A martini table adds a touch of brass that chimes with the new chandelier. Another of Hammatt’s go-to design hacks shifts the room’s feel from stodgy to welcoming. She tops old lamps ...

When Alison Hammatt first saw the 1929 Tudor home her clients had purchased in Rye, N.Y., the living room wasn’t really living. Brooding, deep-brown wood floors and a somber bronze chandelier at ...