annex building vs new building

Examples:

• The university constructed an annex building to accommodate the growing number of students.
• The hospital built an annex building to house its new research facilities.
• The company decided to add an annex building to its headquarters for more office space.
• The museum's annex building showcases contemporary art pieces.
• The library's annex building contains rare book collections.

Alternatives:

• extension building
• additional building
• supplementary building
• adjunct building
• expansion building

Examples:

• The city council approved the construction of a new building in the downtown area.
• The company invested in a new building for its headquarters.
• The school district built a new building to replace the old one.
• The architect designed a stunning new building for the art museum.
• The government allocated funds for a new building to serve as a community center.

Alternatives:

• recently constructed building
• freshly built structure
• newly erected building
• just-built edifice
• newly constructed facility