WHEN CHARLOTTE AND Angus Buchanan purchased their Edwardian-era London townhouse, it came with inhabitants. The couple heard and even felt the breeze of pigeons flapping by that had taken roost in the attic, having flown in through the windows absent of panes of glass for many years. But no sooner had they rid the house of those pests than another longtime inhabitant made itself known.
As Angus recalls, speaking about the pouring of the floor in the new kitchen addition: “While the concrete was being
