The UK was previously bound by the £45 cap on contactless payments enforced by the EU.
Chancellor Rishi Sunak, said: "As we begin to open the UK economy and people return to the high street, the contactless limit increase will make it easier than ever before for people to pay for their shopping, providing a welcome boost to retail that will protect jobs and drive growth across the capital."
10.04am update: Sunak given stern warning not to break tradition
Rishi Sunak is taking the extraordinary step of announcing his Budget in a televised No10 briefing shortly after addressing the House.
He will take questions from both the public and journalists.