Against the walls of the temple and the inner sanctuary, Solomon built a chambered structure around the temple, in which he constructed the side rooms.
Here, I. The temple is called the house of the Lord (Kg1 6:1), because it was, 1. Directed and modelled by him. Infinite Wisdom was the architect, and gave David the plan or pattern by the Spirit, not by word of mouth only, but, for the greater certainty and exactness, in writing (Ch1 28:11, Ch1 28:12), as he had given to Moses in the mouth a draught of the tabernacle.
Commenting on 1 Kings 6:1-10
And against the wall of the house he built chambers round about,.... Or near it, as Jarchi interprets it, for the beams of them were not fastened in in it, Kg1 6:6; or rather "upon" it (p); and when they are said to be round about the house, it must be understood of the two sides, north and south, and of the west end only...
THE CHAMBERS THEREOF. (Kg1 6:5-10) against the wall of the house he built chambers--On three sides, there were chambers in three stories, each story wider than the one beneath it, as the walls were narrowed or made thinner as they ascended, by a rebate being made, on which the beams of the side floor rested, without penetrating the wall.