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Sub par!!! Supposedly a digital hotel (although not marketed as one on Expedia). The digital key (a downloaded app) did not necessarily work all the time with the elevators. All personnel/employees departed the hotel at 9:00 pm and will not return until 9:00 am on the weekends. The lobby/street level is locked shut. Ingress/egress after hours is through the building’s emergency exits. If you have to leave pre-9:00 am on the weekends, you’ll be lugging your luggage down the emergency staircase - elevator stops at level two. The room decor/furniture is outdated/cheap/youth hostile like and couldn’t be more depressing- dingy brown walls and a small window looking either into a light well or an atrium. Deferred maintenance/capital is apparent. The one plus is the laundry room - two washing machines and one dryer. Also, the location of the hotel is exceptional.

Problemer med App. Mye trykking og mailer for at hotellet skal spare resepsjonisten…

Loved our stay here! Beautiful, modern hotel close to Karl Johans gate! We would love to stay again, and would definitely recommend to others!

My wife and I stayed at Att | Kvadraturen for four nights (Suite) in August 2025. We absolutely loved this place, and it is one of our very favourites out of the hundreds of hotels we have stayed at over the years. The Apt was very spacious, well-designed, very modern, spotless, comfortable and had everything we needed. Camilla and Elin met us upon arrival; they were very friendly, professional and helpful throughout our stay. The location is perfect, right in the heart of all of Oslo’s main attractions, surrounded by some wonderful cafes and restaurants. They don’t clean every day, but you have access to clean towels and other supplies in a supply room (I prefer this arrangement). We also appreciated the washing machine and dryer as we are on a long trip. Opening doors by app was also really cool. Wonderful place!

訂了有客廳的房型，我和先生和小孩都非常喜歡，房間足夠讓小孩活動，沙發區和餐廳都很寬敞^^ 絕對推薦 廚房內應有盡有，有洗碗機，有各種鍋碗瓢盆餐具（沒有油）多功能微波爐~

Helt nytt hotell for meg, og jeg ble kjempeoverrasket. Skikkelig fint stort rom med alt av fasiliteter som vi trengte. Beliggenheten er også gelt topp i forhold til shopping og transport. Anvefales!

Great place, good location, wonderful staff

God service og hyggelige mennesker som jobber der. Ingen mikrobølgeovn tilgjengelig, ikke den beste sengen og ingen mulighet for frisk luft (fikk hodepine).

We had a great stay! The only flaw was that the room key told my husband one room and mine another. It didn’t happen the first day, but the second day, which was weird. It could’ve been solved quicker if there was an actual person at the desk. The young woman was lovely and helped us but it took longer than we’d like, considering. All in all it’s a great place, huge room and good location!

Great hotel, but without staff