Get the master bedroom you've always wanted by carefully considering views, access to the outdoors and more

Lack of good flow once made this midcentury home a headache to live in. Now it’s in the clear

With the feel of a boutique hotel, a contemporary third-floor addition gives the grownups some welcome space in a family home in Canada

Double-height glass solves a host of the problems that plagued the previous add-on in this Washington, D.C., bungalow

Learn how an extra story will change your house and its systems to avoid headaches and extra costs down the road

Patience and an eye toward longevity were key in building this open-concept DIY addition to a southern Utah home

Graphic tiles, wood accents, modern furnishings and a new second story help elevate a dated interior and layout

A Melbourne home expands out and up with rooms that emphasize indoor-outdoor and open-plan living

An Australian beach house in a tropical setting expands beautifully for a family of 6

Adding a kitchen and dining area in back creates an open, peaceful living space with garden views