1.1. Contact organisation
INSEE - The French National Institut for Statistics.
1.2. Contact organisation unit
The Housing and Wealth Division belongs to Department of Household Resources and Living Conditions.
Department of Household Resources and Living Conditions belongs to Directorate of Economic and Social Statistics, one of the central directorates of INSEE
1.3. Contact name
Confidential because of GDPR
1.4. Contact person function
Confidential because of GDPR
1.5. Contact mail address
88 Avenue Verdier CS 70058 92541 MONTROUGE CEDEX FRANCE
1.6. Contact email address
Confidential because of GDPR
1.7. Contact phone number
Confidential because of GDPR
1.8. Contact fax number
Confidential because of GDPR
2.1. Metadata last update
6 November 2025
2.2. Metadata last certified
6 November 2025
2.3. Metadata last posted
6 November 2025
3.1. Data description
HPIs give comparable measures for changes in the prices of dwellings. They are calculated according to a harmonised approach and a single set of definitions.
3.2. Classification system
Index numbers and weights sent to Eurostat are available at the level of detail established by the harmonised indexes of consumer prices and housing price index Commission Implementing Regulation (EU) 2023.
Level of detail for the classification in the national HPI series: each quarter, data concern all dwellings, new and used ones (apartments and houses).
3.3. Coverage - sector
All dwellings, except for newly built dwellings from building programs of 1 to 4 units which are not covered. These account for less than 5 % of the total number of dwellings transactions in 2015.
3.4. Statistical concepts and definitions
HPI data for the purchases of newly built and existing dwellings are compiled on the basis of full transaction prices. The HPI covers all transactions of dwellings made by households regardless of their final use. The weights for the two sub-indices are equal to the total value of dwelling transactions for newly built and existing dwellings, respectively. Both prices and weights include land value, as recommended by the Technical manual on Owner-Occupied Housing and House Price Indices (2017).
3.5. Statistical unit
Dwelling transaction.
3.6. Statistical population
Dwelling transactions in a member state.
3.7. Reference area
French HPI covers Metropolitan France, excluding overseas areas.
Regional breakdown in national HPI: Only available for existing dwellings.
3.8. Coverage - Time
Data are available from: 1992Q1 for used dwellings in Île de France, 1994Q4 for existing dwellings in the other French regions and from 2000Q1 for newly built dwellings.
3.9. Base period
Index figures base period is the average of 2015 (=100).
Index numbers (current reference year: 2015).
Quarterly.
6.1. Institutional Mandate - legal acts and other agreements
Legal acts and other agreements - EU level :
Commission Implementing Regulation (EU) 2023/1470.
EU Regulation 2016/792 provides for the quarterly transmission of HPI data by 85 days after the end of the quarter and of the annual weights by 15 June of year following the year to which the weights relate.
Legal acts and other agreements - national level :
Real estate transactions are carried out before a notaries, a State-appointed public officer. Concerning used dwellings, the data are supplied by notaries. For new dwellings, price indexes are computed by Insee from real estate transactions as they are collected by a large quarterly survey conducted by the statistical service of the French Ministry of Territorial Cohesion.
Access to administrative data:
No legal requirements.
6.2. Institutional Mandate - data sharing
Not applicable.
7.1. Confidentiality - policy
Data are published up to the level of detail described in the HPI Regulation.
7.2. Confidentiality - data treatment
Not applicable.
8.1. Release calendar
The French HPI is published according to Eurostat's schedule.
Time horizon of the schedule: See point 8.2 below. The schedule is available on Eurostat’s website.
8.2. Release calendar access
8.3. Release policy - user access
Scope of dissemination: Data are published without any restriction to all public.
Users are informed about data release by a press release (see point 8.2).
Data dissemination is made for everyone at the same hour, the same day.
Quarterly for the indexes and annual for the weights.
10.1. Dissemination format - News release
Quarterly publication in 'Information rapide'.
10.2. Dissemination format - Publications
Indices of existing dwellings prices are also published on their own (Statistics and studies | Insee).
10.3. Dissemination format - online database
Macro-economic database (BDM) where you can view, download and manage all series covering the main economic and social domains for France. All these series are updated in real time.
- Statistics and studies | Insee;
- Series Price indices of the new housing and indicate Solicitors-Insee of the price of the old housing | Insee.
10.4. Dissemination format - microdata access
Delivered on request by notaries.
10.5. Dissemination format - other
No change expected in near future.
10.6. Documentation on methodology
Summary documents providing HPI methodology is available at: Series Price indices of the new housing and indicate Solicitors-Insee of the price of the old housing | Insee (only in French).
Methodology of existing dwelling indexes provided at: les indices Notaires-Insee des prix des logements anciens Méthodologie v4 | Gallica (only in French).
Methodology of newly built dwelling indexes provided at: La construction d'un indice des prix des logements neufs | Gallica (insee.fr) (only in French).
10.7. Quality management - documentation
Not yet available.
11.1. Quality assurance
All data are checked for completeness and consistency according to the statistical concepts and definitions. The quality of the HPI index is routinely reviewed using a framework that is based on the OOH technical manual and the European Statistical System (ESS) definition of quality.
11.2. Quality management - assessment
The quality of the HPI index is routinely reviewed using a framework that is based on the Technical manual on Owner-Occupied Housing and House Price Indices and the European Statistical System (ESS) definition of quality. No certification has been yet defined in order to ensure the quality of indexes.
12.1. Relevance - User Needs
Professionals and journalists.
12.2. Relevance - User Satisfaction
No user enquiry has been done yet.
12.3. Completeness
All relevant expenditure categories defined in the HPI and OOHPI implementing Regulation.
13.1. Accuracy - overall
The HPI is seen to be accurate and it reflects well the overall behaviour of the housing market.
13.2. Sampling error
No sampling: the databases are conceptually exhaustive. Exception, see 13.3.
13.3. Non-sampling error
Coverage rates, scale of revisions, numbers of deeds taken into account, time taken to incorporate deeds into the databases are monitored for existing dwellings indexes, see les indices Notaires-Insee des prix des logements anciens Méthodologie v4 | Gallica (only in French).
14.1. Timeliness
Data are sent according to HPI regulation: 85 days after the end of the reference period (indexes) and no later than June 15th of the year following the reference year (weights).
14.2. Punctuality
Data are sent according to Reg. 2020/1148 : 85 days after the end of the reference period regarding indexes and no later than June 15th of the year following the reference year regarding weights.
15.1. Comparability - geographical
Only one overall index is given for France (regional sub-indices are available for the existing dwellings).
15.2. Comparability - over time
Data are comparable since 2000Q1.
15.3. Coherence - cross domain
Coherence of HPI with available external data on the housing market: No study has been made on this matter.
15.4. Coherence - internal
All figures are checked for internal consistency.
Several units contribute to the compilation of house price statistics, not only statisticians from Insee. It entails in particular a partnership with the French notaries association.
17.1. Data revision - policy
HPI data are revisable.
17.2. Data revision - practice
A quarter is usually revised and deemed as definitive with the publication of results for the next quarter.
18.1. Source data
See below.
18.1.1. Prices
Existing dwelling price indices are compiled using an administrative data source (notaries’ databases). For new dwellings, index numbers are computed using a survey.
18.1.2. Weights
Weights are based on fiscal data, the notaries bases and surveys run by the Ministry of Territorial Cohesion.
18.1.3. Source data - House Sales indicators
From the fourth quarter of 2021, transaction volumes and values for existing dwellings are based solely on notarial database (the Base des Références Immobilières (BRI), excluding Alsace-Moselle, one French territory where notarial data remain incomplete and still require tax adjustments. In fact, from September 2021, the notarial databases became almost exhaustive due to the compulsory electronic transmission of deeds.
Previsouly, tax adjustments used to be applied to the notarial database to the whole country.
There is a slight discontinuity in the fourth quarter of 2021. Nevertheless, the revised and previous data series follow similar trends thereafter.
18.2. Frequency of data collection
Notaries data for existing dwellings are collected continuously. Data for new dwellings are collected quarterly.
18.3. Data collection
Collection details: see previous concepts.
18.4. Data validation
For newly built dwellings, validation of the data collection by the collector (the Ministry of Ecological Transition and Territorial Cohesion) including checks for aberrant values + excluding outliers from the model. For existing dwellings, data editing is performed by the collector (notaries) and missing values can be imputed for some variables.
18.5. Data compilation
See below.
18.5.1. Calculation and Aggregation
See below.
18.5.1.1. Index formulae
HPI is a Laspeyres-type price index.
18.5.1.2. Aggregation method
The two indices (new and existing dwelling indices) are aggregated by means of weights derived from the global amount of transactions (in values) each of them represents.
18.5.1.3. Derivation of sub-index and elementary aggregate weights
The HPI weights of year Y are based on dwelling transaction values Y-1 (new and existing sector) (gross concept applied, weights data include the value of land).
The weights for each category of dwellings (newly built and existing) are defined by their respective shares in the acquisition by households during the year Y-1.
Frequency of updating the weights: Yearly.
18.5.1.4. Price updating
Weights are price updated every year to the fourth quarter of the previous year, as requested in the usual methodology.
18.5.1.5. Chaining and linking method
Every sub-index (existing and new dwelling indices) are chained on a yearly basis using the fourth quarter of the previous year.
18.5.1.6. Compilation of sub-indices
Hedonic models for both indices.
18.5.1.6.1. Hedonic method
The model for newly built dwellings has not been revised since its development.
The model for existing dwellings is revised every five to ten years.
Hedonic models and their exact specification depend on the type of dwellings and their observable characteristics. A description of these models may be found:
- for existing dwellings, in documentation on methodology − Price index for second-hand dwellings | Insee;
- for newly built dwellings, in new or old, why would housing price indices differ? – Journées de Méthodologie Statistique (insee.net).
18.5.1.6.2. SPAR method
Hedonic methods are used for estimating price indices, both for existing and new dwellings.
18.5.1.6.3. Stratification
Geographical stratification is performed over the national territory, so as to end up with more than 300 strata broken down between houses and apartments.
18.5.2. Other processing issues
See below.
18.5.2.1. Timing for pricing
For existing dwellings, it is at the transfer of ownership (signature of the sale in front of a notary). For new dwellings, it is at the first binding contract (reservation of a dwelling including a deposit).
Transaction are registered in the databases when the deeds are signed. Indexes are computed with the registered transaction.
18.5.2.2. Treatment of VAT
VAT is included in the price of new dwellings.
18.5.2.3. Treatment of other taxes
Taxes other than VAT are not included in the price of dwellings.
18.5.2.4. Treatment of government subsidies
Government subsidies are not taken into account. They are negligible in terms of weights.
18.5.2.5. Treatment of land
The price of land is included in both prices and weights.
18.5.2.6. Housing cooperatives
Housing cooperatives are not covered in the HPI.
18.5.2.7. Treatment of non-market transactions
Excluded.
18.5.2.8. Treatment of multi-object transactions
Multi-object transactions are excluded from the computation when the price cannot be divided between the different objects through data editing.
18.5.2.9. Treatment of fractional transactions
Fractional transactions are also excluded.
18.5.2.10. Outliers detection
A procedure of outliers is set in place and gives place to data editing when considered necessary for both sources.
18.5.2.11. Treatment of incomplete data source coverage
Before Q2 2021, a procedure of reweighting was performed on existing dwellings data. It is not necessary anymore.
18.6. Adjustment
No adjustments other than quality adjustment are applied to the HPI data.
None.
HPIs give comparable measures for changes in the prices of dwellings. They are calculated according to a harmonised approach and a single set of definitions.
6 November 2025
HPI data for the purchases of newly built and existing dwellings are compiled on the basis of full transaction prices. The HPI covers all transactions of dwellings made by households regardless of their final use. The weights for the two sub-indices are equal to the total value of dwelling transactions for newly built and existing dwellings, respectively. Both prices and weights include land value, as recommended by the Technical manual on Owner-Occupied Housing and House Price Indices (2017).
Dwelling transaction.
Dwelling transactions in a member state.
French HPI covers Metropolitan France, excluding overseas areas.
Regional breakdown in national HPI: Only available for existing dwellings.
Quarterly.
The HPI is seen to be accurate and it reflects well the overall behaviour of the housing market.
Index numbers (current reference year: 2015).
See below.
See below.
Quarterly for the indexes and annual for the weights.
Data are sent according to HPI regulation: 85 days after the end of the reference period (indexes) and no later than June 15th of the year following the reference year (weights).
Only one overall index is given for France (regional sub-indices are available for the existing dwellings).
Data are comparable since 2000Q1.
