Double L Kitchen . This type of layout can only be used in larger, open kitchens. The legs of the l can be as long as you want, though keeping them less than 12 to 15 feet will allow you to efficiently use the. Pin by Christi Moisant on Hampton Design Portfolio Interior design from www.pinterest.ca The legs of the l can be as long as you want, though keeping them less than 12 to 15 feet will allow you to efficiently use the. A few weeks ago we gave an overview of 6 popular countertop layouts. Videos you watch may be added to the tv's watch history and influence tv.