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Radlett

Town

Town in Hertsmere, East of England.

Radlett is an ONS built-up area: the land built up as one town, whatever council it is in. Figures for Radlett add up the census output areas (or, for claimants, the neighbourhoods) that sit mostly inside it, so they are close to, but not exactly, the town’s own.

Open in map

Radon Affected Area by town

Worked out by Open Index · 2022

Under 1%90% or more

About 95% of people in Radlett live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£1,082,500
4th most expensive of 1,092
Worked out by Open Index
Population
8,182
75th least populated of 1,209
ONS Census 2021 · 2021
People in radon Affected Area squares
95%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
76.4%
UK 87.8%
Ofcom · Jan 2026

How Radlett compares

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

RadlettMiddle
Median sale price130 towns, East of England · 2025
Median sale price: every town in East of England130 areas from £146,000 to £1,082,500. The middle area is £346,125. Radlett is £1,082,500.
£1,082,500most expensive
Population130 towns, East of England · 2021
Population: every town in East of England130 areas from 7,522 to 233,524. The middle area is 19,408. Radlett is 8,182.
8,18211th least populated
People in radon Affected Area squares130 towns, East of England · 2022
People in radon Affected Area squares: every town in East of England130 areas from 0.0% to 100.0%. The middle area is 0.0%. Radlett is 95.0%.
95%9th most people in radon Affected Areas
Gigabit broadband coverage130 towns, East of England · Jan 2026
Gigabit broadband coverage: every town in East of England130 areas from 45.6% to 98.3%. The middle area is 92.4%. Radlett is 76.4%.
76.4%9th lowest

Is Radlett safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Radlett at a rate of 62.0 per 1,000 people.

That compares with 80.2 per 1,000 people across East of England.

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

In August 2026 alone, 53 cases of crime and anti-social behaviour were recorded in Radlett.

In the 12 months to August 2026, the most common types were violence and sexual offences (132), anti-social behaviour (120) and other crime (77).

A year earlier, the recorded crime rate in Radlett was 56.0 per 1,000 people.

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.

Deprivation in Radlett, neighbourhood by neighbourhood

  • Deprivation is ranked by neighbourhood, so Radlett has no single figure. Of its 5 neighbourhoods with a rank:
  • Decile 5: 1 neighbourhood
  • Decile 8: 1 neighbourhood
  • Decile 10 (England’s least deprived 10%): 3 neighbourhoods

English Indices of Deprivation 2025. Decile 1 is the most deprived tenth of neighbourhoods in England.

Neighbourhoods in Radlett

NamePeople (census)Recorded crime per 1,000Deprivation decileGigabit broadband
Hertsmere 005A1,74332.0 per 1,0001060.1%
Hertsmere 005B1,44429.1 per 1,0001086.9%
Hertsmere 005C1,766108.2 per 1,000878.0%
Hertsmere 005D1,76243.3 per 1,0001067.3%
Hertsmere 005E1,47087.2 per 1,000593.2%

Your MP

As of , from the UK Parliament Members API. Contains Parliamentary information licensed under the Open Parliament Licence v3.0. Source: UK Parliament, Members API.

Council1

Postcode districts covering Radlett1

Middle areas in Radlett1

Towns near Radlett6

Radlett in brief

Radlett is a town in Hertsmere, East of England.

About 8,161 people lived in Radlett in mid-2024 (worked out by Open Index from ONS small-area estimates); the median price paid for a home was £1,082,500 in 2025 across 122 sales (HM Land Registry) and police recorded crimes and anti-social behaviour at a rate of 62.0 per 1,000 people in the 12 months to August 2026 (police.uk).

The median price paid for a home in Radlett was £1,082,500 in 2025.

Radlett had 8,182 usual residents at the census.

About 95% of people in Radlett live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Radlett, 76.4% of homes and businesses could get gigabit-capable broadband in January 2026.