Skip to main content
A Singapore Government Agency Website How to identify
Official website links end with .gov.sg
Government agencies communicate via .gov.sg websites (e.g. go.gov.sg/open). Trusted websites
Secure websites use HTTPS
Look for a lock () or https:// as an added precaution. Share sensitive information only on official, secure websites.

Government officials will NEVER ask you to transfer money or disclose bank log-in details over a phone call.

Building and Construction Authority

Mandatory Higher Green Mark Standard for Government Land Sales (GLS)

To support Singapore's goals for a low-carbon, climate-resilient built environment, all buildings on Government Land Sales (GLS) sites to achieve the Green Mark Platinum Super Low Energy rating with Maintainability Badge, ensuring at least 60% better energy efficiency compared to 2005 levels. Certain sites have more badges requirements to support sustainability initiatives.

Last updated 4 March 2026
Aerial view of landscaped rooftop courtyard with walkways, greenery, and long water features

Scope and Details

Submission Requirements

Compliance Standards

Related Links