Author: Photographs by Nick Johnson

For designer Thom Filicia, change can be good-even in an elegant Upper East Side prewar with exceedingly fine bones.

Architect Christopher Pagliaro turned this 90-year-old structure into a modern and fun family home.

Designer Ellie Cullman, honorary design chair for the Designer Showhouse on the Green (an 1834 Georgian that was remodeled in the mid-1800s into a Greek Revival) in Fairfield, discusses the joys and challenges of working on a showhouse. An enthusiastic advocate of historic homes, the designer also provides insights into the character, elegance and irreplaceable appeal of living in a home with a past.

Designers Alyssa Kapito and Vivian Muller discuss their Manhattan-based firm Kapito Muller, completing an Upper West Side apartment for a professional chef and details about their crisp and clean, yet approachable design.