MAD HOUSE In a family home near London, designers Salvesen Graham didn’t want any room too perfect—in the British country-house tradition. Photo: Simon BrownAN ALMSHOUSE is, historically, a place of refuge where all are welcome, which is an excellent ethos for a warm and comfortable family home. Constructed to provide housing for rotating guests, the structure outside London comprised a row of rooms, with a chapel at the end. At the same time, the series of idiosyncratic and colorful rooms that would reflect the client’s “bubbly, vivacious and really fun” personality had to somehow cohere. A few of the unifying aesthetics: From a richly floral Josef Frank fabric on the family-room sofa to the blush-painted cabinets in the kitchen, “fresh, bright and breezy pinks and reds thread the property,” said Ms. Graham.

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