Machine-translated. The Japanese page is authoritative.

窓・断熱 subsidies in 文京区

✓ Auto-verified 4 Oct 2026Grant

文京区 has 1 窓・断熱 program(s): city 1, prefecture 0, national 0.

1Available programs
—How much
—Until when
4 Oct 2026Last verified

Bottom line

✓ Auto-verified 4 Oct 2026

How much: See the official page
Until when: See the official page
Likely eligible?: See the official page
Do this first: See the official page

Available programs (1)

CityGrantUnder review

文京区新エネルギー・省エネルギー設備設置費助成事業

Last verified 4 Oct 2026

Other topics (文京区)

外壁・屋根水回り外構給湯器耐震窓・断熱太陽光・蓄電池バリアフリーリフォーム全般新築・取得移住・定住解体・除却空き家の活用・改修空き家の管理・片付け

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