Hotel House K21 sits in Sofia, Bulgaria, just 0.7mi from the city center. The address is 21 улица „Христо Ковачев“, placing this hotel in a lively, easy-to-get-to part of the capital. Breakfast is available to start the day, making mornings a breeze before exploring the streets and sights.

Inside, free WiFi keeps connectivity easy, and soundproof rooms plus air conditioning promise restful stays. The property offers a bar, room service, non-smoking rooms, and a garden for a relaxed vibe. Parking options include private parking and on-site parking, both with extra charges, and pets are welcome with extra charges.

With 1,149 reviews, guest impressions reflect a range of stays in Sofia.

Starting mornings right, breakfast is available to fuel adventures in Sofia. Free WiFi keeps connectivity easy, and soundproof rooms plus air conditioning promise restful stays. The vibe includes a bar for a nightcap, room service for convenience, non-smoking rooms, and a garden for a relaxed, leafy pause after a day of exploring.

Parking makes arrivals simple with options for private parking and on-site parking, both with extra charges. Pets are welcome with extra charges, and payment is flexible, with cash accepted and the option to use Visa, Mastercard, or Maestro. On the guest side, the hotel has earned plenty of thoughts from travelers, with 1,149 reviews shaping the impression of stays in Sofia.

Room choices cater to different needs: Deluxe Room with a King Bed (non-smoking) accommodates 3 adults and 2 children; Deluxe Suite with a Queen Bed (non-smoking) fits 2 adults and 1 child; Executive Studio with a King Bed (non-smoking) accommodates 2 adults and 1 child. There is also a Deluxe Room (non-smoking) for 2 adults and 1 child, and a Room with Double or Twin Beds (non-smoking) for 2 adults and 1 child. Each option keeps the non-smoking note at the forefront while offering varying bed setups.