Enter the modern replacement sash window—the quiet hero of this story. But not the cheap kind. In Hampstead, you don’t just “buy a window.” You commission a heritage replica .
Why go to such lengths? Because in Hampstead, a wrong window can halve a house’s value. But a right replacement—one that lifts smoothly, seals tightly, and looks as though it has always been there—can add six figures to a price tag. replacement sash windows hampstead