---
title: "BBR version history for one BFE"
method: GET
path: "/v1/bbr/ejendom/{bfe}/historik"
---

# BBR version history for one BFE

`GET /v1/bbr/ejendom/{bfe}/historik`

## Request

- Base URL: `https://api.grundfast.dk`
- URL: `https://api.grundfast.dk/v1/bbr/ejendom/{bfe}/historik`
- Auth: one of:
  - HTTP bearer
  - API key in query parameter `token`

## Path parameters

- `bfe` integer, required

## Response `200`

OK

- BbrHistorik: Bitemporal version history: each current building's registration timeline.
  - `type` 'bbr_historik', required
  - `bfe_nummer` number, nullable, required
  - `bygninger` object[], required
    - `id` string, nullable, required
    - `versioner` object[], required
      - `registrering_fra` string, nullable, required
      - `registrering_til` string, nullable, required
      - `virkning_fra` string, nullable, required
      - `virkning_til` string, nullable, required
      - `bygningsnummer` number, nullable, required
      - `anvendelse` object, nullable, required: A translated code field: raw code + human-readable Danish label.
        - `kode` string, required
        - `tekst` string, required
      - `opfoerelsesaar` number, nullable, required
      - `om_tilbygningsaar` number, nullable, required: BBR field 209 as registered in THIS version — see EjendomRollup.
      - `antal_etager` number, nullable, required
      - `areal` object, required
        - `bebygget_m2` number, nullable, required
        - `samlet_bygningsareal_m2` number, nullable, required
        - `samlet_boligareal_m2` number, nullable, required
        - `samlet_erhvervsareal_m2` number, nullable, required
      - `materialer` object, required
        - `ydervaeg` object, nullable, required: A translated code field: raw code + human-readable Danish label.
          - `kode` string, required
          - `tekst` string, required
        - `tag` object, nullable, required: A translated code field: raw code + human-readable Danish label.
          - `kode` string, required
          - `tekst` string, required
      - `varme` object, required
        - `installation` object, nullable, required: A translated code field: raw code + human-readable Danish label.
          - `kode` string, required
          - `tekst` string, required
        - `opvarmningsmiddel` object, nullable, required: A translated code field: raw code + human-readable Danish label.
          - `kode` string, required
          - `tekst` string, required
        - `supplerende` object, nullable, required: A translated code field: raw code + human-readable Danish label.
          - `kode` string, required
          - `tekst` string, required
    - `afkortet` boolean, required
  - `afkortet` boolean, required
  - `meta` object, required
    - `kilde` string, required
    - `grundfast_version` string, required
    - `omfang` 'aktuelle_bygninger', required

## Other responses

- `400`: Error
- `401`: Error
- `402`: Error
- `404`: Error
- `429`: Error
- `502`: Error
- `503`: Error

---

[API](https://skmtc.dev/grundfast/apis/grundfast-api.md) · [All operations](https://skmtc.dev/grundfast/apis/grundfast-api/llms.txt) · [OpenAPI document](https://skmtc.dev/grundfast/apis/grundfast-api/revisions/ccef6e299bb5?raw)