Deep cleaning is a top to bottom, extensive and complete cleaning which you can follow up with normal or more routine cleaning tasks
Deep cleaning entails moving all your things and moving the home furniture to clean under it. Anything is touched, all the way from the top of the ceiling, down to the base board and the floor. Anything from the top to bottom and in between is scrubbed until it is free of dirt and particles and shines like new.
Even the most cared home needs an periodic deep-cleaning