water fell from 42 to 3.4 percent. A 1948 law permitted gradual, long-term rent increases for existing flats on the condition that part of the money was spent on repairs. According to John Ardagh, the law, "vigorously applied, was partly successful in its twofold aim: to encourage both repairs and new building." In 1974 an estimated 17% of the French population lived in a detached house, while 2% lived in an attached house, 78% in an apartment or flat, and 3% in other types of homes (trailers, mobile homes, etc.). In terms of amenities, in 1975 an estimated 20% of all houses were without a flush toilet, 1% without electric lighting, 34% without a fixed bath or shower and 3% without piped water. United Kingdom After World War II, a large percentage of British housing was single-family housing. Seventy-eight percent of housing in 1961 consisted of single-family homes, compared to 56 percent in the Netherlands, 49 percent in West Germany and 32 percent in France. In England and Wales in 1964, 6.6 percent of housing units had two or fewer rooms; 5.8 percent had seven or more rooms, 15.2 percent had six rooms, 35.1 percent had five rooms, 26.3 percent had four rooms, and 11.1 percent had three rooms. These figures included kitchens when they were used for eating meals. Fifty percent of 1964 housing had three bedrooms; 1.9 percent had five or more bedrooms, 6.2 percent had four bedrooms, 10.5 percent had one bedroom or none, and 31.3 percent had two bedrooms. A 1960 social survey estimated that 0.6 percent of households in England and Wales exceeded the statutory overcrowding standard; the 1964 percentage was 0.5 percent. In 1964, 6.9 of all households exceeded one person per room. The 1960 figure was 11 percent, with 1.75 percent having two or more bedrooms below the standard and 9.25 percent having one bedroom below the standard. This declined slightly by 1964 to 9.4 percent of households below the standard, with 8.1 percent having one bedroom below the standard and 1.3 percent having two bedrooms or more below the standard. According to local authorities in 1965, five percent of the housing stock in England and Wales was unfit for habitation. In 1974 an estimated 23% of the population of the UK lived in a detached house, while 50% lived in an attached house, 23% in an apartment or flat, and 4% in