I disagree slightly on prioritising neighbourhoods. With a small multifamily sample, property-type mix may distort the snapshot before location does. Different unit counts and configurations should not automatically sit in one average. I would first show listing count, price bands and property...
The gross calculation works: QAR 54,936 annual rent divided by QAR 1,165,000 is about 4.7%. That is not much room for error. Before debating an acceptable net yield, get written clarification on whether any property tax or equivalent charge actually applies to this property and ownership structure.