SINGAPORE – Owners of penthouse units in Haig Avenue who had put up unauthorised structures on their rooftops will be given time to regularise or remove them after inspections by the authorities found no structural safety issues. The case involves eight penthouses at two private residential developments – Rose Maison and EiS Residences – where rooftop structures such as glass-enclosed spaces, roof extensions and windowed rooms had been brought to the attention of the authorities. Inspections beg