The deluxe modular family house is a combination of 2x sets 60398 and uses 821 from the 2 sets + 30 extra pieces. The difference between this MOC and MOC 151754 is just the increased height of the ground floor to make it even more aesthetically compatible with other modular buildings.
You may view and download the extra parts list here:
https://drive.google.com/drive/folders/1i0dlTFW7gV04nOaJCg_KqzNwvDIw8sWz?usp=drive_link
If you prefer to build the MOC without extra pieces, you may view this: https://ihx067q10u.onrocket.site/product/modular-family-house/