At least once or twice a year, or more frequently as needed. In order to keep your outside space as fresh as possible, your balcony needs to be cleaned. Even while it might not require as frequent cleaning as indoors, it’s important to do it once each month to maintain everything organized. The deck and balcony surface especially drains and gutters must be cleaned to eliminate leaves and other debris, it also avoids clogging, and minimize the risk of water buildup issues.