Renovation and modernization in municipal dwelling stock - External insulation of buildings
Part of Poland's Local Data Bank (Bank Danych Lokalnych, BDL), maintained by the Polish Central Statistical Office (GUS), providing yearly territorial statistics on external insulation (thermal modernization) works carried out on municipal dwelling stock. Data are archival and organized under the housing economy and municipal infrastructure subject group (P1977), covering territorial units from voivodship down to gmina level, each identified by TERYT codes. The dataset is accessible via the BDL API, allowing programmatic retrieval of historical figures for statistical analysis, regional comparison, and monitoring of building renovation and modernization activity across Poland's administrative divisions.HOUSING ECONOMY AND MUNICIPAL INFRASTRUCTURE › ARCHIVAL DATA. Local Data Bank (BDL) subject P1977: yearly territorial series for Poland (voivodship to gmina level), units keyed by TERYT ids.
Trust score
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Data schema (8 fields)
Click a field to see example values.
| Field | Type | Description |
|---|---|---|
| variable_idVariable id | string | GUS variable code identifying the specific measured series within subject P1977.GUS variable id selecting the measured series of subject P1977 (the n1/n2 dimension combination): 63913=dwellings in buildings being renovated [-]; 63912=dwellings directly affected by renovation [-]. |
| unit_levelUnit level | integer | Territorial aggregation level of the record, from country to gmina.Territorial aggregation level: 0=Poland, 1=macroregion, 2=voivodship (województwo), 3=region, 4=subregion, 5=powiat, 6=gmina. |
| year | integer | Reference year of the yearly data value.Reference year of the value (yearly series, back to 1995 for the oldest subjects). Filters server-side via the API's year parameter. |
| unit_idUnit id | string | 12-digit BDL territorial unit identifier code.12-digit BDL territorial-unit id (macroregion+voivodship+region+subregion+powiat+gmina+type digits). An equality filter pins the unit server-side (unit-parent-id). |
| unit_nameUnit name | string | Name of the territorial unit.Name of the territorial unit. |
| teryt_tercTeryt terc | string | TERYT TERC administrative code for the territorial unit.TERYT TERC territorial code derived from the unit id (2 digits = voivodship, 4 = powiat, 7 = gmina incl. type digit; empty for NUTS-only units). |
| value | number | Numeric value of the measured indicator for the unit and year.Numeric value of the measured indicator for the unit and year. |
| attr_idAttr id | integer | GUS attribute code flagging data quality or annotation status.GUS value-attribute id (data quality/annotation flag). |
Schema captured from bdl 6 days ago.
Query the data
Pick columns and a sort, then fetch a live preview straight from the source. Choose an API-filterable column (marked ▾) under “Where” to pick from its list of values.
Sample data (8 records)
| variable_id | unit_level | year | unit_id | unit_name | teryt_terc | value | attr_id |
|---|---|---|---|---|---|---|---|
| 63913 | 6 | 2003 | 011212001011 | Bochnia | 1201011 | 46 | 1 |
| 63913 | 6 | 2005 | 011212001011 | Bochnia | 1201011 | 0 | 0 |
| 63913 | 6 | 2007 | 011212001011 | Bochnia | 1201011 | 0 | 0 |
| 63913 | 6 | 2009 | 011212001011 | Bochnia | 1201011 | 0 | 0 |
| 63913 | 6 | 2003 | 011212001022 | Bochnia | 1201022 | 0 | 0 |
| 63913 | 6 | 2005 | 011212001022 | Bochnia | 1201022 | 0 | 0 |
| 63913 | 6 | 2007 | 011212001022 | Bochnia | 1201022 | 0 | 0 |
| 63913 | 6 | 2009 | 011212001022 | Bochnia | 1201022 | 0 | 0 |
Live sample captured at profiling time — values may have changed upstream.
Verification Status
Using the API
Configuration
- Base URL
- https://bdl.stat.gov.pl/api/v1/subjects/P1977
License
- ✓ Redistributable
- ✓ Attribution required
Query examples
curl -s 'https://bdl.stat.gov.pl/api/v1/data/by-variable/63913?unit-level=6&page-size=10&format=json&lang=en'Yearly values of variable 63913 (dwellings in buildings being renovated [-]) per territorial unit. Filters: unit-level=0–6, year=YYYY, unit-parent-id={12-digit unit id}; page-size ≤ 100. Anonymous limits: 5 req/s, 100 req/15 min.
Machine-readable & source
Embed this badge in a README or wiki — it always shows the latest verification state and quality tier.