Set back from the highway

The Miyake Family Residence Main House (三宅家住宅主屋, Miyake-ke Jūtaku Omoya) is an early Meiji merchant house standing on the old Seto highway in Nishidaidocho, Owariasahi City, Aichi Prefecture, and it was listed as a Registered Tangible Cultural Property in 2022. It is a single-story timber building covering 210 square meters. The Agency for Cultural Affairs places its construction in the early Meiji period, between 1868 and 1882, and records a renovation in 1948.

The road here once carried traffic between Nagoya and the pottery town of Seto. The first thing to notice about the house is that it does not stand at the roadside. A front garden lies between the highway and the building. A townhouse in Kyoto or central Nagoya would sit flush with the street line, because land cost money and street frontage was taxed. The Miyake Family Residence Main House had room to spare.

That single fact explains most of the building. This was not a city but a zaigōmachi, a trading settlement grown up inside farming country.

A townhouse face over a farmhouse plan

Seen from the road, the house reads as Machiya. The roof is Irimoya-zukuri laid with Sangawara-buki, and the entrance opens on the long side, the arrangement called Hirairi. Along the upper level runs a row of Tsushi-nikai windows, the low attic storey used for storage with small openings toward the street. The walls are Shinkabe construction with the posts left visible and the panels finished in Shikkui plaster. Deep Geya aisles project on all four sides. Everything a traveller on the highway would have registered says merchant.

The plan says something else. It is a six-room type, two rows of three, which is the standard country house layout rather than the townhouse one. The long narrow machiya plan exists because of narrow frontages and the tax on them. Where land was plentiful, that pressure never applied. Whoever built the Miyake Family Residence Main House dressed the exterior for the road and kept the interior in the shape that actually worked for the family.

The two are not in conflict. They are two requirements met at once: a commercial face toward the highway, and behind it the household of a landowning family carrying on much as before. This doubling is the most interesting thing about the building, and it is legible in the fabric itself.

Indigo vats sunk into the earth floor

The Miyake family held farmland around Arai village from the middle of the Edo period. In the later Edo period they took up dyeing, running a kōya that coloured cotton thread with indigo, and by early Meiji they were also brewing sake. The house was built as the residence of that combined dyeing and brewing business.

The clearest trace of the trade survives in the Doma, the earth-floored working space spanned by heavy beams. Indigo vats remain sunk into that floor. Indigo dyeing depends on fermentation, and burying the vats keeps their temperature far steadier than standing them on a raised floor would. The doma served as passage and workshop, but here the ground itself had been enlisted as equipment.

Both the national database and Owariasahi City mention these vats. It is not often that a building's former use survives as a set of hollows in the floor rather than as a line in a document.

Three buildings, one household

The Miyake Family Residence Main House was listed as a Registered Tangible Cultural Property on 17 February 2022 under registration number 23-0572, under the criterion for buildings contributing to the historic landscape of the country. The storehouse at the rear of the plot (23-0573) and the garden gate with its attached wall (23-0574) were listed on the same day. The three are separate registrations, but the reasoning behind them is the same.

Registration is a different instrument from designation. Introduced in 1996, it applies to buildings roughly 50 years old or more and is meant to keep them in use rather than freeze them. Owners register by notification and report before making substantial alterations. Nothing here was listed for a famous architect or a treasure held indoors. What was valued is a merchant household's complete street frontage, still standing.

Gate, main house, storehouse: a full set of buildings from a rural trading family, surviving together. Owariasahi has no second example, and the Miyake Family Residence Main House stands at the centre of the group.

Visiting

The practical point comes first. The Miyake residence is still a private home and is not open to the public. The grounds cannot be entered and the interior cannot be seen. Viewing means looking across the front garden from the old Seto highway, and photography should be limited to the exterior taken from the public road. People live here. Please do not pass the gate.

Even so, a good deal is legible from outside: the irimoya roof and the lines of its pantiles, the rhythm of the tsushi-nikai windows, the spacing of the posts in the plastered walls, the depth of the aisle roofs on every side. Because of the front garden, the whole elevation fits in one view from the road, which is rare along a highway frontage of this kind.

Owari-Asahi Station on the Meitetsu Seto Line lies about 10 minutes on foot to the northeast. The line runs roughly parallel to the old highway, connecting Sakaemachi in central Nagoya at one end with Owari-Seto at the other. Aichi Prefecture has an association of owners of registered buildings that organises occasional special openings across the prefecture, and checking whether such an event is scheduled is the realistic route for anyone hoping to see inside.

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Q&A

QCan I go inside the Miyake Family Residence Main House?
ANo. The Miyake residence is still a private home and is not open to the public. The grounds are closed as well, so viewing means looking at the exterior across the front garden from the old Seto highway.
QWhen was the Miyake Family Residence Main House built?
AThe Agency for Cultural Affairs places it in the early Meiji period, between 1868 and 1882, with a renovation in 1948. It was listed as a Registered Tangible Cultural Property on 17 February 2022.
QWhat kind of building is the Miyake Family Residence Main House?
AA single-story timber house of 210 square meters, with an irimoya roof in pantiles, entered on the long side, tsushi-nikai attic windows, plastered walls with exposed posts, and deep aisle roofs on all four sides. The plan is the six-room country house type.
QWhat did the Miyake family do?
AThey were landowners around Arai village from the mid Edo period, took up indigo dyeing of cotton thread in the later Edo period, and added sake brewing in early Meiji. Indigo vats from that business are still sunk into the earth floor of the house.
QHow do I get to the Miyake Family Residence Main House?
AOwari-Asahi Station on the Meitetsu Seto Line is about 10 minutes away on foot, to the northeast. The house stands on the old Seto highway in Nishidaidocho. As it is a private residence, please view it from the road only.

Basic Information

NameMiyake Family Residence Main House (三宅家住宅主屋)
Location3676 Gorinzuka, Nishidaidocho, Owariasahi City, Aichi Prefecture
DesignationRegistered Tangible Cultural Property (structure)
Year DesignatedRegistered 2022/2/17 (registration number 23-0572)
Quantity1 building
DimensionsBuilding area 210 square meters; single-story timber, irimoya roof with pantiles, entered on the long side
OwnerPrivate individual
Public AccessStill a private residence, closed to the public. Exterior visible from the old Seto highway

References

Miyake Family Residence Main House, National Cultural Properties Database (Agency for Cultural Affairs)
https://kunishitei.bunka.go.jp/bsys/maindetails/101/00014167
Miyake Family Residence Main House, Cultural Heritage Online (Agency for Cultural Affairs)
https://online.bunka.go.jp/heritages/detail/520887
Miyake Family Residence Main House, Owariasahi City Digital Museum
https://www.city.owariasahi.lg.jp/site/digitalmuseum/39392.html
Miyake Family Residence (Owariasahi City official website)
https://www.city.owariasahi.lg.jp/kurasi/kyouiku/bunka/bunkazai/shiseki/miyakekejuutaku.html
Aichi Association of Owners of Nationally Registered Tangible Cultural Property Buildings
https://www.aichi-tobunkai.org/

Last verified: 2026.09.03