Welcome to Travian Answers. What would you like to know?

The building gets demolished, how ever it continues to build 1 level up from where it got demolished. I.E Grannary has been demolished to level 5 from level 19 and you was expanding it to level 20 it will start building level 6. The resources you used to expand the building is lost.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.