A five-bedroom detached property in one of Newcastle's most sought-after new developments has come to market, and while the listing itself reads like standard estate agent fare - spacious reception rooms, a landscaped garden, high-specification finishes - its significance for the wider UK property market runs considerably deeper than the property pages suggest. The emergence of premium family homes commanding six-figure and, increasingly, seven-figure price tags in Newcastle is not an isolated curiosity. It is a data point in one of the more consequential regional stories in UK housing: the steady erosion of the North-South price divide at the top end of the market.