Cannon Hill
WardSouth west Merton. About 9,998 people (mid-2024 estimate) in 2.2 square kilometres.
Radon Affected Area by ward
Worked out by Open Index · 2022
About 0% of people in Cannon Hill live in a 1 km square that the radon atlas marks as a radon Affected Area.
How Cannon Hill compares
Each dot is a ward. The black line marks the middle one.
Is Cannon Hill safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Cannon Hill at a rate of 32.1 per 1,000 people.
That compares with 74.1 per 1,000 people across Merton.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 23 cases of crime and anti-social behaviour were recorded in Cannon Hill.
In the 12 months to August 2026, the most common types were violence and sexual offences (100), other crime (63) and anti-social behaviour (51).
Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.
Rates are per resident, so places that many people work in or visit, such as Westminster, the City of London and other city centres, have far higher rates than their residents alone would suggest.
Figures for the whole of Merton
These figures are published for the whole of Merton, not for each ward, so they describe all of Merton and not Cannon Hill alone. See Merton
Cannon Hill in brief
Cannon Hill had 9,790 usual residents at the census.
About 0% of people in Cannon Hill live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Cannon Hill, 99.8% of homes and businesses could get gigabit-capable broadband in January 2026.
In Cannon Hill, 2.6% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.