The sunken living room features many custom-made pieces, including the patterned chairs and large sofa. "We work with companies that we've had relationships with for many years," Simon says. The side tables are Noir, lamps are from Arteriors, while the cocktail table is from 1stDibs. "We wanted the look to be affordable but accessible and paired with vintage pieces," she says. "You want it to come together without looking like a West Elm Showroom and you run into issues when you buy things all from retail stores, so that's why you should pick pieces that fit the personality of the home."