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Knightsfield

Middle area

North Welwyn Hatfield. 6,078 people in 3.1 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 Knightsfield live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£465,000
Joint 1,228th most expensive of 7,259
Worked out by Open Index
Population
5,971
Joint 2,706th least 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
99.0%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Knightsfield

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Knightsfield at a rate of 55.4 per 1,000 people.

That compares with 99.6 per 1,000 people across Welwyn Hatfield.

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 offences139
Anti-social behaviour69
Other crime52
Criminal damage and arson33
Vehicle crime18
Burglary16
Drug offences7
Robbery2
Shoplifting1
Theft from the person0

Source: police.uk, 12 months to August 2026

How Knightsfield compares

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

KnightsfieldMiddle
Median sale price16 middle areas, Welwyn Hatfield · 2025
Median sale price: every middle area in Welwyn Hatfield16 areas from £312,000 to £887,500. The middle area is £448,250. Knightsfield is £465,000.
£465,0007th most expensive
Population16 middle areas, Welwyn Hatfield · 2021
Population: every middle area in Welwyn Hatfield16 areas from 5,487 to 12,556. The middle area is 7,109. Knightsfield is 5,971.
5,9713rd least populated
People in radon Affected Area squares16 middle areas, Welwyn Hatfield · 2022
People in radon Affected Area squares: every middle area in Welwyn Hatfield16 areas from 0.0% to 100.0%. The middle area is 55.0%. Knightsfield is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage16 middle areas, Welwyn Hatfield · Jan 2026
Gigabit broadband coverage: every middle area in Welwyn Hatfield16 areas from 64.0% to 99.0%. The middle area is 89.1%. Knightsfield is 99.0%.
99.0%highest

Is Knightsfield safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Knightsfield at a rate of 55.4 per 1,000 people.

That compares with 99.6 per 1,000 people across Welwyn Hatfield.

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

In August 2026 alone, 21 cases of crime and anti-social behaviour were recorded in Knightsfield.

In the 12 months to August 2026, the most common types were violence and sexual offences (139), anti-social behaviour (69) and other crime (52).

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 Welwyn Hatfield

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

Average house price
£448,681
Up 3.0% in a year
HM Land Registry · Jul 2026
Median full-time pay
£45,145
48th highest paid of 348
ONS earnings survey · 2025
House price to pay
9.9×
Joint 56th least affordable of 348
Worked out by Open Index
Deprivation score
13.9
Joint 77th least deprived of 296
MHCLG · England only
Knightsfield in brief

The median price paid for a home in Knightsfield was £465,000 in 2025.

Knightsfield had 5,971 usual residents at the census.

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

In Knightsfield, 99.0% of homes and businesses could get gigabit-capable broadband in January 2026.