Decorated with rich velvets and vivid colors, interior designer Emma Green’s Victorian townhouse in south London is always particularly beautiful at Christmastime. When she and her husband bought the house, however, it looked very different.

Decorated with rich velvets and vivid colors, interior designer Emma Green’s Victorian townhouse in south London is always particularly beautiful at Christmastime. When she and her husband bought the house, however, it looked very different.