Table 4 Parameters and indicators identified for bringing CE through building materials

Selection of Material

• Use of recycled materials

• Use of low-carbon materials

• Use of natural/bio-based materials

• Use of secondary building materials

• Durable Materials

• Use of locally available materials

• Use of waste from other industries as raw material

[3, 11, 31, 32, 39, 44, 50, 60, 66, 67]

Flow of Material/Components

• Information on the materials used from the early stages

• Presence of Material Passport & MP Consultant

• Circular Material Library

• Supply & demand of salvaged building materials

• Supply & demand of secondary building materials

• Self Sufficient Region

[3, 5, 11, 17, 19, 20, 31, 39, 40, 44, 50, 52, 54, 59,60,61, 66, 67, 69, 70, 79]

Green Building Standards & Certification System

• Building Certification System

• Certification System of reused/recycled materials/components

[18, 19, 32, 61]