And Uriah the priest built the altar according to all the instructions King Ahaz had sent from Damascus, and he completed it before King Ahaz returned.
Though Ahaz had himself sacrificed in high places, on hills, and under every green tree (Kg2 16:4), yet God's altar had hitherto continued in its place and in use, and the king's burnt-offering and his meat-offering (Kg2 16:15) had been offered upon it by the priests that attended it; but here we have it taken away by wicked Ahaz, and another altar, an idolatrous one...
Commenting on 2 Kings 16:10-16
And when the king was come from Damascus, the king saw the altar,.... Looked at it, and liked it, being exactly according to the pattern he had sent: and the king approached the altar, and offered thereon; either by a priest, or it may be in his own person, having no regard to the laws and appointments of God, and especially as his sacrifices were...
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. (g) We see that there is no prince so wicked that he cannot find liars and false ministers to serve his purposes.