Simple in a narrow hallway. White painted stairs make them appear wider and the grey runner is both practical and elegant. Seek out a slim console - vintage or modern - thats useful and decorative but not space-consuming.
STAIR IDEAS-- I love the idea of fairy lights along the banister. It gives a pretty effect and would be pretty for during Christmas time or a holiday season(this could also be used for all year round).
Entryway with gray stair rail and white ballusters. Tuftex carpet with Manningtons Restoration Collection laminate flooring in Black Forest Oak fumed. Benjamin Moore Kendal Charcoal front door with White Dove trim. Transom windows above door frames.