A 1932 House on a Setagaya Street
The Main Building of the Kamata Residence (鎌田家住宅主屋, Kamata-ke Jūtaku Shuoku) is a single-storey wooden house at 1-1473-5 Umegaoka, Setagaya Ward, Tokyo, completed in 1932 and entered on Japan's register of Tangible Cultural Properties on 2 November 2009.
It sits in the middle of its plot, turned east toward the road. The floor area comes to 104 square metres, modest for a building that carries national heritage status. The interest lies less in its scale than in how much variety the builder packed into a house this size.
The Odakyu Odawara Line had opened in April 1927, five years before the house went up. Umegaoka Station, the stop most people now use to reach the neighbourhood, did not open until April 1934. The Kamata family built here while the fields were still turning into streets.
Three Roof Forms, One Small House
Stand on the road and you are looking at several roofs at once.
The core of the building runs east to west under an irimoya roof, the hipped-and-gabled form in which a triangular gable sits above sloping hipped eaves. Pushed forward on the east side is the entrance porch, roofed in irimoya again but rotated so that the gable end faces the visitor. Japanese carpenters call this tsuma-iri, entering from the gable side, and it gives an arriving guest a clean triangle of roof to walk toward.
On the south side, a Japanese-style room is covered by a yosemune roof, hipped on all four sides with no gable at all. To the north stood a Western-style room that originally carried a flat roof, a detail recorded in the Agency for Cultural Affairs entry.
Four elements, three roof shapes, one flat deck. The result is a silhouette that changes as you walk past it, which is unusual in a house of this footprint.
The Central Corridor and What It Meant
Inside, the plan is chūrōka-shiki: a corridor runs down the middle of the house with rooms opening off both sides.
This sounds ordinary now. In 1932 it was the mark of a modern household. Older Japanese houses strung rooms together so that reaching the back of the building meant walking through everything in between, sliding screens open as you went. The central corridor ended that. Reception rooms took the sunny south side, service and utility spaces went north, and each room gained a door of its own.
The flat-roofed Western room on the north side belongs to the same moment. A single yōma with chairs, a desk and a carpet, usually set aside for receiving callers or for the head of the household to work in, was the badge of the salaried professional class then filling Tokyo's new suburbs. Architectural writers of the period called the type bunka jūtaku, culture housing.
The house was renovated in 1972. Registered properties are permitted to change with the lives inside them, and the record notes the alteration rather than treating it as damage.
Registered, Not Designated
Japan runs two parallel systems for historic buildings. Designation (shitei) applies to National Treasures and Important Cultural Properties and locks a building down tightly. Registration (tōroku), introduced in 1996, is deliberately lighter: owners notify the authorities of major changes rather than seek permission, and the bar is set at buildings roughly fifty years old or more.
The Kamata Residence was registered under the criterion covering structures that contribute to the historic landscape of the country. Its registration number is 13-0249, issued in the sixty-fifth round of registrations, with the public notice dated 19 November 2009.
The Agency for Cultural Affairs summary places the value plainly: an example of suburban housing built along a private railway line in prewar Tokyo. Thousands of such houses went up across Setagaya, Suginami and Ota wards in the 1920s and 1930s. Very few survived the war, the land price booms and the rebuilding cycles that followed. That scarcity is the point.
Two companion structures were registered on the same day: the detached wing at the rear of the plot and the reinforced concrete gate and wall along the street.
What You Can Actually See
This is a private home. There is no interior access, no visitor reception and no published opening schedule. Nobody is going to show you the corridor.
What remains visible from the public road is the gate, the low wall beside it, and the roofs rising behind. The gate sits about two metres back from the road line, which opens up just enough space to take the composition in without standing in traffic.
Photograph from the road, keep off the property, and remember that people live a few metres from where you are standing. Early morning gives the cleanest light on an east-facing entrance.
Umegaoka Station on the Odakyu Odawara Line is roughly a five-minute walk away. While you are in the area, Hanegi Park lies close by with around 650 plum trees on its slopes; the Setagaya Plum Festival runs there through February, which makes late winter a good time to combine the two.
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Q&A
- Can I go inside the Kamata Residence Main Building?
- No. The Kamata Residence Main Building is a private house in ordinary residential use, with no interior access, no admission fee and no published opening hours. Registration as a Tangible Cultural Property does not oblige an owner to admit the public.
- Where is the Kamata Residence Main Building and how do I reach it?
- The address is 1-1473-5 Umegaoka, Setagaya Ward, Tokyo. The nearest station is Umegaoka on the Odakyu Odawara Line, a walk of about five minutes. Trains run there directly from Shinjuku.
- When was the Kamata Residence Main Building built and when was it registered?
- It was built in 1932 and renovated in 1972. Registration as a Tangible Cultural Property took effect on 2 November 2009, with the public notice issued on 19 November of the same year under registration number 13-0249.
- Is photography allowed at the Kamata Residence Main Building?
- Photographs taken from the public road are not restricted, and the gate, wall and rooflines are all visible from there. Do not enter the grounds, photograph through gaps in the wall, or point a lens at windows. The residents' privacy comes first.
- What else was registered alongside the Kamata Residence Main Building?
- Two other structures on the same plot: the detached wing (registration number 13-0250), a 50-square-metre guest annexe at the rear, and the gate and wall (13-0251), built of reinforced concrete along the street frontage. All three were registered on 2 November 2009.
Basic Information
| Name | Kamata Residence Main Building (鎌田家住宅主屋) |
|---|---|
| Location | 1-1473-5 Umegaoka, Setagaya Ward, Tokyo |
| Designation | Registered Tangible Cultural Property (Structure); registration number 13-0249 |
| Year Designated | Registered 2 November 2009; public notice 19 November 2009 |
| Quantity | 1 building |
| Dimensions | Wooden, single storey, tiled roof; building area 104 m² |
| Owner | Private (no owner recorded in the Agency for Cultural Affairs database) |
| Public Access | Not open to the public; exterior visible from the public road |
References
- National Cultural Properties Database, Agency for Cultural Affairs: Kamata Residence Main Building
- https://kunishitei.bunka.go.jp/heritage/detail/101/00007878
- Cultural Heritage Online: Kamata Residence Main Building
- https://online.bunka.go.jp/heritages/detail/143638
- Agency for Cultural Affairs: Registered Tangible Cultural Properties (Structures)
- https://www.bunka.go.jp/seisaku/bunkazai/shokai/yukei_kenzobutsu/toroku_yukei.html
- Setagaya Ward: Cultural Properties in the Ward
- https://www.city.setagaya.lg.jp/02059/3397.html
Last verified: 2026.07.27