| Area Type | Urban major conurbation |
| Area Details | Tretawn Gardens, London, NW7 4NR |
| Population | 74 |
| Average Income | £67,000.00 (Range for UK is from £20,000 to £86,100) |
| London Zone | 4 |
| Nearest Station | Mill Hill Broadway |
| Distance To Station | 1.16543 Km |
| Households | 24 |
| Affluence Level | 29609 (It is a range with 1-most deprived, 32844-least deprived) |
| Travel To Work Area | London |
| Police Force | Metropolitan Police |
| Water Company | Affinity Water |
| Sewage Company | Thames Water |
| Parish | Barnet, unparished area |
| Ward | Mill Hill |
| Local Authority | Barnet |
| Constituency | Hendon |
| County | Greater London |
| Region | London |
| Country | England |