Anchorage condo is quite a curious development. Having been built in 1997, it is more than 20 years old at present and is one of the two stalwarts in Queenstown (with the other being the Queens condo).
Commonwealth Towers Review: 1 min to Queenstown MRT
When I first heard about Commonwealth Towers, I immediately assumed it was located at Commonwealth. And I think it is safe to assume that most people would make this perfectly reasonable assumption too.