Clash of Clans – Can Buildings Be Upgraded During Clan War?

clash-of-clans

If a war is started and some of my defensive buildings are being upgraded, are they able to defend my base during war?

I know they don't function in normal play until the upgrade is finished, but war bases are different to some degree.

Best Answer

Whatever the highest level your buildings are before the end of the preparation day is the level of those buildings during the war. Anything under construction in your "normal" base will revert to the level it was before you started the upgrade in your "war" base.

This is from the Clan Wars FAQ, written by a SuperCell employee:

The war base can not be directly upgraded or rearranged, but will instead mimic the arrangement and highest completed upgrade levels of your village during the preparation day. Buildings and traps will never be “under construction” in your war base.

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