The Triangle Amenity is a limited company that oversees the private gardens bordered by Randolph Avenue, Clifton Gardens and Randolph Crescent in London, W9. The amenity also maintains a private roadway along Clifton Gardens.

The amenity is owned by the 34 freehold properties that occupy the 49 buildings that border the estate.

This site provides contact details for the managing agent and various notices, application forms, and amenity documents.