vastu for independent house

we will buy/rent a indipendent house  Generally we think that is 2 bedroom  or 3 bedroom,common toilet or interiors or cost….etc but these are not necessary in Vastu shastra.if any vastu mistakes in that house its effects us  after 2 months or after 3 months or at least 6 months. So  People should check the basics vastu principles or consult good vastu expert. Don’t construct any in our compound wall corners like worker’s room,driver’s room,common toilet….etc. other way to construct this type of outside room.