During the height of ancient Rome, many residents faced precarious living conditions in overcrowded quarters known as insulae, which were the earliest forms of apartment buildings. These structures helped accommodate a burgeoning population, but they also presented significant risks, including the threat of fires and structural collapses.
Historical references, such as the epitaph of an ex-slave named Ancarenus Nothus, highlight the extreme challenges of Roman tenement life. His inscription humorously narrates: “My body knows no longer hunger . . . now it is no longer [paying] deposit on the rent, but enjoys for free an eternal lodging.” This reflects the harsh reality that many faced, where relief from rent often only came with death.
In contrast to the luxurious villas reserved for the wealthiest citizens, everyday life in Rome involved cramped spaces and noise pollution. Most residents lived in small rooms called cellae, with entire families sharing these tight quarters. Streets surrounding these buildings bustled with commercial activity, as shops typically occupied the ground floors. The layout inverted the modern concept of penthouses: wealthier tenants preferred the lower floors for easier access, while the poorer families ascended to the upper levels where conditions were poorer and rents cheaper.
By the late antiquity period, there were over 44,000 insulae recorded in Rome, compared to fewer than 2,000 individual private homes, suggesting a significant portion of the population, which possibly reached a million by the 2nd century CE, lived in these apartment complexes. Urban density became a necessity partially due to the influx of migrants drawn by jobs and the promise of free grain distributions initiated during Augustus’ reign.
Architect Vitruvius recognized the need for increased housing in such a vastly populated city, stating, “With the present importance of the city and the unlimited numbers of its population, it is necessary to increase the number of dwelling-places indefinitely.” Roman advancements in materials, particularly concrete, enabled builders to erect these tall structures rapidly, despite lacking modern plumbing and elevator systems.
However, the crowded living conditions posed risks. The threat of fire loomed large, as cooking flames and narrow streets heightened vulnerability. To address this, Emperor Augustus established the vigiles, Rome’s first fire brigade, following incidents of significant fires. Upgrades in building codes aimed to enhance safety, particularly after the infamous Great Fire of 64 CE during Nero’s reign.
Apartment life in Rome removed many notions of privacy. While windows existed, they were often unglazed, and running water was scarce on upper floors. Tenants relied on public fountains and often purchased food from thermopolia, Roman fast-food establishments, as they lacked the capacity to cook at home. Furthermore, sanitation was a common issue: chamber pots were the norm, with some residents tossing waste from windows, leading to legal recourse for those injured by falling debris.
In contrast to Rome, the port city of Ostia showcased a comparatively improved version of apartment living, with better-preserved structures that demonstrated the potential for sophistication in Roman urban housing. The House of Diana, a notable apartment building in Ostia, illustrated how some residents enjoyed proximity to shops, worship, and social spaces.
Though the insulae represented necessary urban housing solutions, they also encapsulated the complexities of life in a vast ancient city. The Romans understood early that accommodating a large population required innovative, vertical living arrangements. Yet, the challenges of cramped quarters, safety hazards, and sanitation issues remain relatable in the context of contemporary urban living.


