In office cum house the South West direction is the best place for office. If your house entrance is middle point of South to South South East than it is suitable for your house. It brings happiness, increase money and Brings good health. South West temporary toilet is not good . If it is set up on South South West than it is most suitable. If it can not setup than a red bulb always burn on toilet.
In South West direction of office than you should follow following Vastu tips:
1. A picture of god/goddess Ganesh - Lakshmi should be set on North East corner.
2. Electric metre and Switch board should be in South East corner.
3. Almirah Showcase for file / register should be Western and Southern wall.
4. You should sit in office always North and East facing.