Marconi
WardWest Chelmsford. About 9,332 people in 1.4 square kilometres.
Radon Affected Area by ward
Worked out by Open Index · 2022
About 0% of people in Marconi live in a 1 km square that the radon atlas marks as a radon Affected Area.
How Marconi compares
Each dot is a ward. The black line marks the middle one.
Is Marconi safe? What police records show
In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Marconi at a rate of 137.1 per 1,000 people.
That compares with 83.5 per 1,000 people across Chelmsford.
Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.
In August 2026 alone, 122 cases of crime and anti-social behaviour were recorded in Marconi.
In the 12 months to August 2026, the most common types were violence and sexual offences (512), other crime (229) and shoplifting (173).
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 Chelmsford
These figures are published for the whole of Chelmsford, not for each ward, so they describe all of Chelmsford and not Marconi alone. See Chelmsford
Marconi in brief
Marconi had 8,764 usual residents at the census.
About 0% of people in Marconi live in a 1 km square that the radon atlas marks as a radon Affected Area.
In Marconi, 93.5% of homes and businesses could get gigabit-capable broadband in January 2026.
In Marconi, 3.1% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.