For a high use space such as the front door, choose a gloss finish. Gloss is the most durable finish and is easily cleaned. Extreme weather changes affect any exterior surface and a gloss finish resists the wear and tear of the elements better than other finishes. Dirty hands, material bumps and accidental foot kicks will leave permanent marks on a satin finish. Choose an exterior paint with a gloss finish to get the best results.
Bathroom doors require a gloss finish. Although the shiny finish is not always desirable in an interior space, the gloss finish is necessary to withstand the chemicals and scrubbing for a sanitary space. Using a light paint color will reduce the glare of the gloss finish. A satin finish in any room with high moisture may result in a chalky powder build up on the door. Avoid this finish in these rooms.
Consider the location and use of all doors before choosing the finish. If the door is not a high use space, satin is an acceptable choice for a streamlined look. The finish will blend with the interior walls and draw less attention than a gloss. Kitchen pantry doors would do best with a gloss finish for easy cleaning and maintenance. Bedroom doors and other spaces look more inviting with a satin finish or more dramatic with a gloss.
Consider the condition of the door. Make certain the door is smooth and dent free, as a gloss finish will highlight imperfections. If gloss is needed, but too dramatic for the space, using a light color will reduce the glare and drama. Consider the current finish of the door. A door with high shine on the current finish will require either sanding and stripping or a solid coat of primer before painting.