Alder Close is in Bishop'S Stortford and in East Hertfordshire district. CM23 4JX is located in the Bishop's Stortford Thorley Manor electoral ward, within the English Parliamentary constituency of Hertford and Stortford. This postcode has been in use since 1985-04-01.
StreetScan combines information about Alder Close, Bishop's Stortford, CM23 4JX and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CM23 4JZ, CM23 4JR, CM23 4FW, CM23 4NX, CM23 4JY, CM23 4JS, CM23 4GU, CM23 4EG, CM23 4FX.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CM23 4JX is generally consistent with those figures, having a male population of 48.9%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 48.8% | 51.1% | 2.3% | 51.0% | 0.1% |
| Male | 51.2% | 48.9% | -2.3% | 49.0% | -0.1% |
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 CM23 4JX there is a very large concentration of residents that are married - 64.6% 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 | 22.2% | 26.4% | 4.2% | 37.9% | -11.5% |
| Married: Opposite sex | 67% | 64.6% | -2.4% | 44.2% | 20.4% |
| Separated | 1.3% | 1.6% | 0.3% | 2.2% | -0.6% |
| Divorced | 7% | 4.3% | -2.7% | 9.1% | -4.8% |
| Widowed | 2.5% | 3.1% | 0.6% | 6.1% | -3.0% |
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 (90.6%) 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 | 65.5% | 57.7% | -7.8% | 48.4% | 9.3% |
| Good health | 30.6% | 32.9% | 2.3% | 33.6% | -0.7% |
| Fair health | 3.4% | 7.1% | 3.7% | 12.7% | -5.6% |
| Bad health | 0.5% | 2.2% | 1.7% | 4.0% | -1.8% |
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 CM23 4JX this area, 7.5% of residents have no qualifications. This is significantly lower than the UK average of 18.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 7.6% | 7.5% | -0.1% | 18.2% | -10.7% |
| 1-4 GCSEs or Equivalent | 15.2% | 8.1% | -7.1% | 9.6% | -1.5% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 16.8% | 15.5% | -1.3% | 13.4% | 2.1% |
| Apprenticeship | 2.5% | 5% | 2.5% | 5.3% | -0.3% |
| HNC, HND or 2+ A Levels | 13.7% | 19.9% | 6.2% | 16.9% | 3.0% |
| Degree or Similar | 40% | 41.6% | 1.6% | 33.8% | 7.8% |
| Other | 4.1% | 2.5% | -1.6% | 2.8% | -0.3% |
In this area, the population is predominantly white, with 90.2% 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 | 0% | 0.7% | 0.7% | 1.1% | -0.4% |
| Chinese | 0% | 0.2% | 0.2% | 0.7% | -0.5% |
| Indian | 0.9% | 1.5% | 0.6% | 3.1% | -1.6% |
| Pakistani | 2.3% | 3.2% | 0.9% | 2.7% | 0.5% |
| Other Asian | 0.7% | 1% | 0.3% | 1.6% | -0.6% |
| Black African | 0% | 0.5% | 0.5% | 2.5% | -2.0% |
| Other Black | 0% | 0.5% | 0.5% | 0.5% | 0.0% |
| Mixed White and Asian | 0% | 0.7% | 0.7% | 0.8% | -0.1% |
| Mixed White and African | 0% | 0.5% | 0.5% | 0.4% | 0.1% |
| White | 96.1% | 90.2% | -5.9% | 81.4% | 8.8% |
| Other | 0% | 1% | 1.0% | 1.6% | -0.6% |
In this area, 89.8% 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 | 93.4% | 89.8% | -3.6% | 83.2% | 6.6% |
| European Union | 2% | 2.9% | 0.9% | 6.1% | -3.2% |
| Rest of Europe | 1.4% | 2% | 0.6% | 0.8% | 1.2% |
| Africa | 0.7% | 1.5% | 0.8% | 2.7% | -1.2% |
| Middle East and Asia | 1.8% | 3.7% | 1.9% | 5.6% | -1.9% |
| The Americas and the Caribbean | 0.5% | 0.2% | -0.3% | 1.3% | -1.1% |
| Oceania | 0.2% | 0% | -0.2% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 93.2% | 90.4% | -2.8% | 83.2% | 7.2% |
| 10+ Years | 0.2% | 6.4% | 6.2% | 9.8% | -3.4% |
| 5-10 Years | 0.5% | 0.7% | 0.2% | 2.9% | -2.2% |
| 2-5 Years | 0.9% | 1.7% | 0.8% | 2.2% | -0.5% |
| Less than 2 years | 5.2% | 0.7% | -4.5% | 1.9% | -1.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 92.2% | 76.7% | 15.5% |
| Ireland | 0.5% | 0.6% | -0.1% |
| France | 0.7% | 0.3% | 0.4% |
| Germany | 0.2% | 0.2% | 0.0% |
| Italy | 0.2% | 0.6% | -0.4% |
| Spain | 0.2% | 0.4% | -0.2% |
| Poland | 0.7% | 1.3% | -0.6% |
| Romania | 0.7% | 0.9% | -0.2% |
| Turkey | 1% | 0.1% | 0.9% |
| Southern Asia | 0.7% | 1.2% | -0.5% |
| No passport held | 2.7% | 13.5% | -10.8% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 34.6% | 37.2% | -2.6% |
| Christian | 54.1% | 46.2% | 7.9% |
| Buddhist | 0.7% | 0.5% | 0.2% |
| Hindu | 0.5% | 1.7% | -1.2% |
| Jewish | 1% | 0.5% | 0.5% |
| Muslim | 5.7% | 6.5% | -0.8% |
| Other religion | 0.2% | 0.6% | -0.4% |
| Not answered | 3.2% | 6.0% | -2.8% |
Over the last 12 months, the overall crime rate around Alder Close was 17.2 per 1,000 residents, which is 82.7% lower than the Bishop's Stortford All Saints average. The most reported crime type was Violence and sexual offences.
Alder Close has the 16th lowest crime rate of 100 local areas in Bishop's Stortford All Saints and the 64th lowest crime rate of 456 local areas in East Hertfordshire .
Violent and sexual offences accounted for around 9.8 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 27.3%.

Households in this area have a much higher level of wealth compared to the average household in England and Wales. 91% 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 Alder Close, Bishop'S Stortford, Hertfordshire Detached, an established residential building | £477,000 | 2025-08-20 | £477,914 |
| 40 Alder Close, Bishop'S Stortford, Hertfordshire Terraced, an established residential building | £418,000 | 2025-07-14 | £422,023 |
| 44 Alder Close, Bishop'S Stortford, Hertfordshire Terraced, an established residential building | £385,000 | 2025-03-28 | £401,058 |
| 9 Alder Close, Bishop'S Stortford, Hertfordshire Detached, an established residential building | £500,000 | 2025-03-14 | £524,574 |
| 30 Alder Close, Bishop'S Stortford, Hertfordshire Terraced, an established residential building | £400,000 | 2025-02-24 | £423,411 |
CM23 4JX area has a low unemployment rate. According to Census 2021, 3% 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 | 133 |
| Retired | 59 |
| Part-Time Employee | 44 |
| Self-Employed | 27 |
| Student (economically inactive) | 18 |
| Looking after home or family | 12 |
| Unemployed | 11 |
| Full-Time Student (with or without job) | 8 |
| Other | 6 |
| Long-Term Sick or disabled | 4 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 37 |
| Education | 30 |
| Financial and insurance activities | 26 |
| Professional, scientific and technical activities | 25 |
| Human health and social work activities | 19 |
| Manufacturing | 19 |
| Construction | 17 |
| Public administration and defence; compulsory social security | 13 |
| Administrative and support service activities | 12 |
| Accommodation and food service activities | 11 |
| Transport and storage | 10 |
| Other | 7 |
| Information and communication | 7 |
| Real estate activities | 3 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Mining and quarrying | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Manor Fields Primary School Penningtons , CM23 4LE | 1out of 4 | 219 yd | Academy sponsor led | Yes | Mixed | More About School |
| Richard Whittington Primary School Thornbera Gardens , CM23 3NP | 3out of 4 | 1,033 yd | Community school | Yes | Mixed | More About School |
| St Joseph's Catholic Primary School Great Hadham Road , CM23 2NL | - not rated | 1,367 yd | Academy converter | Yes | Mixed | More About School |
| Hillmead Primary School Woburn Avenue , CM23 4PW | 3out of 4 | 1,418 yd | Community school | Yes | Mixed | More About School |
| Thorley Hill Primary School Park Lane , CM23 3NH | 3out of 4 | 1,546 yd | Community school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| The Bishop's Stortford High School London Road , CM23 3LU | 4out of 4 | 1,710 yd | Foundation school | No | Boys | More About School |
| St Mary's Catholic School Windhill , CM23 2NQ | - not rated | 1,825 yd | Academy converter | No | Mixed | More About School |
| The Hertfordshire & Essex High School and Science College Warwick Road , CM23 5NJ | 4out of 4 | 2,631 yd | Academy converter | No | Girls | More About School |
| Hockerill Anglo-European College Dunmow Road , CM23 5HX | 4out of 4 | 2,838 yd | Academy converter | Not Applicable | Mixed | More About School |
| Birchwood High School Parsonage Lane , CM23 5BD | 3out of 4 | 3,751 yd | Academy converter | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Bishop's Stortford College 10 Maze Green Road , CM23 2PJ | - not rated | 1,763 yd | Other independent school | No | Mixed | More About School |
| White Trees Independent School 13a London Road , Bishops Stortford CM23 5NA | - not rated | 1,858 yd | Other independent special school | Not Applicable | Mixed | More About School |
| Howe Green House School Howe Green , Great Hallingbury CM22 7UF | - not rated | 4,013 yd | Other independent school | Yes | Mixed | More About School |
| St Elizabeth's Centre Perry Green , SG10 6EW | - not rated | 5,071 yd | Special post 16 institution | Not Applicable | Mixed | More About School |
| St Elizabeth's School South End , SG10 6EW | 3out of 4 | 5,071 yd | Non-maintained special school | No | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Albert's | 13 Thorley Neighbourhood Centre, Villiers Sur Marne Avenue | 261 yd | |
| Flames Grill | 4 Thorley Centre, Villiers Sur Marne Avenue | 266 yd | |
| Jades | Thorley Centre, Villiers Sur Marne Avenue | 266 yd | |
| Blues Cafe | Bishops Stortford Comm Fc Northolt Juniors Clubhouse, Friedberg Avenue | 484 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Marne Inn | Villiers Sur Marne Avenue, Bishops Stortford | 266 yd | |
| Thorley Cricket Club | Thorley Lane East, Thorley | 266 yd | |
| The Harvest Moon | Friedberg Avenue, Bishops Stortford | 414 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Fish 'N' Chick'N | 8 Thorley Centre, Villiers Sur Marne Avenue | 266 yd | |
| Quickbites - Friedberg | Bishops Stortford Comm Fc Northolt Juniors Clubhouse, Friedberg Avenue | 484 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Sainsbury's | Villiers Sur Marne Avenue, Bishops Stortford | 266 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Manor Fields Primary School PENNINGTONS | grass pitches | 271 yd |
| Thorley Cricket Club WALNUT DRIVE | grass pitches | 476 yd |
| Friedberg Playing Fields THE BARONS | grass pitches | 575 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 | 95.8% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 95.8% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 95.8% |
| 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 | 100 Mbit/s |
| Average download speed | 183 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 19.8 Mbit/s |
| Average upload speed | 18.8 Mbit/s |
| Maximum upload speed | 50 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.