John Gill Commentary 1 Kings 7:8

"And his house where he was to dwell, the other court within the porch, was of the like work. He made also a house for Pharaoh`s daughter (whom Solomon had taken to wife), like unto this porch." — 1 Kings 7:8 (ASV)

And his house where he dwelt
Which was properly his dwellingplace, that part of the house where he usually resided:

[had] another court within the porch, which [was] of the like work ;
a court between that and the porch, called the inner court, (2 Kings 20:4) .

Solomon made also a house for Pharaoh's daughter, whom he had taken to
wife ;
see (1 Kings 3:1) ,

like unto this porch :
being built of the same sort of materials, though in a different form.