Brentford boss Thomas Frank is delighted with Christian Norgaard's new deal.
The midfielder penned terms yesterday to 2025.
"It's a fantastic New Year's gift for all Brentford fans. We are on a great journey here and we are delighted that Christian will remain on the journey with us. He has played a key role in Brentford's upswing over the past three years," Frank told the club's website.
"I think Christian has had a fantastic first half season in the Premier League. He has shown that he can compete in this league against some of the best in the world in his position.
"Christian shows great qualities as a leader every day for training, and he helps build our culture. It is very important to us. He has an incredibly important role on the team and it is good that he is becoming a part of our future."