Menyoo required and OIV required.

open up your GTA V directory 

Steam:  C:\Program Files (x86)\Steam\steamapps\common\Grand Theft Auto V\


Retail/CD  C:\Program Files\Rockstar Games\Grand Theft Auto V 



 Primary Stuff, open the rar or zip file, get the Banham House.xml and extract it in the directory folder menyooStuff/spooner

(Secondary) Open IV stuff:

Use the altered ymap folder using OIV in 'Edit Mode', place the .ymap file here:

Mods/update/x64/dlcpacks/mpheist/dlc.rpf/x64/levels/gta5/hills/cityhills_01/cityhills_01_metadata.rpf



Load in-game: Open menyoo, go to Objectspooner, saved files then click on Banham House file


Done