precisely when the worst one arrives.
Second: fixed costs, times twelve
Housing, utilities, transport, school fees, subscriptions, minimum debt payments. This part is arithmetic and it is quick.
What almost always surprises people here: fixed payments are ten to twenty per cent higher than they remember, because the small subscriptions go uncounted. For the real figure, read three months of statements rather than your memory — see small daily spending.
Third: the big costs you already know about
This is the part almost nobody does and the part that saves the year. Walk through the months and write down what you already know:
- Insurance, usually annual.
- Vehicle tax, inspections, council tax.
- Back to school: uniforms, books, equipment.
- The whole of December: presents, dinners, travel.
- The dentist, the glasses, the check-up you keep putting off.
- Holidays.
Add it up and divide by twelve. That is the amount to set aside every month so none of those months becomes an emergency. It is almost always more than people expect, and seeing it is the moment an annual plan starts being useful.
Fourth: goals, with dates
A goal without a date is a wish. With a date it becomes a monthly amount, and a monthly amount is either met or not met — which is exactly what you need in order to know whether you are on track.
Three goals is a good number for a year. More than that and none of them moves enough to notice. How to choose them is in financial goals.
Fifth: what is left is the day-to-day
Income, minus fixed, minus the monthly set-aside for big costs, minus goals. What remains, divided by twelve, is your free monthly spending. If that number is negative, the plan has just warned you in August about a problem that would have surfaced in April.
That warning is the product. Not the sheet.
The four dates of the year
Put them in your phone's calendar with a reminder:
- January. Build the plan and adjust the amounts.
- April. First check: are the fixed costs the ones you wrote down?
- August. Second check, and decide December before December decides for you.
- December. Close the year and count what actually happened — see the year-end money review.
Why an annual plan survives when a monthly one does not
A monthly budget depends on the discipline of every week. An annual plan depends on one evening. Abandoning a decision you have already made is far harder than failing to keep up a discipline you have to renew daily.
Common questions
- How long does an annual plan take?
- An evening the first time, if you have three months of statements to hand. After that, twenty minutes in January to adjust amounts. The slow part is assembling the list of the year's big costs, and that list serves every year afterwards.
- Is it worth planning a year on a variable income?
- More worth it, not less: it is the only way to know how many bad months you can absorb. Use your lowest month times twelve and pay yourself a fixed salary, as in budgeting with variable income.
- What if the plan comes out negative?
- You are seeing it months in advance, which is exactly what the plan was for. You have three levers: cut a fixed cost, cut variable spending, or earn more. The first is the one that still works next year without you thinking about it.
Try it on your own money
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