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Marshalswick

Middle area

East St Albans. 7,817 people in 2.0 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 Marshalswick live in a 1 km square that the radon atlas marks as a radon Affected Area.

Median sale price
£657,500
Joint 335th most expensive of 7,259
Worked out by Open Index
Population
6,972
Joint 4,207th 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
97.5%
UK 87.8%
Ofcom · Jan 2026

Recorded crime in Marshalswick

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Marshalswick at a rate of 41.3 per 1,000 people.

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

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 offences93
Anti-social behaviour72
Other crime57
Vehicle crime33
Shoplifting31
Criminal damage and arson17
Burglary11
Drug offences7
Robbery1
Theft from the person1

Source: police.uk, 12 months to August 2026

How Marshalswick compares

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

MarshalswickMiddle
Median sale price20 middle areas, St Albans · 2025
Median sale price: every middle area in St Albans20 areas from £450,000 to £847,500. The middle area is £636,250. Marshalswick is £657,500.
£657,5009th most expensive
Population20 middle areas, St Albans · 2021
Population: every middle area in St Albans20 areas from 6,266 to 9,804. The middle area is 7,148. Marshalswick is 6,972.
6,9729th least populated
People in radon Affected Area squares20 middle areas, St Albans · 2022
People in radon Affected Area squares: every middle area in St Albans20 areas from 0.0% to 100.0%. The middle area is 100.0%. Marshalswick is 100.0%.
100%joint most people in radon Affected Areas
Gigabit broadband coverage20 middle areas, St Albans · Jan 2026
Gigabit broadband coverage: every middle area in St Albans20 areas from 86.3% to 99.7%. The middle area is 93.9%. Marshalswick is 97.5%.
97.5%5th highest

Is Marshalswick safe? What police records show

In the 12 months to August 2026, police recorded crimes and anti-social behaviour in Marshalswick at a rate of 41.3 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, 20 cases of crime and anti-social behaviour were recorded in Marshalswick.

In the 12 months to August 2026, the most common types were violence and sexual offences (93), anti-social behaviour (72) and other crime (57).

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 middle area, so they describe all of St Albans and not Marshalswick 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
Marshalswick in brief

The median price paid for a home in Marshalswick was £657,500 in 2025.

Marshalswick had 6,972 usual residents at the census.

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

In Marshalswick, 97.5% of homes and businesses could get gigabit-capable broadband in January 2026.