11 So Uriah the priest built an altar in accordance with all the plans that King Ahaz had sent from Damascus and finished it before King Ahaz returned.

Read 2 Kings 16:11 Using Other Translations

And Urijah the priest built an altar according to all that king Ahaz had sent from Damascus: so Urijah the priest made it against king Ahaz came from Damascus.
And Uriah the priest built the altar; in accordance with all that King Ahaz had sent from Damascus, so Uriah the priest made it, before King Ahaz arrived from Damascus.
Uriah followed the king’s instructions and built an altar just like it, and it was ready before the king returned from Damascus.