Place CheckerOfficial local evidence

Census 2021 neighbourhood · E02004975

Cassiobury

Cassiobury is a Census neighbourhood of about 8,228 residents in Watford. This is a statistical area, not an administrative boundary or a postcode district.

8,228

Usual residents

ONS Census 2021 · MSOA

2,939

Households

ONS Census 2021 · MSOA

1,909.6

Residents per km²

ONS Census 2021 · MSOA

74.4%

Households owning their home

ONS Census 2021 · tenure

12.6%

Households with no car or van

ONS Census 2021 · car availability

54.7%

Adults with a degree or above

ONS Census 2021 · qualifications

Neighbourhoods most like this one

Closest matches elsewhere in England and Wales, across 14 Census themes. Similarity is statistical, not a recommendation, and says nothing about how anywhere feels to live in.

Belmont & South Cheam, Sutton8,722 residents · 81.1% owned · 11.5% no carLittleover West & Heatherton, Derby9,418 residents · 73.9% owned · 11.3% no carEwell East, Epsom and Ewell11,786 residents · 80.2% owned · 11.0% no carCarshalton Beeches & Banstead Road, Sutton7,776 residents · 86.6% owned · 9.8% no carLittle Chalfont, Buckinghamshire7,164 residents · 70.1% owned · 10.1% no carEarley, Wokingham9,376 residents · 78.6% owned · 10.8% no car

Census 2021 · Census neighbourhood (MSOA)

Life in Cassiobury

People, households and homes at the stated Census geography. These describe the 2021 population, not the occupants of a particular home.

Tenure

Owned74.4%
2,186 households
Private rented18.8%
552 households
Social rented5.6%
165 households
Shared ownership1.2%
36 households
Lives rent free0%
0 households
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Accommodation type

Detached39%
1,144 households
Semi-detached27.3%
803 households
In a purpose-built block of flats or tenement24.8%
728 households
Terraced6.6%
193 households
Part of a converted or shared house, including bedsits1.6%
47 households
Part of another converted building, for example, former school, church or warehouse0.5%
15 households
In a commercial building, for example, in an office building, hotel or over a shop0.2%
7 households
A caravan or other mobile or temporary structure0%
0 households
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Car or van availability

1 car or van in household41%
1,205 households
2 cars or vans in household35.4%
1,039 households
No cars or vans in household12.6%
371 households
3 or more cars or vans in household11%
324 households
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Number of bedrooms

4 or more bedrooms47.8%
1,407 households
3 bedrooms23.3%
685 households
2 bedrooms20.3%
597 households
1 bedroom8.6%
252 households
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Household composition

Single family household70.6%
2,073 households
One-person household20.5%
602 households
Other household types9%
263 households
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Household size

2 people in household29.6%
870 households
1 person in household20.5%
602 households
4 people in household19.2%
565 households
3 people in household19.2%
564 households
5 people in household7.4%
218 households
6 people in household2.7%
79 households
8 or more people in household0.9%
26 households
7 people in household0.6%
17 households
0 people in household0%
0 households
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Age

Under 1519.1%
1,568 residents
15–2916.7%
1,377 residents
30–4419.9%
1,634 residents
45–6427.5%
2,262 residents
65 and over16.9%
1,388 residents
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Ethnic group

White54.4%
4,475 residents
Asian, Asian British or Asian Welsh33.1%
2,722 residents
Mixed or Multiple ethnic groups4.9%
399 residents
Black, Black British, Black Welsh, Caribbean or African4.2%
346 residents
Other ethnic group3.5%
284 residents
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Highest qualification

Level 4 qualifications or above54.7%
3,575 residents aged 16 and over
Level 3 qualifications13.3%
870 residents aged 16 and over
Level 2 qualifications11.4%
743 residents aged 16 and over
No qualifications9.7%
637 residents aged 16 and over
Level 1 and entry level qualifications6.4%
416 residents aged 16 and over
Apprenticeship2.4%
158 residents aged 16 and over
Other qualifications2.1%
137 residents aged 16 and over
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Economic activity

Economically active (excluding full-time students)61.7%
4,034 residents aged 16 and over
Economically inactive36.1%
2,358 residents aged 16 and over
Economically active and a full-time student2.2%
145 residents aged 16 and over
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Occupational class (NS-SeC)

L4, L5 and L6 Lower managerial, administrative and professional occupations25.5%
1,664 residents aged 16 and over
L1, L2 and L3 Higher managerial, administrative and professional occupations24.6%
1,611 residents aged 16 and over
L7 Intermediate occupations11.7%
766 residents aged 16 and over
L8 and L9 Small employers and own account workers10.3%
670 residents aged 16 and over
L15 Full-time students8%
525 residents aged 16 and over
L12 Semi-routine occupations6%
395 residents aged 16 and over
L14.1 and L14.2 Never worked and long-term unemployed5.9%
386 residents aged 16 and over
L13 Routine occupations5.5%
361 residents aged 16 and over
L10 and L11 Lower supervisory and technical occupations2.4%
158 residents aged 16 and over
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

General health

Very good health55.3%
4,547 residents
Good health32.8%
2,696 residents
Fair health9.4%
774 residents
Bad health2.1%
170 residents
Very bad health0.5%
41 residents
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Disability

Not disabled under the Equality Act87.9%
7,233 residents
Disabled under the Equality Act12.1%
997 residents
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Household deprivation

Household is not deprived in any dimension58.8%
1,729 households
Household is deprived in one dimension30.5%
896 households
Household is deprived in two dimensions9%
264 households
Household is deprived in three dimensions1.7%
49 households
Household is deprived in four dimensions0%
1 households
Cassiobury · Census neighbourhood (MSOA) · ONS Census 2021

Each percentage uses its Census table’s own total. Rounding and source categories can affect totals. ONS Census data · OGL v3.0.

How the similarity is worked out

Alike on the Census, which is not the same as alike to live in.

Every neighbourhood is described by its shares across the Census themes above — tenure, housing, cars, household make-up, age, ethnic group, qualifications, work, health and deprivation — each theme weighted equally, which is the approach ONS takes in its own Output Area Classification. The neighbourhoods listed are the closest on those numbers, published in full rather than folded into a score. Nothing here measures schools, crime, prices or what a place is like to be in, and a close match is a statistical fact rather than a suggestion to move.

Browse every neighbourhood in Watford

Evidence ledger

Source and date are part of the record.

Shared catalogue checked 2026-08-28: 88 candidate data layers listed. Catalogue presence is not publication approval; only separately approved public projections may be shown.