About this tool

Four free worksheets for the person who files their own Self Assessment return. Put in what you earned, what you spent and which allowances apply, and the estimator builds the bill the way HMRC's own rules do: personal allowance, the rate bands, Class 2 and Class 4 National Insurance, and the payments on account that follow. The tax year planner puts every deadline against a date, and the amendment sheet shows how far back a filed return can still be changed. Nothing is hidden behind an account.

Taxyearvo is a set of worksheets for the United Kingdom Self Assessment tax return. You type in wh