Commercial to Residential (The 2028 Extension) Target: Vacant Shops (Class 1), Offices (Class 2/3), and Guesthouses (Class 6). Eligibility Criteria: Vacancy: Must be vacant for at least 2 years. Age: Structure completed before 8 February 2018. Scale: Max 9 residential units per structure. Mandatory Step: Notify the local authority in writing 2 weeks before works begin.