Here you can apply for approval in individual cases/project-related type approval. You need this if there is no general approval for a construction product.
You must notify the authority for urban development and housing, office for building regulations and building construction (ABH 33) of construction sites of a certain size at least two weeks before they are set up.
With this online service, you can apply for a special permit for the operation of noisy machines and devices on construction sites at night, as well as on Sundays and public holidays.
Are you planning to start construction that has already been approved or does not require approval, or to begin demolishing a building that requires notification? Then you must notify the relevant authority.
In order to obtain clarity about planning-relevant aspects of a construction project at an early stage, you can apply for a preliminary building permit.