In ancient times, hundreds of years before the dawn of history. Lived a strange race of people... The Druids.

No one knows who they were. Or, what they were doing. But their legacy remains - hewn into the living rock of Manor Avenue.

Reader JPM has been doing some renovation work and has discovered that "the very very thick internal walls are made up of very curious stonework." He asks: "Is ancient Brockley buried in our houses? Did the 19th Century builders use stones from earlier monuments, or is there a much simpler explanation?"