Sea King Crescent, Colchester, CO4 9RJ

People

Gender

In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding CO4 9RJ is primarily male, with 57.9% of the population being male. Several factors can contribute to this, including areas with industries or sectors that predominantly employ men, proximity to universities or technical schools with a higher enrollment of male students, presence of all-male or predominantly male institutions (military academies, boarding schools).

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Female	45.3%	42.1%	-3.2%	51.0%	-8.9%
Male	54.7%	57.9%	3.2%	49.0%	8.9%

Partnership Status

Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.

In the immediate area around CO4 9RJ, a significant portion of the population is single, making up 48.2% of the residents. On average, approximately 38% of individuals who responded to the census in the UK were single. Areas with higher single populations are typically urban centers, university towns, regions with dynamic job markets, rich cultural offerings and entertainment facilities. These regions also tend to have a younger demographic.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Single	47.9%	48.2%	0.3%	37.9%	10.3%
Married: Opposite sex	29.1%	29.4%	0.3%	44.2%	-14.8%
Separated	4.2%	3.7%	-0.5%	2.2%	1.5%
Divorced	15.5%	15.1%	-0.4%	9.1%	6.0%
Widowed	3.3%	3.7%	0.4%	6.1%	-2.4%

Health

Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.

Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Very good health	43.7%	41.9%	-1.8%	48.4%	-6.5%
Good health	36.2%	41.1%	4.9%	33.6%	7.5%
Fair health	16.5%	11.7%	-4.8%	12.7%	-1.0%
Bad health	2.4%	3.6%	1.2%	4.0%	-0.4%
Very bad health	1.2%	1.6%	0.4%	1.2%	0.4%

Education and Qualifications

During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.

This area stands out for its low percentage of residents with higher education degree. The UK average is 33.8%, while in this area it is 22.8%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
No qualifications	16.4%	16%	-0.4%	18.2%	-2.2%
1-4 GCSEs or Equivalent	12.7%	11.9%	-0.8%	9.6%	2.3%
5 or more GCSEs, an A-Level or 1-2 AS Levels	21.6%	13.7%	-7.9%	13.4%	0.3%
Apprenticeship	5.2%	8.7%	3.5%	5.3%	3.4%
HNC, HND or 2+ A Levels	15%	21.5%	6.5%	16.9%	4.6%
Degree or Similar	19.7%	22.8%	3.1%	33.8%	-11.0%
Other	9.4%	5.5%	-3.9%	2.8%	2.7%

Culture

Ethnic Group

This area closely mirrors the overall ethnic composition of the UK, with 84.6% of the population identifying as white, with UK average of 81.4%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Bangladeshi	0%	1.2%	1.2%	1.1%	0.1%
Chinese	0.4%	0%	-0.4%	0.7%	-0.7%
Indian	0%	1.2%	1.2%	3.1%	-1.9%
Other Asian	1.6%	4%	2.4%	1.6%	2.4%
Black African	3.5%	3.6%	0.1%	2.5%	1.1%
Black Caribbean	0%	1.6%	1.6%	1.0%	0.6%
Mixed White and Asian	0%	1.2%	1.2%	0.8%	0.4%
Mixed White and Caribbean	2.4%	1.2%	-1.2%	0.9%	0.3%
Mixed Other	0.4%	1.2%	0.8%	0.8%	0.4%
White	90.2%	84.6%	-5.6%	81.4%	3.2%
Arab	1.6%	0%	-1.6%	0.6%	-0.6%

Country of Birth

In this area, 81.8% of the population were born in the United Kingdom, which is similar to the UK average of 83.2%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
United Kingdom	85%	81.8%	-3.2%	83.2%	-1.4%
European Union	6.7%	9.3%	2.6%	6.1%	3.2%
Rest of Europe	0.4%	0%	-0.4%	0.8%	-0.8%
Africa	3.5%	2.8%	-0.7%	2.7%	0.1%
Middle East and Asia	3.9%	5.7%	1.8%	5.6%	0.1%
The Americas and the Caribbean	0.4%	0.4%	0.0%	1.3%	-0.9%

Length of Residence

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Born in the UK	85%	81.8%	-3.2%	83.2%	-1.4%
10+ Years	1.6%	12.1%	10.5%	9.8%	2.3%
5-10 Years	3.5%	1.6%	-1.9%	2.9%	-1.3%
2-5 Years	3.9%	4%	0.1%	2.2%	1.8%
Less than 2 years	5.9%	0.4%	-5.5%	1.9%	-1.5%

Passport Held

	2021	UK Average	postcode vs UK (pp)
United Kingdom	72%	76.7%	-4.7%
Ireland	0.4%	0.6%	-0.2%
Italy	0.4%	0.6%	-0.2%
Lithuania	0.8%	0.3%	0.5%
Poland	0.4%	1.3%	-0.9%
Romania	2%	0.9%	1.1%
Other EU countries	1.6%	1.5%	0.1%
Central and Western Africa	0.4%	0.3%	0.1%
South and Eastern Africa	0.4%	0.2%	0.2%
Southern Asia	1.2%	1.2%	0.0%
South-East Asia	2%	0.2%	1.8%
No passport held	18.3%	13.5%	4.8%

Religion

	2021	UK Average	postcode vs UK (pp)
No religion	45%	37.2%	7.8%
Christian	44.2%	46.2%	-2.0%
Buddhist	0.4%	0.5%	-0.1%
Muslim	2.8%	6.5%	-3.7%
Not answered	7.6%	6.0%	1.6%

Safety

Is Sea King Crescent Street dangerous?

Over the last 12 months, the overall crime rate around Sea King Crescent was 60.7 per 1,000 residents, which is 31.5% lower than the Highwoods average. The most reported crime type was Anti-social behaviour.

Sea King Crescent has the 29th lowest crime rate of 59 local areas in Highwoods and the 288th highest crime rate of 615 local areas in Colchester .

Violent and sexual offences accounted for around 20.2 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -58.1%.

🔎 See full breakdown of local crime, hotspots & trends

Affluence

Household Income

Households in this area have a slightly higher level of wealth to the average household in England and Wales. 65% of analyzed areas in England and Wales have lower average household annual income than this area.

Average Household Income
£49,200

Income Rank
7/10

Household Income in CO4 9RJ, Local Authority and Region

Deprivation

Index of Multiple Deprivation (IMD) - 7/10 (above average )
Indices of multiple deprivation (IMD) is used to classify the relative deprivation (a measure of poverty) of the area. It considers the following domains:
Income Deprivation Domain - 8/10 (high )
The Income Deprivation Domain measures the percentage of people in the population who are experiencing poverty due to having a low income. It includes both those who are unemployed and those who are employed but earn very little (and who satisfy the respective means tests).
Employment Deprivation Domain - 8/10 (high )
The Employment Deprivation Domain measures the proportion of the working-age population in an area involuntarily excluded from the labour market. This includes people who would like to work but are unable to do so due to unemployment, sickness or disability, or caring responsibilities.
Education, Skills and Training Domain - 8/10 (high )
The Education, Skills, and Training Deprivation Domain measures the lack of education and skills in a local area. It has two parts: one for children and young people, and one for adults. The part for children and young people looks at their school achievements ('flow'), while the part for adults looks at the number of adults without qualifications ('stock').
Health Deprivation and Disability Domain - 8/10 (high )
The Health Deprivation and Disability Domain measures the risk of early death and poor quality of life due to bad physical or mental health. It looks at illness, disability, and early death, but not at behaviors or environments that might affect future health.
Crime Domain - 7/10 (above average )
The Crime Domain measures the risk of people and property being victims of crime in a local area.
Barriers to Housing and Services Domain - 6/10 (average )
The Barriers to Housing and Services Domain measures how easy or hard it is to access housing and local services. It has two parts: one looks at how close local services are, and the other looks at issues like how affordable housing is.
Living Environment Deprivation Domain - 2/10 (very low )
The Living Environment Deprivation Domain measures the quality of the local environment. It has two parts: the "indoors" part looks at housing quality, and the "outdoors" part looks at air quality and road traffic accidents.
Income Deprivation Affecting Children Index (IDACI) - 8/10 (high )
The Income Deprivation Affecting Children Index (IDACI) measures how many children aged 0 to 15 live in low-income families. It is part of the Income Deprivation Domain, which looks at how many people in an area have low incomes. This includes both those who are unemployed and those who work but earn very little (and who satisfy the respective means tests).
Income Deprivation Affecting Older People Index (IDAOPI) - 9/10 (very high )
The Income Deprivation Affecting Older People Index (IDAOPI) measures the percentage of people aged 60 or older who have low income. It is part of the Income Deprivation Domain, which looks at how many people in an area have low income, including both unemployed people and those with low-paying jobs (and who satisfy the respective means tests).

Property Prices

Average property prices on Sea King Crescent are based on 70 property sales since the beginning of 1995. Estimated property prices are calculated by adjusting the last sale price by current House Price Index for Colchester.
StreetScan downloads house price data directly from the HM Land Registry and uses it to create these statistics.

House Prices for Sea King Crescent, Colchester, CO4 9RJ

Estimated Average Property Prices for CO4 9RJ

Average Price
£259,418

Semi-Detached
£246,036

Terraced
£252,111

Detached
£308,331

Flats/Maisonettes
no sales

Other
no sales

Estimated Average Property Prices for Sea King Crescent

Average Price
£256,004

Semi-Detached
£249,096

Terraced
£253,555

Detached
£298,396

Flats/Maisonettes
no sales

Other
no sales

Property Prices Comparison

Latest Property Sales on Sea King CrescentStreet

Address	Sale Price	Sale Date	Price Estimate 2025
1 Sea King Crescent, Colchester, Essex Semi-Detached, an established residential building	£240,000	2025-08-27	£238,534
2 Sea King Crescent, Colchester, Essex Detached, an established residential building	£235,000	2025-08-12	£233,780
3 Sea King Crescent, Colchester, Essex Semi-Detached, an established residential building	£270,000	2025-02-21	£274,500
13 Sea King Crescent, Colchester, Essex Semi-Detached, an established residential building	£245,000	2023-10-13	£253,843
10 Sea King Crescent, Colchester, Essex Semi-Detached, an established residential building	£230,000	2023-06-09	£234,812

View All Property Sales and Other Statistics for CO4 9RJ

Employment

Economic Activity

Full-Time Employee	101
Retired	27
Part-Time Employee	22
Self-Employed	15
Long-Term Sick or disabled	13
Unemployed	12
Looking after home or family	12
Student (economically inactive)	8
Other	6
Full-Time Student (with or without job)	3

Employment Industry

Wholesale and retail trade; repair of motor vehicles and motor cycles	32
Human health and social work activities	23
Construction	19
Manufacturing	14
Transport and storage	13
Accommodation and food service activities	13
Education	12
Administrative and support service activities	9
Public administration and defence; compulsory social security	7
Financial and insurance activities	4
Professional, scientific and technical activities	2
Information and communication	2
Real estate activities	1

Schools

Primary

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
Highwoods Community Primary School Tynedale Square , Highwoods CO4 9SN	3out of 4	200 yd	Academy converter	No	Mixed	More About School
Brinkley Grove Primary School Rawlings Crescent , Highwoods CO4 9GF	3out of 4	440 yd	Foundation school	No	Mixed	More About School
St John's Church of England Voluntary Controlled Primary School, Colchester Clay Lane Grove , CO4 0HH	3out of 4	773 yd	Voluntary controlled school	No	Mixed	More About School
Friars Grove Primary School Upland Drive , CO4 0PZ	3out of 4	1,283 yd	Community school	No	Mixed	More About School
Camulos Academy Whitmore Drive , Via Urbis Romanea CO4 6AL	3out of 4	1,519 yd	Academy sponsor led	No	Mixed	More About School

Secondary

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
The Gilberd School Brinkley Lane , CO4 9PU	4out of 4	422 yd	Academy converter	Not Applicable	Mixed	More About School
The Trinity School Brinkley Lane , CO4 9PU	- not rated	472 yd	Free schools	No	Mixed	More About School
Colchester Academy Hawthorn Avenue , CO4 3JL	3out of 4	2,643 yd	Academy sponsor led	Not Applicable	Mixed	More About School
St Helena School Sheepen Road , CO3 3LE	3out of 4	3,046 yd	Academy converter	Not Applicable	Mixed	More About School
Colchester Royal Grammar School Lexden Road , CO3 3ND	4out of 4	3,891 yd	Academy converter	Not Applicable	Boys	More About School

16 plus

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
The Sixth Form College Colchester North Hill , CO1 1SN	- not rated	3,132 yd	Further education	Not Applicable	Mixed	More About School
Colchester Institute Sheepen Road , CO3 3LL	- not rated	3,184 yd	Further education	Not Applicable	Mixed	More About School

Not applicable

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
North East Essex Co-operative Academy Turner Road , Mile End CO4 5LB	3out of 4	1,419 yd	Academy alternative provision converter	Not Applicable	Mixed	More About School
The St Aubyn Centre Education Department St Aubyn Centre , CO4 5HG	4out of 4	1,992 yd	Pupil referral unit	Not Applicable	Mixed	More About School
Colchester High School Wellesley Road , CO3 3HD	- not rated	3,753 yd	Other independent school	Yes	Mixed	More About School
Oxford House School 2 Lexden Road , CO3 3NE	- not rated	3,798 yd	Other independent school	Yes	Mixed	More About School
Kingswode Hoe School Sussex Road , CO3 3QJ	3out of 4	3,864 yd	Academy special converter	Not Applicable	Mixed	More About School

School statistics for this postcode are based on Ofsted rankings.

Food and Drink

Restaurants, Cafes, Canteens

Business Name	Address	Distance
Tesco Family Dining Ltd	Tesco Family Dining Tesco Supermarket, Highwoods Square	196 yd
Refresh Cafe	Unit 2, Phoenix Square	658 yd
Fitness For Less	Unit 2, Phoenix Square	658 yd

Takeaway, Sandwich Shops

Business Name	Address	Food hygiene rating	Distance
Delish hot pot catering services	133 Gavin Way, Colchester		997 yd

Sport

Facility Name	Sport Objects	Distance
Highwood Community Primary School TYNEDALE SQUARE	grass pitches	267 yd
Brinkley Grove Primary School RAWLINGS CRESCENT	grass pitches	497 yd
St Johns C Of E Primary School CLAY LANE GROVE	grass pitches	631 yd
Fitness4Less (Colchester) UNIT 2 UNIT 2 WYNCOLLS ROAD	health and fitness suite, swimming pool	659 yd
Crossfit Colchester HECKWORTH CLOSE	health and fitness suite	1,077 yd

Broadband

Technology Aviability

Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband	100.0%
Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband	89.3%
Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband	89.3%
Percentage of premises that have coverage from a Gigabit capable service from fixed broadband	89.3%

Speed Aviability

Percentage of premises unable to receive 2Mbit/s	0.0%
Percentage of premises unable to receive 5Mbit/s	0.0%
Percentage of premises unable to receive 10Mbit/s	0.0%
Percentage of premises unable to receive 30Mbit/s	0.0%

Download Speed

Median download speed	69 Mbit/s
Average download speed	123.7 Mbit/s
Minimum download speed	600 Mbit/s
Maximum download speed	600 Mbit/s

Upload Speed

Median upload speed	19.8 Mbit/s
Average upload speed	17.5 Mbit/s
Maximum upload speed	40 Mbit/s

Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.