# Output interpretation
| Feature | Example | Explanation |
| ----------------------------------------- | ---------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| post\_code | 1234AB | Zipcode |
| house\_number | 1 | House number |
| house\_addition | A | House number addition |
| build\_year | 2001 | Construction year |
| inner\_surface\_area | 151 | Square meters livable space |
| house\_type | vrijstaand | House type: '2 onder 1 kap', 'hoekwoning', 'tussenwoning', 'vrijstaand' or 'appartement' |
| installation | 4 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| wall\_insulation | 2 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| roof\_insulation | 2 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| floor\_insulation | 2 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| living\_room\_windows | 2 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| bedroom\_windows | 1 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| shower | 0 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| ventilation | 1 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| solar\_panels | 4 | see [Measures](/english/sustainability/sustainability-api/measures.md) |
| solarpanel\_watt\_peak | 212 | Solar panel watt peak performance per m2 |
| CO2 | 3084 | The total CO2 emissions (see [CO2](/english/sustainability/sustainability-api/co2.md)) |
| definitive\_energy\_label | A | Definitive energylabel from RVO's EP-online |
| definitive\_energy\_label\_type | NEN7120 | Norm on which the definitive energylabel is based |
| definitive\_energy\_label\_validity\_date | 2030-12 | Validity end date of the given definitive energylabel |
| definitive\_BENG2\_score | 125 | Definitive energylabel BENG2 score from RVO's EP-online |
| current\_estimated\_energy\_label | A | Current estimated NTA 8800 energylabel with respect to the input based on housetype, buildyear, inner surface area and estimated or given measures |
| current\_estimated\_BENG1\_score | 118 | Current estimated BENG1 numerical score |
| current\_estimated\_BENG2\_score | 128 | BENG2 numerical score of the current estimated NTA 8800 score |
| estimated\_gas\_usage | 2172 | Estimated gas usage (m3) per year |
| estimated\_energy\_usage | 2800 | Estimated electricity usage (kWh) per year |
| estimated\_city\_heating\_usage | 1300 | Estimated heat consumption (GJ) per year |
| measures\_method | 1 | statistical based on def. BENG2 or def. energy label = 1,
supplemented/determined with external sources = 2, based on building regulations = 3, based on user input = 4
|
#### Example output
```
{
"Output": {
"post_code": "2771DS",
"house_number": 87,
"house_addition": null,
"build_year": 1961,
"inner_surface_area": 131,
"house_type": "vrijstaand",
"installation": 4,
"wall_insulation": 0,
"roof_insulation": 2,
"floor_insulation": 2,
"living_room_windows": 1,
"bedroom_windows": 1,
"shower": 0,
"ventilation": 0,
"solar_panels": 0,
"solarpanel_watt_peak": 212,
"CO2": 5292,
"definitive_energy_label": "C",
"definitive_energy_label_type": "NEN7120",
"definitive_energy_label_validity_date": "2030-12",
"definitive_BENG2_score": null,
"current_estimated_energy_label": "C",
"current_estimated_BENG1_score": 146,
"current_estimated_BENG2_score": 211,
"estimated_gas_usage": 3147,
"estimated_energy_usage": 3686,
"estimated_city_heating_usage": 0,
"measures_method": 1
}
}
```
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.altum.ai/english/sustainability/nta-8800-energylabel-api/output-interpretation.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.