sentences:  For his private houses, Gwynne developed a close-knit set of clients that included his builder, Leslie Bilsby, for whom he designed three houses, and his quantity surveyor, Kenneth Monk.These houses mark the height of 1960s life style, many designed as a series of connecting rooms that could be thrown together for parties, and with built-in dressers and drinks cabinets.Televisions and gramophones were cleverly concealed, and in one house were hinged within the wall to serve different rooms.