No case. See HDB InfoWEB Flat http://www.hdb.gov.sg/fi10/fi10322p.nsf/w/SellFlatAppointments?OpenDocument Inspection by Branch Office Prior to the First Appointment, the resale flat must be inspected by Technical Officers from HDB's Branch Office to check for any unauthorised renovation. The seller will be informed of the inspection date in the Letter of Appointment. The purpose of the inspection by the Branch Office is to check for unauthorised renovation works in the resale flat which may damage HDB property and affect the structural stability of the flats/building. The inspection is not to ascertain the value of the resale flat, the condition and safety of the renovation works or compliance with any legislation in respect of any installation of fittings/fixtures in the flat eg. window legislation.