The properties, sold across England and Wales, had an average price tag of £1,333,286.
London accounted for 58% of all transactions above the £1m threshold in the last 12 months.
In contrast, Wales and the North East accounted for 0.2% of homes, which sold for £1m or more.
While the Yorkshire and Humber region accounted for just 1% of all transactions above £1m, it was home to the highest average sold price at £1.544m.
The data also showed that 16 of the top 20 local authorities to have seen the greatest number of transactions on properties valued at £1m or more were located in the capital.
Westminster saw the highest number of homes sold for £1m or more of all local authorities, with 876 transactions.
Before the referendum, they boomed by 61.2 percent in the same period.
Areas voting to Leave have seen house prices increase by a whopping 14.1 percent to an average of £232,976 today.
Just two of the top 10 areas for house prices growth since the referendum were home to predominantly Remain voters.
The opposite can be said of the top 10 areas with the worst house price growth since the referendum.
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Three of the ten areas for the worst house price growth were Leave areas.
Remainer hotspots like the City of London, Aberdeen, and the City of Westminster have all seen the largest decline in property prices since the vote.
| UPDATED: 07:17, Fri, Jan 29, 2021
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The latter part of 2020 has seen the housing market thrive following the shutdown in March 2020, where house sales were halted suddenly in line with coronavirus restrictions. While Rishi Sunak’s Stamp Duty holiday has helped considerably in the recovery, other factors are at play in Britain’s growing market.
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Highclere Castle in Berkshire where Downton Abbey was filmed (Image: Steve Parsons/PA Wire)
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