As an exceptional example of Neo-Gothic and modernist architecture, and for its testimony to the development of international maritime trade, the Speicherstadt was awarded the status of UNESCO World Heritage Site on 5 July 2015, along with the Kontorhaus District.

[3] However it obtained an opt-out in the form of Article 34 of the North German constitution,[4] which stated that Hamburg and the other Hanseatic cities would remain as free ports outside the Community customs border until they apply for inclusion.

Hamburg would join the Customs Union with all its territory, except a permanent free port district which the agreement specified.

The construction was completed before the start of World War I, managed by the Freihafen-Lagerhaus-Gesellschaft (the predecessor of the Hamburger Hafen und Logistik AG), which was also responsible for the subsequent operation.

After the destruction of about half of the buildings in Operation Gomorrah by bombing during World War II, the conservative rebuilding was finished in 1967, while the Hanseatic Trade Center now occupies the sites of the completely destroyed structures.

[10] The warehouses were built with different support structures, but Franz Andreas Meyer created a Neo-Gothic red-brick outer layer with little towers, alcoves, and glazed terra cotta ornaments.