CM21 0LX is in Trimms Green, Sawbridgeworth and East Hertfordshire district. CM21 0LX is located in the Much Hadham electoral ward, within the English Parliamentary constituency of Hertford and Stortford. This postcode has been in use since 1980-01-01.
StreetScan combines information about Trimms Green, Sawbridgeworth, CM21 0LX and displays a report on the quality of life in this place and its surroundings.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding CM21 0LX has a slightly higher male population, with 50.7% of residents 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 | 52.9% | 49.3% | -3.6% | 51.0% | -1.7% |
| Male | 47.1% | 50.7% | 3.6% | 49.0% | 1.7% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate vicinity of CM21 0LX there is a very large concentration of residents that are married - 58.7% of the resident population. In contrast, the average marriage rate across the census is about 44%.
Areas with a high percentage of married residents are typically suburban neighborhoods, towns with good schools and family-friendly amenities, and regions with affordable, spacious housing options. Additionally, such areas can be popular among retirees.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 21.9% | 29.2% | 7.3% | 37.9% | -8.7% |
| Married: Opposite sex | 65.3% | 58.7% | -6.6% | 44.2% | 14.5% |
| Married: Same sex | 0.3% | 0.3% | 0.0% | 0.3% | 0.0% |
| Separated | 2.9% | 1.8% | -1.1% | 2.2% | -0.4% |
| Divorced | 6.4% | 7.1% | 0.7% | 9.1% | -2.0% |
| Widowed | 3.2% | 3% | -0.2% | 6.1% | -3.1% |
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.
This area has a high percentage of residents reporting their health as Good or Very Good (89.2%) compared to the average (82%). This typically indicates either a younger population or more affluent area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 51.7% | 58.4% | 6.7% | 48.4% | 10.0% |
| Good health | 32.7% | 30.8% | -1.9% | 33.6% | -2.8% |
| Fair health | 11.9% | 8.8% | -3.1% | 12.7% | -3.9% |
| Bad health | 3.4% | 2% | -1.4% | 4.0% | -2.0% |
| Very bad health | 0.2% | 0% | -0.2% | 1.2% | -1.2% |
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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 18.7% | 14.1% | -4.6% | 18.2% | -4.1% |
| 1-4 GCSEs or Equivalent | 14.9% | 8% | -6.9% | 9.6% | -1.6% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 14% | 18.8% | 4.8% | 13.4% | 5.4% |
| Apprenticeship | 2.3% | 6.3% | 4.0% | 5.3% | 1.0% |
| HNC, HND or 2+ A Levels | 12.5% | 14.3% | 1.8% | 16.9% | -2.6% |
| Degree or Similar | 35.3% | 36.2% | 0.9% | 33.8% | 2.4% |
| Other | 2.3% | 2.3% | 0.0% | 2.8% | -0.5% |
In this area, the population is predominantly white, with 96.8% identifying as such, significantly higher than the UK average of 81.4%. This indicates a lower level of ethnic diversity compared to the broader UK population.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Indian | 0.2% | 1.6% | 1.4% | 3.1% | -1.5% |
| Other Asian | 0.2% | 0.2% | 0.0% | 1.6% | -1.4% |
| Black African | 0% | 0.2% | 0.2% | 2.5% | -2.3% |
| Black Caribbean | 0.2% | 0% | -0.2% | 1.0% | -1.0% |
| Mixed White and Asian | 1.1% | 0.2% | -0.9% | 0.8% | -0.6% |
| Mixed White and Caribbean | 0% | 0.2% | 0.2% | 0.9% | -0.7% |
| Mixed Other | 0% | 0.6% | 0.6% | 0.8% | -0.2% |
| White | 97.9% | 96.8% | -1.1% | 81.4% | 15.4% |
| Other | 0.2% | 0.2% | 0.0% | 1.6% | -1.4% |
In this area, 95.2% of the population were born in the United Kingdom, which is higher than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 95.7% | 95.2% | -0.5% | 83.2% | 12.0% |
| European Union | 2.3% | 3.4% | 1.1% | 6.1% | -2.7% |
| Rest of Europe | 0% | 0.4% | 0.4% | 0.8% | -0.4% |
| Africa | 0.7% | 0% | -0.7% | 2.7% | -2.7% |
| Middle East and Asia | 0.5% | 0.6% | 0.1% | 5.6% | -5.0% |
| The Americas and the Caribbean | 0.5% | 0.2% | -0.3% | 1.3% | -1.1% |
| Oceania | 0.2% | 0.2% | 0.0% | 0.3% | -0.1% |
| British Overseas | 0.2% | 0% | -0.2% | 0.0% | 0.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 95.2% | 95.2% | 0.0% | 83.2% | 12.0% |
| 10+ Years | 1.1% | 2.8% | 1.7% | 9.8% | -7.0% |
| 5-10 Years | 0.2% | 0.8% | 0.6% | 2.9% | -2.1% |
| 2-5 Years | 0.7% | 1% | 0.3% | 2.2% | -1.2% |
| Less than 2 years | 2.7% | 0.2% | -2.5% | 1.9% | -1.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 90.2% | 76.7% | 13.5% |
| Ireland | 0.4% | 0.6% | -0.2% |
| Germany | 0.2% | 0.2% | 0.0% |
| Lithuania | 0.2% | 0.3% | -0.1% |
| Romania | 0.6% | 0.9% | -0.3% |
| Other EU countries | 1.6% | 1.5% | 0.1% |
| South-East Asia | 0.2% | 0.2% | 0.0% |
| Central and South America | 0.2% | 0.2% | 0.0% |
| No passport held | 6.4% | 13.5% | -7.1% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 41.9% | 37.2% | 4.7% |
| Christian | 47.5% | 46.2% | 1.3% |
| Jewish | 1.8% | 0.5% | 1.3% |
| Muslim | 0.4% | 6.5% | -6.1% |
| Sikh | 1.4% | 0.9% | 0.5% |
| Other religion | 0.2% | 0.6% | -0.4% |
| Not answered | 6.8% | 6.0% | 0.8% |
Over the last 12 months, the overall crime rate around CM21 0LX was 38.6 per 1,000 residents, which is 0.2% higher than the Bishop's Stortford South average. The most reported crime type was Anti-social behaviour.
CM21 0LX has the 10th lowest crime rate of 19 local areas in Bishop's Stortford South and the 176th lowest crime rate of 456 local areas in East Hertfordshire .
Violent and sexual offences accounted for around 7.4 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -68.7%.

Households in this area have a higher level of wealth to the average household in England and Wales. 84% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 4, Sawbridgeworth, Hertfordshire Semi-Detached, an established residential building | £398,000 | 2013-12-20 | £666,936 |
| 6, Sawbridgeworth, Hertfordshire Detached, a newly built property | £300,000 | 2003-09-25 | £668,240 |
| 4, Sawbridgeworth, Hertfordshire Semi-Detached, an established residential building | £145,000 | 2000-03-20 | £559,210 |
| 5, Sawbridgeworth, Hertfordshire Semi-Detached, an established residential building | £140,000 | 2000-01-21 | £537,949 |
| 3, Sawbridgeworth, Hertfordshire Detached, an established residential building | £149,500 | 1999-04-23 | £628,263 |
CM21 0LX area has a very high level of entrepreneurship. Only 8% of streets have higher percent of entrepreneur residents. 16% of population in this area is self-employed, while the average in the UK is 9.7%. High number of entrepreneurs usually leads to relatively high economic growth, higher paid jobs and better quality of life in the area.
CM21 0LX area has a low unemployment rate. According to Census 2021, 1% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.
| Full-Time Employee | 148 |
| Retired | 81 |
| Self-Employed | 63 |
| Part-Time Employee | 48 |
| Looking after home or family | 21 |
| Student (economically inactive) | 13 |
| Other | 8 |
| Full-Time Student (with or without job) | 7 |
| Long-Term Sick or disabled | 6 |
| Unemployed | 5 |
| Professional, scientific and technical activities | 29 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 28 |
| Human health and social work activities | 28 |
| Construction | 26 |
| Financial and insurance activities | 24 |
| Education | 17 |
| Manufacturing | 15 |
| Agriculture, forestry and fishing | 14 |
| Accommodation and food service activities | 12 |
| Administrative and support service activities | 12 |
| Other | 11 |
| Information and communication | 6 |
| Transport and storage | 6 |
| Public administration and defence; compulsory social security | 4 |
| Real estate activities | 3 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Spellbrook CofE Primary School London Road , Spellbrook CM23 4BA | 2out of 4 | 1,975 yd | Voluntary controlled school | Yes | Mixed | More About School |
| Mandeville Primary School West Road , CM21 0BL | 4out of 4 | 2,320 yd | Community school | Yes | Mixed | More About School |
| Reedings Junior School Bullfields , CM21 9DD | 3out of 4 | 2,629 yd | Community school | No | Mixed | More About School |
| Fawbert and Barnard Infants' School Knight Street , CM21 9AT | 4out of 4 | 2,956 yd | Community school | Yes | Mixed | More About School |
| Richard Whittington Primary School Thornbera Gardens , CM23 3NP | 3out of 4 | 3,176 yd | Community school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Leventhorpe Cambridge Road , CM21 9BY | 4out of 4 | 2,168 yd | Academy converter | Not Applicable | Mixed | More About School |
| The Bishop's Stortford High School London Road , CM23 3LU | 4out of 4 | 3,616 yd | Foundation school | No | Boys | More About School |
| St Mary's Catholic School Windhill , CM23 2NQ | - not rated | 4,716 yd | Academy converter | No | Mixed | More About School |
| The Hertfordshire & Essex High School and Science College Warwick Road , CM23 5NJ | 4out of 4 | 5,074 yd | Academy converter | No | Girls | More About School |
| Hockerill Anglo-European College Dunmow Road , CM23 5HX | 4out of 4 | 5,404 yd | Academy converter | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Elizabeth's Centre Perry Green , SG10 6EW | - not rated | 3,129 yd | Special post 16 institution | Not Applicable | Mixed | More About School |
| St Elizabeth's School South End , SG10 6EW | 3out of 4 | 3,129 yd | Non-maintained special school | No | Mixed | More About School |
| White Trees Independent School 13a London Road , Bishops Stortford CM23 5NA | - not rated | 4,653 yd | Other independent special school | Not Applicable | Mixed | More About School |
| Howe Green House School Howe Green , Great Hallingbury CM22 7UF | - not rated | 4,717 yd | Other independent school | Yes | Mixed | More About School |
| Bishop's Stortford College 10 Maze Green Road , CM23 2PJ | - not rated | 4,730 yd | Other independent school | No | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
This statistics are based on Active Places Data - Contains Data © Sport England
| 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 | 84.6% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 84.6% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 84.6% |
| 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% |
| Median download speed | 62.1 Mbit/s |
| Average download speed | 166.8 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 11.5 Mbit/s |
| Average upload speed | 25.1 Mbit/s |
| Maximum upload speed | 115 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.