In-laws, Outlaws, and Granny Flats: Your Guide to Turning One House into Two Homes

Create a second home under your own roof—whether for family, income, or independence.

Accessory Dwelling Units (ADUs)—also known as in-law suites, granny flats, or backyard cottages—are transforming how families live, age, and thrive together. This comprehensive guide shows you how to turn one house into two homes with smart design, practical planning, and real-life inspiration.

From attic and basement conversions to garage makeovers and backyard builds, this book explores every type of second-unit solution. With over 200 color photographs and 50 floor plans, it offers a visual feast of possibilities, plus expert advice on zoning, layout, privacy, and construction.

Whether you're housing aging parents, welcoming adult children, or creating a rental for extra income, this book helps you design a space that’s functional, beautiful, and emotionally rewarding. Written in a warm, accessible voice by a veteran home design expert, it’s the go-to resource for anyone ready to make their home work harder—and live better.

Includes:

• Step-by-Step Planning Guides: Covers the entire process of adding an accessory dwelling unit (ADU), from initial planning to final touches.
• Legal & Zoning Insights: Explains essential regulations, permits, and zoning considerations to keep your project compliant.
• Cost-Effective Solutions: Offers budget-friendly design tips and materials to maximize space and minimize costs.
• Flexible Designs for Any Home: Features adaptable layouts and design inspirations to suit any style or household need.
• Eco-Friendly & Sustainable Tips: Includes advice on green building materials and energy-saving practices for a more sustainable space.

Michael Litchfield has been renovating houses or writing about them for more than 40 years. During that time he has been a founding editor of Fine Homebuilding magazine, the author of 12 acclaimed books on home design and renovation, and editor of a CNET/Yahoo! Gold Star home improvement site. He is also a certified green building professional.