Pivac’s men were tremendous throughout against a strong England side and remain in contention for a Grand Slam with Italy and France left to play.
Tries from Josh Adams, Liam Williams, Kieran Hardy and Cory Hill secured a bonus-point victory for Wales, while Dan Biggar and Callum Sheedy kicked 16 points between them.
Anthony Watson and Ben Youngs scored England’s tries, while Owen Farrell kicked 14 points.
Pivac said: “It feels great. The players are feeling very good about the performance they put in.
“It was a special day. The weather was good and we went out there and got a bonus-point win.
“You have to be proud of the performance. From a Welsh point of view, the cross-field kick was pinpoint.
“It was good skill. Josh did his job by hanging out there to give us the option and I thought it was well taken once the referee said time on.
“If it was against us, we’d be having a little bit of a look at ourselves and why we didn’t react quicker. We won’t be celebrating the old-fashioned way.
“We haven’t really played the house down yet so we’ve well and truly got our feet on the ground.”
Wales head coach Wayne Pivac and Dan Biggar celebrate at the end of the England game
We haven’t really played the house down yet so we’ve well and truly got our feet on the ground
Wales captain Alun Wyn Jones added: “We’re not going to say we haven’t had a bit of luck with the bounce of the ball and the decisions, but if it wasn’t us, it would be someone else.
“I still truly believe we’re not the finished article, but I’m pretty pleased.
“Sometimes those decisions happen and we’re told to leave the referees alone as much as we can.
“I’ve probably been too familiar with referees at times. It probably wasn’t my place to step in.”
Wales have sealed bonus-point wins over Scotland and England after a round-one success against Ireland in Cardiff.
Pivac’s team are now top of the 2021 Six Nations table and the England result was the perfect way for centre George North to mark his 100th Welsh cap.
North reached a century milestone at Principality Stadium becoming the youngest player in rugby history to do so. He also produced a physical, ball-carrying display in midfield.
Captain Alun Wyn Jones of Wales holds the Triple Crown with Liam Williams, Dan Biggar, Adam Beard and Elliot Dee.
I still truly believe we’re not the finished article, but I’m pretty pleased
“He handled himself as we knew George would. He’s taken it all in his stride, he’s been very humble,” said Pivac.
“We had a little video for him last night in the team room. That was from his family and other greats of the game and it was very touching.
“George, in the number 13 jersey, put in another good display. He’s feeling comfortable in that position.
“We have a couple of options for him going forward.
“We’ve already spoken briefly about the importance of the next game. It would undo a lot of very good work if we didn’t focus on that game and that game alone.
“We have to make sure we go out there and put in another solid performance and hopefully get the points. The last weekend will take care of itself.”
George North with the Triple Crown and his 100th Welsh cap
We have to make sure we go out there and put in another solid performance and hopefully get the points. The last weekend will take care of itself
