Job Recruitment Website - Property management company - Is it illegal to lengthen and widen the household fence?

Is it illegal to lengthen and widen the household fence?

If the property has requirements, it is not illegal, but it violates safety regulations. .

Because such a height is simply unqualified and unacceptable. The guardrail height of the balcony must reach the height of not less than1.05m required by the specification, otherwise the handover cannot be accepted.