Industrial designer Nina Tolstrup and her husband, Jack Mama, designed this playful guesthouse just opposite their home in London’s Bethnal Green.  Photo 1 of 10 in Once an Aging Carpenter’s Shop, It’s Now a Colorful 485-Square-Foot Guesthouse

Once an Aging Carpenter’s Shop, It’s Now a Colorful 485-Square-Foot Guesthouse

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Industrial designer Nina Tolstrup and her husband, Jack Mama, designed this playful guesthouse just opposite their home in London’s Bethnal Green.