Timing the sale of your HDB flat for an upcoming Executive Condominium (EC) TOP requires careful planning. You need to ensure that a 5-year period has lapsed from the date of taking possession of your HDB flat to the date of application for a new flat. Additionally, if you are an ex-owner of an EC, you must wait out a 30-month period from the effective date of disposal of your previous EC before applying for a new HDB flat.
Make sure to align these timelines with the expected TOP date of the new EC to avoid any overlap or delays. Consulting with a real estate professional can also help you navigate this process smoothly.
Good luck with your sale and purchase!