www.mlit.go.jp/gobuild/gobuild_tk7_000011.html

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官庁営繕：官庁施設の環境保全性基準 - 国土交通省

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https://www.mlit.go.jp/gobuild/gobuild_tk7_000011.html

About this page

This page presents the Environmental Conservation Standards for Government Buildings established by Japan's Ministry of Land, Infrastructure, Transport and Tourism. It outlines the required environmental conservation levels and necessary technical standards for government facilities. The standards were revised in March 2025 due to amendments in building energy conservation laws. In March 2022, standards were updated based on the government action plan, requiring new buildings to achieve ZEB Oriented level or higher energy performance. The document is available in PDF format, with detailed information provided by the Ministry's Facilities and Environment Division.