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Overview

London · London borough

Kensington and Chelsea

2026/27 view

Kensington and Chelsea · ONS E09000020

Financial position as at 2026/27 Q1 quarter end

View sources
PEOPLE AND PLACE

Population and community profile

Latest official statistics
Population 144,518 2024
London region 9,089,736
Kensington and Chelsea represents 1.59% of the region's population
Five-year population change
−2,287 residents ↓ 1.6%
2019: 146,805 residents2020: 144,874 residents2021: 144,266 residents2022: 146,336 residents2023: 146,499 residents2024: 144,518 residents
Kensington and Chelsea −1.6%
London +2.2%
England +4.3%
Growth context

Kensington and Chelsea's population declined over five years. Its change was 3.8 percentage points below the London and 5.8 percentage points below England.

2019–2024 ONS mid-year estimates
Population estimates and labour-market measures from ONS/Nomis.Official profile
AIR QUALITY

How clean is the air?

Long-term particulate pollution across the council area, alongside measurements from local UK-AIR monitoring stations.

Defra 2,024
POPULATION-WEIGHTED ANNUAL MEAN

Fine particulate matter

9.4 µg/m³

PM2.5 · 2,024

Human-related sources 8.9 µg/m³
Other sources 0.5 µg/m³
Modelled population-weighted annual concentration across the local authority area. This is not a live sensor reading.
LONG-TERM TREND

PM2.5 over time

46.2%
17.5 8.8
2011: 17.51 µg/m³ 2012: 15.81 µg/m³ 2013: 16.01 µg/m³ 2014: 15.81 µg/m³ 2015: 12.82 µg/m³ 2016: 12.53 µg/m³ 2017: 12.87 µg/m³ 2018: 12.97 µg/m³ 2019: 12.63 µg/m³ 2020: 10.07 µg/m³ 2021: 9.37 µg/m³ 2022: 10.27 µg/m³ 2023: 8.81 µg/m³ 2024: 9.42 µg/m³
2011 2024
Since 2011 ↓ 46.2%
5 years ↓ 25.4%
10 years ↓ 40.4%
CURRENT MONITORING

Latest station measurement

UK-AIR
A UK-AIR monitoring station is recorded for this council, but no current core-pollutant observation is available.
HEALTH IMPACT

Particulate air pollution

7.0% of mortality attributable to particulate air pollution
2024 Not compared

This OHID measure estimates the mortality burden associated with particulate air pollution. It is a health-impact measure, not a pollution concentration.

Annual PM2.5 is Defra Pollution Climate Mapping data. Monitoring readings are station-specific UK-AIR measurements and may be provisional. Defra source