Final answer:
The estimated cost to build a 200-year-old house using modern materials and construction methods is called its replication cost.
Step-by-step explanation:
The estimated cost to build a 200-year-old house using modern materials and construction methods is called its replication cost. This cost takes into account factors such as inflation, availability of materials, and labor costs. It provides an estimate of what it would cost to recreate the house using current methods and materials.