The only fee Trading 212 can charge your Invest and ISAs is the FX Fee. The other fees related to your trades in such account types are not charged by Trading 212 but by the relevant exchanges and tax authorities, such as Stamp Duty, PTM Levy, FFT, FINRA fee, and SEC.
FX fee: 0.15%
Trading commission: Free
Custody Fee: Free
Government taxes & levies - charged by the relevant exchanges and tax authorities
Stamp Duty Reserve Tax: 0.5%
PTM Levy: £1 per trade for orders over £10,000
French Financial Transactions Tax: 0.3%
FINRA fee: $0.000166 per share
SEC fee: 0.0008%