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Holywell

Middle area

South Watford. 11,554 people (mid-2024 estimate) in 1.9 square kilometres.

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Radon Affected Area by middle area

Worked out by Open Index · 2022

Under 1%90% or more

About 100% of people in Holywell live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£390,250
2,022nd most expensive of 7,259
Worked out by Open Index
Population
10,296
Joint 948th most populated of 9,448
ONS Census 2021 · 2021
People in radon Affected Area squares
100%
UK 44%
Worked out by Open Index
Gigabit broadband coverage
92.9%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Holywell

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Holywell at a rate of 100.6 per 1,000 people.

That compares with 110.3 per 1,000 people across Watford.

Worked out by Open Index from police.uk crime records and ONS and NISRA population estimates.

Recorded by police, 12 months to August 2026
Kind of crimeRecorded
Violence and sexual offences471
Anti-social behaviour248
Other crime173
Criminal damage and arson73
Vehicle crime69
Drug offences45
Shoplifting34
Burglary25
Robbery17
Theft from the person7

Source: police.uk, 12 months to August 2026

How Holywell compares

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

HolywellMiddle
Median sale price12 middle areas, Watford · 2025
Median sale price: every middle area in Watford12 areas from £321,500 to £777,500. The middle area is £430,750. Holywell is £390,250.
£390,2502nd cheapest
Population12 middle areas, Watford · 2021
Population: every middle area in Watford12 areas from 6,173 to 11,413. The middle area is 8,532. Holywell is 10,296.
10,2962nd most populated
People in radon Affected Area squares12 middle areas, Watford · 2022
People in radon Affected Area squares: every middle area in Watford12 areas from 62.0% to 100.0%. The middle area is 100.0%. Holywell is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage12 middle areas, Watford · Jan 2026
Gigabit broadband coverage: every middle area in Watford12 areas from 86.6% to 99.4%. The middle area is 96.5%. Holywell is 92.9%.
92.9%2nd lowest

Is Holywell safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Holywell at a rate of 100.6 per 1,000 people.

That compares with 110.3 per 1,000 people across Watford.

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

In August 2026 alone, 92 cases of crime and anti-social behaviour were recorded in Holywell.

In the 12 months to August 2026, the most common types were violence and sexual offences (471), anti-social behaviour (248) and other crime (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 Watford

These figures are published for the whole of Watford, not for each middle area, so they describe all of Watford and not Holywell alone. See Watford

Average house price
£404,299
Down 0.7% in a year
HM Land Registry · Jul 2026
Median full-time pay
£43,219
83rd highest paid of 348
ONS earnings survey · 2025
House price to pay
9.4×
Joint 71st least affordable of 348
Worked out by Open Index
Deprivation score
16.3
Joint 116th least deprived of 296
MHCLG · England only
Holywell in brief

The median price paid for a home in Holywell was £390,250 in 2025.

Holywell had 10,296 usual residents at the census.

About 100% of people in Holywell live in a 1 km square that the radon atlas marks as a radon Affected Area.

In Holywell, 92.9% of homes and businesses could get gigabit-capable broadband in January 2026.