Knight Street is in Sawbridgeworth and in East Hertfordshire district. CM21 9AX is located in the Sawbridgeworth 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 Knight Street, Sawbridgeworth, CM21 9AX and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CM21 9AB, CM21 9TD, CM21 9AE, CM21 9AJ, CM21 9QH, CM21 9AG, CM21 9EF, CM21 9QL, CM21 9BW.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding CM21 9AX has a slightly higher male population, with 50.3% 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 | 48.7% | 49.7% | 1.0% | 51.0% | -1.3% |
| Male | 51.3% | 50.3% | -1.0% | 49.0% | 1.3% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 30.3% | 29.8% | -0.5% | 37.9% | -8.1% |
| Married: Opposite sex | 47.6% | 50.4% | 2.8% | 44.2% | 6.2% |
| Married: Same sex | 0.8% | 0% | -0.8% | 0.3% | -0.3% |
| Separated | 3.9% | 1.6% | -2.3% | 2.2% | -0.6% |
| Divorced | 9.1% | 11.2% | 2.1% | 9.1% | 2.1% |
| Widowed | 8.3% | 7% | -1.3% | 6.1% | 0.9% |
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 (90.9%) 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 | 45.2% | 55.5% | 10.3% | 48.4% | 7.1% |
| Good health | 39% | 35.4% | -3.6% | 33.6% | 1.8% |
| Fair health | 12.3% | 5.8% | -6.5% | 12.7% | -6.9% |
| Bad health | 1.9% | 2.9% | 1.0% | 4.0% | -1.1% |
| Very bad health | 1.6% | 0.3% | -1.3% | 1.2% | -0.9% |
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.
In the area around CM21 9AX this area, 9.7% of residents have no qualifications. This is significantly lower than the UK average of 18.2%. This area stands out for its high percentage of residents with higher education degree or similar. The UK average is 33.8%, while in this area it is 49%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 15.7% | 9.7% | -6.0% | 18.2% | -8.5% |
| 1-4 GCSEs or Equivalent | 14.2% | 8.9% | -5.3% | 9.6% | -0.7% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 16.5% | 13.5% | -3.0% | 13.4% | 0.1% |
| Apprenticeship | 3.1% | 4.6% | 1.5% | 5.3% | -0.7% |
| HNC, HND or 2+ A Levels | 9.8% | 12.7% | 2.9% | 16.9% | -4.2% |
| Degree or Similar | 36.6% | 49% | 12.4% | 33.8% | 15.2% |
| Other | 3.9% | 1.5% | -2.4% | 2.8% | -1.3% |
In this area, the population is predominantly white, with 95.8% 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) | |
|---|---|---|---|---|---|
| Bangladeshi | 1.9% | 0% | -1.9% | 1.1% | -1.1% |
| Chinese | 2.3% | 0% | -2.3% | 0.7% | -0.7% |
| Other Asian | 0.6% | 0% | -0.6% | 1.6% | -1.6% |
| Black African | 0% | 1.3% | 1.3% | 2.5% | -1.2% |
| Mixed White and Asian | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| Mixed White and African | 0% | 0.6% | 0.6% | 0.4% | 0.2% |
| Mixed White and Caribbean | 0% | 0.6% | 0.6% | 0.9% | -0.3% |
| Mixed Other | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| White | 95.2% | 95.8% | 0.6% | 81.4% | 14.4% |
| Other | 0% | 1% | 1.0% | 1.6% | -0.6% |
In this area, 90.6% 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 | 92.6% | 90.6% | -2.0% | 83.2% | 7.4% |
| European Union | 1.6% | 2.9% | 1.3% | 6.1% | -3.2% |
| Rest of Europe | 0.3% | 0.3% | 0.0% | 0.8% | -0.5% |
| Africa | 0.6% | 2.9% | 2.3% | 2.7% | 0.2% |
| Middle East and Asia | 3.9% | 0.3% | -3.6% | 5.6% | -5.3% |
| The Americas and the Caribbean | 0.6% | 1.6% | 1.0% | 1.3% | 0.3% |
| Oceania | 0.3% | 1.3% | 1.0% | 0.3% | 1.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 92.6% | 90.6% | -2.0% | 83.2% | 7.4% |
| 10+ Years | 0% | 5.2% | 5.2% | 9.8% | -4.6% |
| 5-10 Years | 1.3% | 1.3% | 0.0% | 2.9% | -1.6% |
| 2-5 Years | 2.9% | 1.6% | -1.3% | 2.2% | -0.6% |
| Less than 2 years | 3.2% | 1.3% | -1.9% | 1.9% | -0.6% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 88.3% | 76.7% | 11.6% |
| Ireland | 0.3% | 0.6% | -0.3% |
| Italy | 0.3% | 0.6% | -0.3% |
| Portugal | 0.3% | 0.5% | -0.2% |
| Spain | 0.3% | 0.4% | -0.1% |
| Poland | 1.3% | 1.3% | 0.0% |
| Romania | 0.6% | 0.9% | -0.3% |
| Other EU countries | 0.6% | 1.5% | -0.9% |
| Central and Western Africa | 1% | 0.3% | 0.7% |
| North America and the Caribbean | 0.3% | 0.3% | 0.0% |
| Central and South America | 0.3% | 0.2% | 0.1% |
| Oceania | 0.3% | 0.1% | 0.2% |
| No passport held | 5.8% | 13.5% | -7.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 42.2% | 37.2% | 5.0% |
| Christian | 52.3% | 46.2% | 6.1% |
| Jewish | 1% | 0.5% | 0.5% |
| Muslim | 0.3% | 6.5% | -6.2% |
| Other religion | 0.6% | 0.6% | 0.0% |
| Not answered | 3.6% | 6.0% | -2.4% |
Over the last 12 months, the overall crime rate around Knight Street was 107.1 per 1,000 residents, which is 42.1% higher than the Sawbridgeworth average. The most reported crime type was Anti-social behaviour.
Knight Street has the 7th highest crime rate of 28 local areas in Sawbridgeworth and the 73rd highest crime rate of 456 local areas in East Hertfordshire .
Violent and sexual offences accounted for around 39.0 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -31.4%.

Households in this area have a higher level of wealth to the average household in England and Wales. 77% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Flat 4 33 - 45 Knight Street, Sawbridgeworth, Hertfordshire Flats/Maisonettes, an established residential building | £225,000 | 2021-04-29 | £235,692 |
| Flat 1 33 - 35 Knight Street, Sawbridgeworth, Hertfordshire Flats/Maisonettes, an established residential building | £170,000 | 2020-07-22 | £179,937 |
| 35 Knight Street, Sawbridgeworth, Hertfordshire Flats/Maisonettes, an established residential building | £205,000 | 2019-08-02 | £221,610 |
| 1 The Market House Knight Street, Sawbridgeworth, Hertfordshire Terraced, an established residential building | £520,000 | 2019-07-22 | £605,785 |
| 30 Knight Street, Sawbridgeworth, Hertfordshire Semi-Detached, an established residential building | £285,000 | 2017-10-18 | £338,579 |
CM21 9AX 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 9AX area has a low unemployment rate. According to Census 2021, 2% 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 | 101 |
| Retired | 67 |
| Self-Employed | 40 |
| Part-Time Employee | 20 |
| Student (economically inactive) | 7 |
| Looking after home or family | 6 |
| Other | 5 |
| Unemployed | 5 |
| Full-Time Student (with or without job) | 4 |
| Long-Term Sick or disabled | 3 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 32 |
| Transport and storage | 15 |
| Accommodation and food service activities | 15 |
| Professional, scientific and technical activities | 15 |
| Manufacturing | 14 |
| Financial and insurance activities | 13 |
| Construction | 12 |
| Human health and social work activities | 12 |
| Education | 11 |
| Information and communication | 10 |
| Administrative and support service activities | 10 |
| Other | 8 |
| Public administration and defence; compulsory social security | 5 |
| Real estate activities | 2 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Fawbert and Barnard Infants' School Knight Street , CM21 9AT | 4out of 4 | 188 yd | Community school | Yes | Mixed | More About School |
| Reedings Junior School Bullfields , CM21 9DD | 3out of 4 | 526 yd | Community school | No | Mixed | More About School |
| Mandeville Primary School West Road , CM21 0BL | 4out of 4 | 640 yd | Community school | Yes | Mixed | More About School |
| High Wych Church of England Primary School High Wych , CM21 0JB | 3out of 4 | 2,310 yd | Voluntary controlled school | Yes | Mixed | More About School |
| Spellbrook CofE Primary School London Road , Spellbrook CM23 4BA | 2out of 4 | 2,615 yd | Voluntary controlled 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 | 940 yd | Academy converter | Not Applicable | Mixed | More About School |
| Mark Hall Academy First Avenue , CM17 9LR | - not rated | 4,369 yd | Academy sponsor led | No | Mixed | More About School |
| The Bishop's Stortford High School London Road , CM23 3LU | 4out of 4 | 5,379 yd | Foundation school | No | Boys | More About School |
| Burnt Mill Academy First Avenue , CM20 2NR | 4out of 4 | 5,401 yd | Academy converter | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Nicholas School Hillingdon House , Hobbs Cross Road CM17 0NJ | - not rated | 4,182 yd | Other independent school | Yes | Mixed | More About School |
| St Elizabeth's Centre Perry Green , SG10 6EW | - not rated | 4,992 yd | Special post 16 institution | Not Applicable | Mixed | More About School |
| St Elizabeth's School South End , SG10 6EW | 3out of 4 | 4,992 yd | Non-maintained special school | No | Mixed | More About School |
| Howe Green House School Howe Green , Great Hallingbury CM22 7UF | - not rated | 5,099 yd | Other independent school | Yes | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Peking Palace | 31A Knight Street, Sawbridgeworth | 6 yd | |
| Coffee Box | 1 The Square, Sawbridgeworth | 48 yd | |
| Listed | 27 Bell Street, Sawbridgeworth | 133 yd | |
| Villa Italia | 48-52 Bell Street, Sawbridgeworth | 143 yd | |
| 4T | 40 Bell Street, Sawbridgeworth | 143 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| King William IV | 7 Vantorts Road, Sawbridgeworth | 111 yd | |
| The Old Bell | 38 Bell Street, Sawbridgeworth | 143 yd | |
| Queens Head | 26 Knight Street, Sawbridgeworth | 161 yd | |
| George Fourth | Knight Street, Sawbridgeworth | 161 yd | |
| The White Lion | London Road, Sawbridgeworth | 280 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Golden City | 13 Bell Street, Sawbridgeworth | 157 yd | |
| The Workshop Coffee House | 60B Station Road, Sawbridgeworth | 283 yd | |
| The Shop | Dorringtons Ltd, Station Road | 326 yd | |
| Bellwaris Indian Takeaway | Unit D1, The Maltings | 631 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| CO-OP | 30 London Road, Sawbridgeworth | 279 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Town Fields ALDERS WALK | grass pitches, tennis courts | 212 yd |
| Reedings Junior School BULLFIELDS | grass pitches | 466 yd |
| Bullfields CUTFORTH ROAD | grass pitches | 511 yd |
| Sawbridgeworth Town Football Club CROFTERS END | grass pitches | 802 yd |
| Leventhorpe Pool & Gym CAMBRIDGE ROAD | health and fitness suite, swimming pool | 934 yd |
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 | 63.3% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 63.3% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 63.3% |
| 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 | 77.1 Mbit/s |
| Average download speed | 138.4 Mbit/s |
| Minimum download speed | 500 Mbit/s |
| Maximum download speed | 500 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 19.8 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.