# COSMO Hotel Berlin Mitte, Berlin

Roost Score **8.40/10**, from a guest rating of 8.8
across 3,947 reviews. 20 September 2026.

| Component | Value |
|---|---|
| Guest rating as published | 8.8 |
| Reviews behind it | 3,947 |
| Country mean | 8.328 |
| After evidence weighting | 8.794 |
| Country re-basing weight | 0.3 |
| **Roost Score** | **8.40** |

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Source: HotelRoost — https://hotelroost.com/hotels/germany/berlin/cosmo-hotel-berlin-mitte
Retrieved: 20 September 2026
Scoring method: /methodology