Dividends received by pension funds or received on shares within an ISA are tax free and won't impact your dividend allowance. Also, any profit you make when selling investments in your stocks and shares ISA is free of Capital Gains Tax.

What happens to dividends in ISA?

Dividends on investments in ISAs can be withdrawn with no tax liability, but if you don't need the income, reinvesting them to buy more shares in the same investment can have a dramatic impact on the size of your ISA.

Do you have to declare dividends from an ISA?

No! You don't have to declare ISAs on your annual tax return.