A block of seven self-contained flats in Finchley, N3, which sold for £1.4m, was the highlight of Auction House London's July sale last week.
The property (pictured), on Regents Park Road, currently receives an annual income of £79,320.
The sale was one of 83 lots sold by the auctioneer from 104 lots offered, reflecting a success rate of 80% and raising £14.7m.
Last year, Auction House London raised £11.5m at its July sale, in which it sold 69 of the 93 lots offered, equating to a success rate of 75%.
According to Essential Information Group,