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Facebook Twitter A detached bedroom, such as this one in St. Petersburg, Florida, contains a bathroom but no kitchen. It can provide housing for a loved one or serve as a home office or


guest cottage. Photo by Historic Sheds


Bertha and her son John talked about someday buying a house with a mother-in-law suite. “Then one day someone came along and wanted my house, so I up and sold it,” she explains. “But that


left me homeless. I asked John if I could build a small house in his backyard and he agreed.”


CREATIVE THINKING: A detached bedroom is a permanent, accessory structure that, unlike ADUs, lacks a kitchen. But that’s what makes these cabin-like homes more affordable to build than many


ADUs and even tiny houses.


WHAT’S INSIDE: Bertha’s home contains a sleeping and living area and a full bathroom. “I paid for the little house and it’s on my son’s property. So I figured, if I’m cooking I can do it at


my son’s house,” she says. (Her laundry is also done at his house.)


REAL LIFE: “Having access to my son’s house makes it livable. Otherwise, I personally would not be happy. It’s very comforting to know that John is close by. Hopefully this will be my home


forever.”


Design: Historic ShedsBuilder: Historic ShedsCost to Build: $50,000 in 2017

While not technically ADUs, tiny houses can serve similar purposes Photos by Guillaume Ditilh, PhotoXplorer


Because tiny houses — such as the 100-square-foot- "Lucky Penny," pictured — are build on a trailer with wheels rather than on a fixed foundation, they are typically classified as


recreational vehicles (RVs) rather than permanent residences. Although tiny homes are usually smaller than 400 square feet, many of them do contain a kitchen and bathroom.


Designer and Builder: Lina Menard, Niche Consulting


Article adapted from “ADU Case Studies” by Lina Menard on AccessoryDwellings.org and The ABCs of ADUs by AARP.


MORE ABOUT ACCESSORY DWELLING UNITS

Visit AARP.org/ADU for links to more articles and to order AARP's free publications about accessory dwelling units.  


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