For the first £100,000 in the account the pension fee is 0.45%. On a balance over £100,00 this amount will be charged at 0.15%. This fee is calculated daily and charged at the end of each month from the value of your investments.
You’ll also be charged the fund provider fee. For the Fidelity fund this is 0.12%. You can see the fees associated with other funds on their Key Investor Information, or in the app.