In 1954 work on an extensive addition to the high school was begun and continued into 1955.

The middle of the twentieth century saw extensive additions and refurbishment to the island.

It was built in the early 14th century, with extensive additions in the 17th and 19th centuries.

Becoming a leading local businessman, he made an extensive addition to the house in 1852; this new structure took the form of an I-house.

He made extensive and valuable additions to his Essays.

At the same time, the building was restored to its original footprint, in particular removing the extensive 1880s additions.

At its core is a 15th-century tower house, with extensive additions built during the 17th and 19th centuries.

In 2001, two extensive additions to the school were completed as well as other renovations.

The new stadium had an initial capacity of 34,680, which has since been upgraded to 51,055 through extensive additions.

The planetarium was added during extensive additions in 1997.