Can you build a shed with an iron frame in the yard?

But where to take the exam is as follows:

Whether your house belongs to your hometown, that is, a residential building, is likely, because the management is not strict, you can build an iron shelf shed in the yard yourself;

If it is a conjoined villa or a stacked house, you may not be allowed to build a shed, because this property is managed, mainly depending on the way he manages it. Whether he is allowed to build his own shed will affect the overall beauty of the building.