✦ From NUM's directory · updated 2026-09-24

All 90 apartment buildings in Berlin, mapped.

NUM's directory maps 90 apartment buildings and serviced flats in Berlin — and the short version of why a legal holiday let in this city carries a registration number.

Where the concierge points people first

The rest of the apartment buildings in Berlin — every one we hold

A Berlin holiday flat needs a permit, and the listing should show it

Berlin restricts renting whole flats to tourists under its Zweckentfremdungsverbot, the law against turning housing into something else. A private holiday let generally needs approval from the district and a registration number that has to appear in the advert. If a listing for an entire flat shows no number, ask why. Aparthotels, serviced-apartment operators and boarding houses run as commercial businesses are a different case, which is one reason they dominate short stays here and many private flats want a month or more.

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