
hauseigen
in-house
Belonging to a particular company, institution, or establishment, or produced, operated, or offered by it itself.
Das Restaurant ist berühmt für seine hauseigene Pasta.
The restaurant is famous for its in-house pasta.
in-house
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in-house
Belonging to a particular company, institution, or establishment, or produced, operated, or offered by it itself.
Das Restaurant ist berühmt für seine hauseigene Pasta.
The restaurant is famous for its in-house pasta.
The word is made up of 'Haus' (house) and 'eigen' (own). It literally means that something belongs to the 'eigenen Haus' (one's own house), with 'Haus' often standing for a company, hotel, or institution.
Das Hotel wirbt mit seinem hauseigenen Strand.
The hotel advertises its in-house beach.
'Hauseigen' (in-house) is almost always used as an adjective before a noun. Predicative use (e.g., 'Der Wein ist hauseigen' — the wine is in-house) is rare and often sounds unnatural.
Wir nutzen den hauseigenen Lieferservice des Supermarkts.
We use the supermarket's in-house delivery service.
Common combinations are 'hauseigene Produkte' (in-house products), 'hauseigener Parkplatz' (private / on-site parking lot), 'hauseigene Bäckerei' (in-house bakery), or 'hauseigene Marke' (in-house brand). It often describes a special service or an exclusive offer.
Gäste können den hauseigenen Pool kostenlos benutzen.
Guests can use the in-house pool free of charge.
internal
Both words can refer to an organization. Hauseigen emphasizes that something belongs to the organization or is produced or offered by it itself, while intern describes its use or validity within the organization. Hauseigen fits the origin; intern fits the internal use.

Die neuen Regeln stammen aus einem hauseigenen Handbuch der Firma.
The new rules come from an in-house company handbook.
Die neuen Regeln gelten zunächst nur intern für alle Beschäftigten.
The new rules initially apply only internally to all employees.