No houses were added to the district until after 1900.

During Tudor times in the 16th century, a long house was added.

A second house was added in 1887, giving the school 55 rooms.

The house now known as the "stone building" was added later.

"The houses have been added onto and heat put into them."

By the year 1828, six houses had been added in America.

In the 16th century, a kitchen and a warming house were added at the east of the building.

The house was built and added to over many years.

Around 1810, another house was added to the property, in the Federal style.

The house has been added to and renovated a number of times.