Thornhurst Addition is a national historic district located at Carmel, Hamilton County, Indiana.

It developed between about 1956 and 1971, and includes notable examples of Modern Movement style architecture designed by Avriel Shull (1931-1976).

It includes homes of post and beam construction with huge aluminium window expanses, slate or stone entry floors, and clerestory windows.

[2] It was listed on the National Register of Historic Places in 2010.

This article about a property in Hamilton County, Indiana on the National Register of Historic Places is a stub.