Your build is looking good  I noticed yesterday in one of your screenshots that two walls in the entrance hallway alcove are using the same wallpaper texture but appear to have their UV's scaled differently :   Before any UV unwrapping, in Object mode,  check that the 3 scale values, X Y and Z are set to 1.000. If they they are not then you need to Ctrl A >  Apply Scale :    When UV unwrapping outside walls or walls of a room which you intend to texture w
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