Later in the 15th and 16th century, a tower house was built.

In the late 16th century a tower house was built.

During the middle ages it was built as a tower house.

She had been a prisoner inside the tower house for three weeks.

It is a tower house rather than a castle which was probably built at the end of the 16th century.

It is a medieval tower house from the 15th century.

He'd wondered if she would get back to the condition of the tower house.

"Now, can you leave the tower house an hour after midnight?"

A tower house or keep was built against the curtain wall at the high point of the island, probably in the 14th century.

The name then began to be used for the walls that were built around tower houses.