Use this page to learn about what budgets and cashflow forecasts are and how to write a budget.
A budget is an income and spending plan based on what you are planning to do.
A cashflow forecast predicts when income and expenditure are going to arrive in and leave the bank account.
Your cash flow needs to be consistent with your budget, but they are not the same thing.
Both are about forecasting and predicting whether you’ll have enough money – but they focus on different things:
For regular income and expenditure, like salaries, the numbers often look similar. The difference becomes significant for things like:
You cannot write a useful budget without an action plan. Your budgeting thought process should look like this:
It’s an open-ended process because you may have to go around it a few times before the answer to the final question is 'yes' and you can move forward.
The thought process is the same if you’re talking about an annual budget for the whole organisation or a one-off budget for a project.
One of the things that seem to put people off writing budgets is the fear they’ll 'get it wrong.’ Don’t worry about that because you will – no one can predict the future – but there are ways to reduce and manage the uncertainty.
What you’re aiming for in a budget is an intelligent estimate based on the best available information at the time, which might come from:
Make sure you keep a record of what all those assumptions are, it’s surprising how easy it is to forget them.
NCVO worked with Rachel Cooper at Welbeck accountancy to create this guidance.
Last reviewed: 01 December 2022
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