I have every expansion, game and stuff pack installed on my computer. I tried to keep the CC to a minimum. I know for a fact that I used items from the following packs:

Perfect Patio Stuff
Romantic Garden Stuff
Fitness Stuff
Spa Day
Dine Out
Get to Work
Get Together
City Living
Parenthood

You will need the following CC from TSR:

Perfect Fit Window Privat 1X1 by Mutske
https://www.thesimsresource.com/downloads/details/category/sims4-objects-buildmode-windows/title/perfect-fit-window-privat-1x1/id/1295823/

Rafel Guz Fountain by JomSims
https://www.thesimsresource.com/downloads/details/category/sims4-objects-furnishing-decor-miscellaneous/title/rafel-guz-fountain/id/1303034/

The following CC from these external websites are needed:

Ultra Glass Fence Set by Maloverci (You need both fence and gate)
http://modthesims.info/d/556660

Pinnacle Rock and Waterfall by Snowhaze
http://modthesims.info/d/593489

Fountain Light by Bakie Games
http://modthesims.info/d/587228

Mirrored Floor Tiles Seamless by Xtrasims
http://xtrasims.wixsite.com/home/objects (Scroll down on page)

Ambient lighting by Not Egain (I only used the Ambient wall lights from the download file) It provided the ambiance of the yoga studio.
http://notegain.tumblr.com/post/111049801123/neon-signs-cocktails-and-beer-ambient-lights

pqSim4_SalonAltea_MesaEstanteria from the Altea Living Set by pqSim4
http://pqsim4.blogspot.com/2016/04/altea-living-sims-4-custom-content.html

• Value: 236337
• Furnished: Fully
• Decorated: Throughout
• Stories: 2
• Lot Size: 30x20
• Custom content: Creation needs CC (links to all needed CC listed in the description)