In response to increasingly severe heat waves and cold spells in recent years, a portion of the costs is subsidized for renovation work that is effective in improving the insulation performance of existing homes, as well as renovation work carried out in conjunction with it to maintain or improve the living environment or housing functions, with the aim of creating a residential environment in which people can live more comfortably.
Niigata Prefecture, Sanjo City: “Sanjo City Comfortable Home Insulation Renovation Subsidy” (FY2026)
September 15, 2026
Summary
Sanjo City subsidizes part of the cost of insulation renovations for existing homes, along with related work to maintain or improve the living environment or housing functions. The program aims to create more comfortable homes amid increasingly severe heat waves and cold spells.
Key Information
| Location | Sanjo City, Niigata |
|---|---|
| Opening Status | Open for Applications |
| Application Period | Apr 1, 2026 – TBD |
| Max Subsidy Amount | ¥100,000 |
| Subsidy Rate | 1/10 (minimum amount: ¥1,000) |
| Purpose | Energy conservation / environment |
| Eligible Expenses | Construction costs / building costs |
| Eligible Applicants | Individuals |
| Implementing Agency | Sanjo City |
| Official Page | https://www.city.sanjo.niigata.jp/soshiki/kensetsubu/kenchikuka/joseikin/15238.html |