Despite rapid development in urban infrastructure, colonial Cambodia also saw turmoil under the French rule, especially during WWII. This led to the surge of the independence movement with Prince Norodom Sihanouk credited as the head of state. In 1953 after gaining full independence, Sihanouk sought to reimagine Khmer society, one that put heavy emphasis on modernity, commonly known as “Sangkum”.
One way to exemplify this approach was through architecture. Driven by the prince’s ambition and pioneered by a group of foreign-trained contemporary architects (ie. Vann Molyvann, Lu BanHap, etc.), “New Khmer Architecture” was conceived. This approach blended the modernist movement of the time with traditional Khmer elements. The 4 main characteristics of New Khmer Architecture: modern material (reinforced concrete), additional revisions of stilt homes, redesigns more suitable for the tropical climate, and incorporation of Angkorian ornaments. This new architecture quickly spread throughout the country and can be found in both public and residential buildings.
To address population growth and housing demands, a new public housing scheme was introduced to the masses. The conventional shophouse typology was revamped into Western-style apartment blocks with public staircases, lifts, walkways, leisure facilities, and most notably, public courtyards. The ground floors, which helped facilitated commercial trade, was retained in urban city centers. In the quieter residential areas, private villas took on a modernized approach along with a stylistic shift. The opening of a national cement plant made concrete a more accessible material in rural areas. Additional masonry structures below stilt houses and more hygienic bathrooms became popular add-ons. In the early 1960s, another house typology was introduced as state-funded public housing. These mid-rise "co-living" housing blocks essentially represented Cambodia's interpretation of Western-style social housing.
However, Sihanouk's vision of modern Cambodia only lasted for 15 years as his rule came to an abrupt end in 1970 when Cambodia was entangled with Cold War geopolitics.