British Façade Detail

Instead of doing my usual evening bicycle tour, on Saturday I preferred to sit on a bench in a park, enjoy the quiet atmosphere and do some reading. Because of road works I had to make a little detour on my way home, and in one of the unfamiliar streets I discovered this interesting façade detail. I don't have any explanation for this "decoration", but it's a perfect subject to depict the fact that Great Britain is currently a central topic...