John 14: 1“Let not your hearts be troubled. Believe in God; believe also in me. 2In my Father’s house are many rooms. If it were not so, would I have told you that I go to prepare a place for you? 3And if I go and prepare a place for you, I will come again and will take you to myself, that where I am you may be also."
I am quite comfortable interpreting this text exactly as it reads. God has a house in heaven, his own house.
Then in Revelation 22, John, i believe, is shown Heaven, and clearly the tree of life (the very same as the one that was in the garden of Eden and which people were stopped from partaking of by the angels guarding the entrance to it after the fall of Adam and Eve), is in heaven right now...
1" And he shewed me a pure river of water of life, clear as crystal, proceeding out of the throne of God and of the Lamb. 2In the midst of the street of it, and on either side of the river, was there the tree of life, which bare twelve manner of fruits, and yielded her fruit every month: and the leaves of the tree were for the healing of the nations. 3And there shall be no more curse: but the throne of God and of the Lamb shall be in it; and his servants shall serve him: 4And they shall see his face; and his name shall be in their foreheads. 5And there shall be no night there; and they need no candle, neither light of the sun; for the Lord God giveth them light: and they shall reign for ever and ever."
This residence has plenty of rooms for all of us after the living are gathered together with the dead in Christ who are raised to meet Him in the air at the second coming.
I Thessalonians 4 :16 "For the Lord Himself will descend from heaven with a loud command, with the voice of an archangel, and with the trumpet of God, and the dead in Christ will be the first to rise.
17 After that, we who are alive and remain will be caught up together with them in the clouds to meet the Lord in the air."
After the thousand years is over, Satan and all evil is purged from existence, the earth cleansed, then we all live here for ever.