# Color-coded London maps reveal centuries of poor housing

Historic London maps use blue and yellow to distinguish poor from wealthy areas, exposing centuries of inadequate housing. The Guardian Health reports that these visual records show persistent housing inequalities and their links to health. The maps matter because they connect past housing conditions to today’s debates over inequality and public health.

**Importance:** 3/5

## Sources

### Health
- [The Guardian Health](https://www.theguardian.com/artanddesign/2026/oct/19/a-place-to-call-home-senate-house-london-charles-booth-maps-london-housing) — Mon, 19 Oct 2026 07:00:22 GMT