The first Ina-Casa quarter in Rome, defined by Manfredo Tafuri as the "manifesto of architectural neo-realism and at the same time of the ideology of Ina-Casa first seven years", the mainly residential complex is composed of different building types, including tower houses (7 floors with 3 or 4 lodgings per floor), terraced (2 or 3 floors) and in line houses (mainly 4 floors) and 4 commercial buildings. In the wake of the feelings of enthusiasm for the post-war reconstruction and the desire to redeem the mistakes of the past, the district contemplates, as Ridolfi said, "various urban compositions, moved, articulated, such as to create welcoming and restful environments, with different views in every part ... where each building has its own physiognomy and every man finds his home without difficulty, feeling reflected in it his own personality". A proof that not always, or not completely, populist dreams become reality.

In the IACP Mangiagalli II neighborhood, an iconic social housing complex located in the historic northwest suburbs of the city, the buildings designed by Albini and Gardella reinterpret the established theme of the railing house in a modern way, where the stairs inserted in the facades are highlighted by perforated brick volumes and where the landings are designed to promote social interaction.

After the displacement in 1952 from the Sassi of Matera of the inhabitants, who lived there in conditions of extreme poverty, the city had to cope with a massive exodus, realizing popular quarters suitable for the transfer of about 2/3 of the population. Among these places, specially designed with the aim of preserving the historical values of relationship and proximity on which the popular society of the time was based, there is Borgo La Martella, strongly desired by Ludovico Quaroni and Adriano Olivetti. It is said that the first inhabitants who settled there were given a cow and a cart with rubber wheels, perhaps to make the transition from the peasant universe to a new urban dimension more acceptable.

The North Expansion Area, entirely made up of social housing, is divided into two residential areas commonly defined as "Zen 1" and "Zen 2", the latter characterized by architectural structures called "insulae". The urban area is plagued by established problems of environmental and social degradation, so much that authoritative voices have been raised (Massimiliano Fuksas) in favor of its demolition. Recently, participatory processes have been initiated by the University, the Municipality and residents to improve the supply of services and reduce crime.

Located in the area north of the railway that since the war has become the site of expansion of industrial and commercial activities of the city, the multipurpose complex was created to accommodate, in addition to services and commercial activities, mini-apartments for workers of the Livestock Market. The monolithic building, characterized by a marked horizontality accentuated by the alternation of reinforced concrete floors with those of dark brick plaster, soon became a "black hole" of degradation and crime. Starting from the beginning of 2000, the complex has been the object of a regeneration intervention aimed not only to heal the physical degradation but also to face the deep-rooted social conflicts of the area: the project has provided for the dimensional revision of the lodgings to guarantee a better usability, the settlement of cultural and educational associations, the requalification of the external public spaces.

The district, commissioned by the company Terni Acciaierie to replace the previous workers' village in order to increase the density of housing in the area, and only partially realized, is composed of four three-storey concrete buildings, with volumes articulated in steps that house 240 apartments, common terraces and roof gardens. The intervention has been the subject of a participatory process of historical importance that  involved designers, developers, residents called to express their voice, including the need for public and private green spaces, places for social life and separation between vehicle and pedestrian flows.

A maze of alleys winding among old fishermen's houses, a former Lazzaretto - now a cultural center - and a church crosses the southernmost district of the city, close to a marshy area near the lighthouse. The marginal position with respect to the urban fabric has contributed to stigmatize the area, populated mainly by assignees of public housing, as off-limits and socially dangerous, but Sant'Elia is a complex space and difficult to label, where the brutal harshness of reinforced concrete buildings coexists with the warm and lively character of the oldest village.