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Study and detection of residential vulnerability areas in the city of Barcelona

This research aims to develop a system that should serve to know the socio-spatial characteristics of the residential space in different neighborhoods and sectors of the city. It is a question of building an array of geospatial information that includes sociodemographic, socioeconomic, urban planning and housing status, sufficient to establish a differentiation measure relative to the degree of residential vulnerability of some neighborhoods with respect to, in order to seek balance measures between them. It is based on the data of the general statistics complemented with the data of the city council as well as other entities, which provide a very accurate information of the city.

The proposal is an advance in the effort to operationalize the concept of vulnerability and make it measurable and analytical. With this objective, the AVU elaborates a proposal for dimensionalization of the concept that includes four major dimensions or basic axes: sociodemographic, socio-economic, residential and, finally, subjective vulnerability.


Socio-economic indicators

Residential exclusion

      • Aid to pay the rent
      • Evictions
      • Aid of a specific nature

Economic deficits

      • NC pensions or disability
      • Family Income Index Available


      • Population stopped
      • Unqualified workers

Socio-spatial indicators


      • Population of non-EU nationality
      • High rates of internal migration
      • Low rate internal migration


      • Child population index
      • Index of aging
      • Index of over-aging
      • Mortality from respiratory diseases

Housing density

      • Number of inhabitants by house
      • Surface of houses by inhabitant
      • Population density
      • Density of houses

Urban indicators


      • Average surface of the houses
      • Antiquity of buildings
      • Middle category of residential use

Buildings at risk

      • Ruined, bad or poor condition of apartment buildings
      • Building type


      • Buildings of 4 or more floors without lift

Rehabilitation activity

      • Buildings> 40 years without rehabilitation requests
      • Interior conservation records
      • Records of conservation of facades
      • Buildings> 40 years without building records

Energy efficiency

      • F or G rating of energy efficiency

Socio-urban indicators


      • Officially protected housing applicants
      • Purchase housing with outstanding payments
      • Rental housing
      • Cadastral value
      • Property structure
      • Type of owner

Urban activity

      • Ground floor premises empty
      • Ground floor premises for retail trade



In summary, the purpose of this research is to address the socio-spatial dimension, which helps to define an area of interest for intervention in the context of the city's Barriers Plan, which means addressing different aspects of the structure Socio-social, in its different scales of city and neighborhood, as well as in the many urban, environmental, urban planning, housing and socioeconomic topics.

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