This place is a narrow little townhouse. Although it was smaller than expected, it was clean and contained good heating and amenities for a comfortable stay. Note that you will have to climb narrow and steep stairs often to access the bedrooms on the first and third floors, bathrooms on the first and second floors and living/dining room on the second floor. There was a washing machine and balcony for us to do our laundry. Also a small couch to watch TV.
There are three bedrooms- two on the third floor and one on the first floor. Two bedrooms contain a proper bed and the last bedroom contains two tatami beds. The rooms were warm enough for the winter.
The place is not located near any major landmarks and is kind of in the “suburbs” of Shinjuku but the subway station is about 5-10min walk. The good thing is that it is quiet. There are two convenience stores just a stone’s throw away. If you’re driving, there’s one parking area outside the house for a sedan car.