---
title: "/properties/{bfe_number}/energy-label"
method: GET
path: "/v1/properties/{bfe_number}/energy-label"
tags: ["Properties"]
---

# /properties/{bfe_number}/energy-label

`GET /v1/properties/{bfe_number}/energy-label`

## Request

- Base URL: `https://api.companydata.dk` (the document declares no server; this is the origin it was published from)
- URL: `https://api.companydata.dk/v1/properties/{bfe_number}/energy-label`
- Auth: HTTP bearer

Energy labels (energimærker) for a property from Energistyrelsen's
EMOData service. Looked up on first request and cached; refreshed
nightly from EMOData's changelog. `classification` is the current
headline label; `labels` includes expired labels for history.

## Path parameters

- `bfe_number` integer, required

## Response `200`

Successful Response

- PropertyEnergyLabelResponse: Energy labels for a property (EMOData lookup, cached on the property).
  - `version` integer, required
  - `source` string, nullable: bfe or bbr lookup path
  - `classification` string, nullable: Current headline label
  - `valid_to` string, nullable
  - `label_count` integer
  - `labels` EnergyLabelItem[]
    - `serial` string, required
    - `classification` string, nullable: A2020/A2015/A2010/B..G
    - `status` string, nullable: VALID/EXPIRED/...
    - `valid_from` string, nullable
    - `valid_to` string, nullable
    - `type_usage` string, nullable
    - `based_on` string, nullable
    - `demo_link` string, nullable: sparenergi.dk deep link
    - `buildings` EnergyLabelBuilding[]
      - `number` string, nullable
      - `use_code` string, nullable
      - `year_built` string, nullable
      - `heat_supply` string, nullable
  - `assessed_at` string, date-time, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/companydata/apis/companydata-dk-api.md) · [All operations](https://skmtc.dev/companydata/apis/companydata-dk-api/llms.txt) · [OpenAPI document](https://skmtc.dev/companydata/apis/companydata-dk-api/revisions/1cc6c361ae64?raw)