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Colney Heath

Ward

South east St Albans. About 2,772 people in 8.8 square kilometres.

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Radon Affected Area by ward

Worked out by Open Index · 2022

Under 1%90% or more

About 10% of people in Colney Heath live in a 1 km square that the radon atlas marks as a radon Affected Area.

Population
2,766
Joint 881st least populated of 8,397
ONS Census 2021 · 2021
People in radon Affected Area squares
10%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
96.1%
UK 87.8%
Ofcom · Jan 2026
Claimant rate
2.8%
UK 3.9%
ONS via Nomis · Aug 2026

How Colney Heath compares

Each dot is a ward. The black line marks the middle one.

Colney HeathMiddle
Population20 wards, St Albans · 2021
Population: every ward in St Albans20 areas from 2,766 to 8,444. The middle area is 7,923. Colney Heath is 2,766.
2,766least populated
People in radon Affected Area squares20 wards, St Albans · 2022
People in radon Affected Area squares: every ward in St Albans20 areas from 0.0% to 100.0%. The middle area is 100.0%. Colney Heath is 10.0%.
10%3rd fewest people in radon Affected Areas
Gigabit broadband coverage20 wards, St Albans · Jan 2026
Gigabit broadband coverage: every ward in St Albans20 areas from 87.1% to 98.9%. The middle area is 94.2%. Colney Heath is 96.1%.
96.1%6th highest
Claimant rate20 wards, St Albans · Aug 2026
Claimant rate: every ward in St Albans20 areas from 1.3% to 4.2%. The middle area is 2.0%. Colney Heath is 2.8%.
2.8%6th highest

Is Colney Heath safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Colney Heath at a rate of 108.8 per 1,000 people.

That compares with 79.2 per 1,000 people across St Albans.

Across England as a whole, the recorded crime rate was 96.3 per 1,000 people.

In August 2026 alone, 28 cases of crime and anti-social behaviour were recorded in Colney Heath.

In the 12 months to August 2026, the most common types were anti-social behaviour (101), violence and sexual offences (97) and other crime (50).

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 St Albans

These figures are published for the whole of St Albans, not for each ward, so they describe all of St Albans and not Colney Heath alone. See St Albans

Average house price
£646,781
Up 2.3% in a year
HM Land Registry · Jul 2026
Median full-time pay
£57,396
Highest paid of 348
ONS earnings survey · 2025
House price to pay
11.3×
Joint 29th least affordable of 348
Worked out by Open Index
Deprivation score
8.1
Joint 7th least deprived of 296
MHCLG · England only
Colney Heath in brief

Colney Heath had 2,766 usual residents at the census.

About 10% of people in Colney Heath live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Colney Heath, 96.1% of homes and businesses could get gigabit-capable broadband in January 2026.

In Colney Heath, 2.8% of residents aged 16 to 64 were claiming out-of-work benefits in August 2026.