This is a paid asset, but now you can download Victorian Interior Free.
Detail this asset from Unity Store: Original Link
Victorian Interior v1.0 (Latest version)
“If possible, please buy the package to support the developer”
Victorian Interiors Pack contains everything you need to build your own interiors, such as living rooms, bedrooms, bathrooms, kitchens and more! This package conatins:
– More than 200 highly realistic PBR shaded models including walls, tables, chairs, books and even pieces of paper!
– High resolution 4096X4096 textures
– everything is prefabbed, almost everything with LODs
– 4 demo scene to test everything you want