tinytim
It's impossible for us to say what will happen in 2023 but with a little research on your part you should be able to get an idea of what you might receive.
So, when you reach State Retirement Age your ESA will stop so your taxable income will be your State Pension and whatever your superannuation pension pays assuming there is nothing else.
You can get a State Pension forecast from the following
www.gov.uk/check-state-pension Everybody has a Personal Allowance, how much they can earn before they pay tax currently it is £12,500 so if your income is below the Allowance in 2023 you will not pay any tax and if it is more then you will pay tax on the excess, so as an example; if your total taxable income is £13,000 then you will pay £100 in tax (£13,000 - £12.500 = £500 x 20% Basic Tax - £100).
Gordon