There is a house I visited in the Nilgiris, built in 1952 by a tea planter who clearly expected it to outlast him. The walls were lime-plastered stone, two feet thick. The roof was clay tile, replaced twice in seventy years. Every window framed a view of a tree that had been there before the house and would be there after.

The house was more beautiful than it had been at construction. The lime had developed a patina that no new plaster can replicate. The stone had darkened in particular places where rain ran off the roof. The floors had been polished by seventy years of feet into something a craftsman could not reproduce intentionally. The garden had stopped being a garden and become a forest.

This is what we mean when we say we design homes that age with trees. Not that the homes are rustic, or that we are indifferent to craft. We mean that we design for the forty-year version, not the opening-day version.

Most contemporary residential architecture is designed for the photograph taken before anyone moves in. The materials are selected for their appearance when new. White walls, precise joints, surfaces that show every mark. They are beautiful for perhaps two years, and then they begin to lose the argument with time. The lime on the wall streaks. The perfectly detailed joint opens slightly. The tree that was planted to complete the composition grows in its own direction and stops cooperating with the composition.

We work differently. We ask, at every decision point: what does this material look like in twenty years? What does it look like in forty? Lime improves. Stone improves. Teak improves. Concrete does not. Glass does not, in the particular way that matters — glass does not acquire history, it only acquires dirt.

We position homes around trees that are already large because a large tree is irreplaceable on any human timescale. A tree that is a hundred years old took a hundred years to become what it is. You cannot buy that with a budget. You cannot accelerate it. You can only protect it.

The homes we build are designed to need the trees as much as the trees need the homes to protect them. Shade that makes a room liveable. Roots that hold the slope stable. Canopy that keeps the water table alive. The relationship is not decorative. It is structural, in the deepest sense of that word.