Last night's gig was in front of a crowd of just 300, but the star is expected to hold another show tonight.
Prince teased fans with promise of a further performance at the Electric Ballroom by posting a link to a countdown clock online, with the seconds ticking by until 7pm tonight.
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The property developer painted the mews house in March last year after she was denied permission for a basement below the property.
Profits at the estate agent plummeted 42% in the first half of the year.
Ionut Gheorghe, 27, was detained in Los Molinos near Madrid on Friday by Spanish police under a European Arrest Warrant.