England Under-19 captain Jay Dasilva has signed a new contract with Chelsea and will return to Charlton on loan for the new season, the Premier League club have announced.
The defender, whose deal at Stamford Bridge will now run until 2021, helped lead the Young Lions to victory in the European Under-19 Championship, beating Portugal in the final in Georgia.
The 19-year-old spent the second half of last season at League One Charlton, where he made 10 appearances.
Dasilva was part of the Chelsea squad which won the FA Youth Cup three times and also the UEFA Youth League twice.