• Type of survey: continuous monthly survey.
  • Base year: 2021.
  • Population scope: units that carry out an economic activity included in section F Construction of CNAE-2009.
  • Geographical scope: the whole national territory.
  • Sample size: 3,600 companies.
  • Data collection: monthly, value of turnover disaggregated by economic activity and broken down by market, value of subcontracting and of the change in inventory of work in progress and completed works.
  • Collection method: completion of the questionnaire by the respondent using one of the following methods: internet (IRIA system), email, fax, telephone or by post.
Last date of update of the methodology
12/03/2026

Methodological documents