Eddie Jones backed his England side to seal the Grand Slam after they held off a Wales fightback to win the Triple Crown with a 25-21 victory at Twickenham on Saturday.
England produced a dominant first-half display to lead 16-0 at the break, with Anthony Watson scoring his 10th international try.
Wales were lacklustre in the opening 40 minutes, but showed what they are capable of after the interval and a Dan Biggar try gave them hope.
Warren Gatland's side threatened to pull off a sensational comeback when George North and Taulupe Faletau went over late on, but they ran out of time to keep their Six Nations title hopes alive.
Owen Farrell was successful with all six penalties and converted England's only try to secure a victory which sets up a potential title decider against France next Saturday - provided Les Bleus beat Scotland on Sunday.
Head coach Jones has faith in England's ability to finish off the job in Paris and win a first Grand Slam since 2003 in his first tournament in charge.
"It was one game for 60 minutes and another for 20. Luckily we got enough points in the first 60. It was a funny game, it was all Wales in the last 20. We dropped off a bit at the end." he told ITV.
"We made a number of changes on purpose to test players and to test the strength of the team and maybe those changes didn't work. If you look at our first 60 minutes there was some fantastic rugby.
"The Grand Slam is a reality and we can't wait to get to Paris and to do the business. We need to prepare well and the Grand Slam is there for us to take.
"France will play with a lot of passion and a lot of pride. I think we're good enough to do the business."