A three-bedroom detached house on Red House Road in Birmingham's B33 postcode has come to market at £450,000, a price point that would have seemed extraordinary for this part of the city just five years ago. B33 covers Sheldon, Kitts Green and Stechford — traditionally affordable, owner-occupier-dominated pockets of east Birmingham that sat well below the city's premium suburbs of Edgbaston, Moseley and Harborne. This single listing is a useful proxy for a much bigger story: the steady erosion of the price gap between Birmingham's core desirable postcodes and its outer, historically overlooked suburbs.