Around 68 percent of Britons feel good about their personal situation, two points higher than on the eve of the Brexit vote, according to a study by Lloyds Bank.
This is the highest figure recorded by the lender since it started keeping track of sentiment five years ago.
There was growing optimism about the British economy and job security, but faith in the housing market fell to its lowest level since July 2013, with only 37 percent saying they felt confident.
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Robin Bulloch of Lloyds said: "Despite a melting pot of economic uncertainty - from the prospect of Brexit to the impact of inflation - UK consumers are demonstrating a remarkable resilience when it comes to their own personal finances."
The figures suggest that as Britain begins the process of leaving the EU, most households are feeling positive.