Reading Japan's property market through data

Rents, purchase prices, railway lines, building age and yield. We explain the differences we find in the data, one chart at a time.

Purchase prices · 2026-08-06What does a 1LDK cost across Tokyo? Comparing the central wards with KatsushikaA like-for-like look at advertised 1LDK sale prices across Tokyo's 23 wards. The typical band is ¥80 million to ¥90 million in Minato, Chiyoda and Chuo, but ¥20 million to ¥30 million in Katsushika.
Railway lines and rent · 2026-08-06Yamanote Line rent by station, July 2026: comparing all 30 stations at 25m²Compare estimated rent at all 30 Yamanote Line stations for the same 25m², ten-year-old 1K home. The table runs from about ¥169,000 in Shibuya to ¥102,000 in Yurakucho and shows how many records were used for each station.
Rental yield · 2026-08-06How building age changes 1LDK rental yield in ArakawaA building-age comparison for 1LDK homes in Arakawa. Gross rental yield is 3.29% at 0 to 10 years and 5.22% at 41 years or older because purchase prices fall further than rents.