| Item | Surface Type | Weighting | |
| A | Paving surfaces | Impermeable | 1.4 |
| B | Permeable | 4.4 | |
| C | Horticulture | Unconnected to soil below | 3.9 |
| D | Connected to soil below | 4.9 | |
| E | Vegetation | Ground cover plants | 4.3 |
| F | Shrubs | 4.5 | |
| G | Small trees | 3.7 | |
| H | Medium trees | 6.1 | |
| I | Large trees | 7.0 | |
| J | Multi-layer planting | 6.4 | |
| K | Bioretention | Greenery on rooftop | 4.3 |
| L | Green walls | 3.4 | |
| M | Rainwater infiltration | 5.4 | |
| AD | Interaction Variable | −2.3694 | |
| AI | Interaction Variable | 1.7121 | |
| AJ | Interaction Variable | −2.6144 | |