# Most and fewest people in radon Affected Areas: London boroughs (2022)

Sutton was the most people in radon Affected Areas of London’s 33 boroughs in 2022 (people in radon Affected Area squares 60%).

16 boroughs were the joint fewest people in radon Affected Areas (0%). The middle borough, Islington, had 1%.

Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas.

| Rank | Area | People in radon Affected Area squares |
| --- | --- | --- |
| 1 | [Sutton](https://openindex.co.uk/sutton) | 60% |
| 2 | [Croydon](https://openindex.co.uk/croydon) | 47% |
| =3 | [Bexley](https://openindex.co.uk/bexley) | 42% |
| =3 | [Bromley](https://openindex.co.uk/bromley) | 42% |
| 5 | [Southwark](https://openindex.co.uk/southwark) | 41% |
| 6 | [Lewisham](https://openindex.co.uk/lewisham) | 36% |
| 7 | [Newham](https://openindex.co.uk/newham) | 35% |
| 8 | [Greenwich](https://openindex.co.uk/greenwich) | 29% |
| 9 | [Waltham Forest](https://openindex.co.uk/waltham-forest) | 25% |
| =10 | [Camden](https://openindex.co.uk/camden) | 7% |
| =10 | [Hillingdon](https://openindex.co.uk/hillingdon) | 7% |
| 12 | [Redbridge](https://openindex.co.uk/redbridge) | 6% |
| 13 | [Tower Hamlets](https://openindex.co.uk/tower-hamlets) | 4% |
| 14 | [Barking and Dagenham](https://openindex.co.uk/barking-and-dagenham) | 3% |
| 15 | [Hackney](https://openindex.co.uk/hackney) | 2% |
| =16 | [Havering](https://openindex.co.uk/havering) | 1% |
| =16 | [Islington](https://openindex.co.uk/islington) | 1% |
| =18 | [Barnet](https://openindex.co.uk/barnet) | 0% |
| =18 | [Brent](https://openindex.co.uk/brent) | 0% |
| =18 | [City of London](https://openindex.co.uk/city-of-london) | 0% |
| =18 | [Ealing](https://openindex.co.uk/ealing) | 0% |
| =18 | [Enfield](https://openindex.co.uk/enfield) | 0% |
| =18 | [Hammersmith and Fulham](https://openindex.co.uk/hammersmith-and-fulham) | 0% |
| =18 | [Haringey](https://openindex.co.uk/haringey) | 0% |
| =18 | [Harrow](https://openindex.co.uk/harrow) | 0% |
| =18 | [Hounslow](https://openindex.co.uk/hounslow) | 0% |
| =18 | [Kensington and Chelsea](https://openindex.co.uk/kensington-and-chelsea) | 0% |
| =18 | [Kingston upon Thames](https://openindex.co.uk/kingston-upon-thames) | 0% |
| =18 | [Lambeth](https://openindex.co.uk/lambeth) | 0% |
| =18 | [Merton](https://openindex.co.uk/merton) | 0% |
| =18 | [Richmond upon Thames](https://openindex.co.uk/richmond-upon-thames) | 0% |
| =18 | [Wandsworth](https://openindex.co.uk/wandsworth) | 0% |
| =18 | [Westminster](https://openindex.co.uk/westminster) | 0% |

Source: Worked out by Open Index from the UKHSA and BGS radon atlas and census output areas. Period: 2022. Period: 2022.

## Other rankings of this measure

- [UK](https://openindex.co.uk/rankings/radon-affected-areas/uk)
- [England](https://openindex.co.uk/rankings/radon-affected-areas/england)
- [Northern Ireland](https://openindex.co.uk/rankings/radon-affected-areas/northern-ireland)
- [Scotland](https://openindex.co.uk/rankings/radon-affected-areas/scotland)
- [Wales](https://openindex.co.uk/rankings/radon-affected-areas/wales)
- [North East](https://openindex.co.uk/rankings/radon-affected-areas/north-east)
- [North West](https://openindex.co.uk/rankings/radon-affected-areas/north-west)
- [Yorkshire and The Humber](https://openindex.co.uk/rankings/radon-affected-areas/yorkshire-and-the-humber)
- [East Midlands](https://openindex.co.uk/rankings/radon-affected-areas/east-midlands)
- [West Midlands](https://openindex.co.uk/rankings/radon-affected-areas/west-midlands)
- [East of England](https://openindex.co.uk/rankings/radon-affected-areas/east-of-england)
- [South East](https://openindex.co.uk/rankings/radon-affected-areas/south-east)
- [South West](https://openindex.co.uk/rankings/radon-affected-areas/south-west)

- [The map](https://openindex.co.uk/map/radon-affected-areas)
- [Source and method](https://openindex.co.uk/sources/radon-affected-areas)
- [The two measures side by side](https://openindex.co.uk/map/radon?vs=population&mode=blend)

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/rankings/radon-affected-areas/london.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.9. The HTML page: https://openindex.co.uk/rankings/radon-affected-areas/london