Read on to understand the 4 year rule…   Certificate of Lawfulness of existing use or development,and the 4 Year Rule   An application for a Lawful Development Certificate is to officialise an unauthorised use or development, and to offset pending council action either to reverse the development or cease the use. These are retrospective applications and can be made via obtaining the form LDC1 from your LPA. If you have done a flat conversion to your house and rented them for over 4 years, you can legalise this development with a Certificate of Lawfulness of existing use or development, as per the 4 Year Rule. We can help you avoid the 4 year rule planning enforcement. Follow the link for your free quote.   Do I need a Lawful Development Certificate? Obtaining a Certificate of Lawfulness of existing use or development is a good move because you can use the fullness of time to apply to continue your use … Continue reading Certificate of Lawfulness, and the 4 Year Rule