You need to ensure your business performance forecasts for your business plan are realistic and explain what assumptions you have made the forecasts on.
A cashflow and profit and loss forecast is usually sufficient for a smaller business and this will typically be over 1 to 3 or 5 years.
There are many free templates you can use to help with this however we provide a forecasting tool (opens in a new window), please use this to prepare for what the future could look like.