Cape Town - In the complete chaos of the final ball of a World Cup Super Over, Jos Buttler had to stay calmest of all.

England's wicketkeeper, vice-captain and batsman had already helped get the host nation to a tie with a run a ball fifty alongside Ben Stokes.

He then returned for England's Super Over and hit seven from three balls, including a final four through midwicket to set the Black Caps 16 to win.

However, Buttler's biggest intervention was still to come, collecting Jason Roy's throw to strand Martin Guptill short and secure England a first World Cup crown in their history.

READ: An inexplicable, otherworldly day at Lord's

And the 28-year-old Buttler was still pinching himself after the celebrations began.

"We were laughing about it in the dressing room, four years came down to one ball," Buttler said.

"Two needed off one ball, we didn't get that. Then it came down to, can we get a run out?

"It's quite nice to know that we will wake up this week and it did happen.

"It was quite an incredible match for a World Cup final to be so close, and somehow we managed to win the game."

So how did Buttler manage to keep his head while all around him were losing theirs?

"It's OK when you are in the middle because you go into default, it is what you know - playing cricket.

"Catching the ball and trying to break the stumps, that’s what I know but the consequences are a bit larger," he added.

"I remember those ten seconds of running around, the atmosphere is something that will live with me forever.

"When we walked down through the Long Room at the start of the game, the noise before the anthems was deafening.

"I don't think I will ever care about anything ever again! I don't think I will care what happens now in my career!"

The dust has barely settled on this historic and dramatic win over the Black Caps, and there is the small matter of an Ashes still to come this summer.

But for now, Buttler and co can allow themselves to simply reflect on a job well done.

From group-stage humiliation four years ago, to champions of the world.

"It is an incredible journey, having won you allow yourself to think about everything we have done as a side," added Buttler.

"The guys at the top who have cultivated this side and the way we want to play, Eoin Morgan and Trevor Bayliss.

"This has justified everything we have done for four years to get us to this point."