Blackdown Close is in Stevenage and in North Hertfordshire district. SG1 6AY is located in the Great Ashby electoral ward, within the English Parliamentary constituency of Hitchin and Harpenden. This postcode has been in use since 2000-06-01.
StreetScan combines information about Blackdown Close, Stevenage, SG1 6AY and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: SG1 6AX, SG1 6AZ, SG1 6BB, SG1 6BA, SG1 6DR, SG1 6NH, SG1 6DP, SG1 6BH, SG1 6DQ.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around SG1 6AY is generally consistent with those figures, having a male population of 49.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 47.1% | 50.8% | 3.7% | 51.0% | -0.2% |
| Male | 52.9% | 49.2% | -3.7% | 49.0% | 0.2% |
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 | 33.9% | 36.8% | 2.9% | 37.9% | -1.1% |
| Married: Opposite sex | 51.3% | 48.2% | -3.1% | 44.2% | 4.0% |
| Married: Same sex | 0% | 0.9% | 0.9% | 0.3% | 0.6% |
| Separated | 4.3% | 1.8% | -2.5% | 2.2% | -0.4% |
| Divorced | 9.1% | 9.6% | 0.5% | 9.1% | 0.5% |
| Widowed | 1.3% | 2.6% | 1.3% | 6.1% | -3.5% |
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 (88.1%) 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 | 59.6% | 55.5% | -4.1% | 48.4% | 7.1% |
| Good health | 35.4% | 32.6% | -2.8% | 33.6% | -1.0% |
| Fair health | 3.5% | 8.5% | 5.0% | 12.7% | -4.2% |
| Bad health | 1% | 3.1% | 2.1% | 4.0% | -0.9% |
| Very bad health | 0.6% | 0.3% | -0.3% | 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 SG1 6AY this area, 8.3% 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 | 10.9% | 8.3% | -2.6% | 18.2% | -9.9% |
| 1-4 GCSEs or Equivalent | 14.3% | 10.4% | -3.9% | 9.6% | 0.8% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 14.3% | 18.3% | 4.0% | 13.4% | 4.9% |
| Apprenticeship | 3.9% | 3.9% | 0.0% | 5.3% | -1.4% |
| HNC, HND or 2+ A Levels | 11.7% | 20.9% | 9.2% | 16.9% | 4.0% |
| Degree or Similar | 40.9% | 37% | -3.9% | 33.8% | 3.2% |
| Other | 3.9% | 1.3% | -2.6% | 2.8% | -1.5% |
This area closely mirrors the overall ethnic composition of the UK, with 75% of the population identifying as white, with UK average of 81.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Chinese | 1.6% | 0.6% | -1.0% | 0.7% | -0.1% |
| Indian | 1.3% | 4.4% | 3.1% | 3.1% | 1.3% |
| Pakistani | 0% | 0.9% | 0.9% | 2.7% | -1.8% |
| Other Asian | 0.6% | 0% | -0.6% | 1.6% | -1.6% |
| Black African | 4.1% | 7.6% | 3.5% | 2.5% | 5.1% |
| Black Caribbean | 1% | 2.5% | 1.5% | 1.0% | 1.5% |
| Other Black | 1.3% | 1.6% | 0.3% | 0.5% | 1.1% |
| Mixed White and Asian | 1.6% | 2.5% | 0.9% | 0.8% | 1.7% |
| Mixed White and African | 0% | 0.3% | 0.3% | 0.4% | -0.1% |
| Mixed White and Caribbean | 2.2% | 1.3% | -0.9% | 0.9% | 0.4% |
| Mixed Other | 1% | 2.2% | 1.2% | 0.8% | 1.4% |
| White | 85.4% | 75% | -10.4% | 81.4% | -6.4% |
| Arab | 0% | 0.3% | 0.3% | 0.6% | -0.3% |
| Other | 0% | 0.6% | 0.6% | 1.6% | -1.0% |
In this area, 87.2% 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 | 89.2% | 87.2% | -2.0% | 83.2% | 4.0% |
| European Union | 4.1% | 3.1% | -1.0% | 6.1% | -3.0% |
| Rest of Europe | 0.3% | 0.9% | 0.6% | 0.8% | 0.1% |
| Africa | 2.2% | 3.8% | 1.6% | 2.7% | 1.1% |
| Middle East and Asia | 3.2% | 2.8% | -0.4% | 5.6% | -2.8% |
| The Americas and the Caribbean | 0.6% | 2.2% | 1.6% | 1.3% | 0.9% |
| Oceania | 0.3% | 0% | -0.3% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 88.2% | 87.2% | -1.0% | 83.2% | 4.0% |
| 10+ Years | 0.3% | 7.8% | 7.5% | 9.8% | -2.0% |
| 5-10 Years | 2.2% | 2.2% | 0.0% | 2.9% | -0.7% |
| 2-5 Years | 5.7% | 0.9% | -4.8% | 2.2% | -1.3% |
| Less than 2 years | 3.5% | 1.9% | -1.6% | 1.9% | 0.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 85% | 76.7% | 8.3% |
| Germany | 0.3% | 0.2% | 0.1% |
| Poland | 2.2% | 1.3% | 0.9% |
| Romania | 0.3% | 0.9% | -0.6% |
| Other EU countries | 1.3% | 1.5% | -0.2% |
| Central and Western Africa | 1.6% | 0.3% | 1.3% |
| Eastern Asia | 0.3% | 0.3% | 0.0% |
| North America and the Caribbean | 1.3% | 0.3% | 1.0% |
| No passport held | 7.8% | 13.5% | -5.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 47.6% | 37.2% | 10.4% |
| Christian | 43.3% | 46.2% | -2.9% |
| Buddhist | 0.6% | 0.5% | 0.1% |
| Hindu | 2.2% | 1.7% | 0.5% |
| Jewish | 0.9% | 0.5% | 0.4% |
| Muslim | 1.6% | 6.5% | -4.9% |
| Sikh | 1.3% | 0.9% | 0.4% |
| Other religion | 0.3% | 0.6% | -0.3% |
| Not answered | 2.2% | 6.0% | -3.8% |
Over the last 12 months, the overall crime rate around Blackdown Close was 35.6 per 1,000 residents, which is 46.7% lower than the Graveley, St Ippolyts & Wymondley average. The most reported crime type was Violence and sexual offences.
Blackdown Close has the 12th lowest crime rate of 23 local areas in Graveley, St Ippolyts & Wymondley and the 145th lowest crime rate of 414 local areas in North Hertfordshire .
Violent and sexual offences accounted for around 23.7 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -77.2%.

Households in this area have a higher level of wealth to the average household in England and Wales. 83% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 41 Blackdown Close, Stevenage, Hertfordshire Semi-Detached, an established residential building | £500,000 | 2026-02-16 | £502,345 |
| 21 Blackdown Close, Stevenage, Hertfordshire Semi-Detached, an established residential building | £435,000 | 2021-07-01 | £505,847 |
| 39 Blackdown Close, Stevenage, Hertfordshire Detached, an established residential building | £450,000 | 2021-06-02 | £516,812 |
| 15 Blackdown Close, Stevenage, Hertfordshire Terraced, an established residential building | £274,000 | 2021-01-22 | £314,746 |
| 45 Blackdown Close, Stevenage, Hertfordshire Terraced, an established residential building | £380,000 | 2020-07-10 | £461,893 |
SG1 6AY area has a very high level of entrepreneurship. Only 14% of streets have higher percent of entrepreneur residents. 14% 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.
SG1 6AY 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 | 123 |
| Self-Employed | 31 |
| Part-Time Employee | 28 |
| Retired | 16 |
| Looking after home or family | 9 |
| Student (economically inactive) | 9 |
| Unemployed | 4 |
| Full-Time Student (with or without job) | 4 |
| Long-Term Sick or disabled | 3 |
| Other | 0 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 31 |
| Manufacturing | 18 |
| Public administration and defence; compulsory social security | 17 |
| Administrative and support service activities | 15 |
| Construction | 15 |
| Education | 15 |
| Human health and social work activities | 13 |
| Financial and insurance activities | 13 |
| Professional, scientific and technical activities | 13 |
| Information and communication | 11 |
| Transport and storage | 9 |
| Other | 8 |
| Accommodation and food service activities | 7 |
| Real estate activities | 4 |
| Agriculture, forestry and fishing | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Peartree Way Nursery School Peartree Way , SG2 9EA | 3out of 4 | 4,715 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Round Diamond Primary School Whitehorse Lane , Great Ashby Way SG1 6NH | 4out of 4 | 279 yd | Academy converter | Yes | Mixed | More About School |
| Round Diamond Primary School Whitehorse Lane , Great Ashby Way SG1 6NH | - not rated | 279 yd | Community school | Yes | Mixed | More About School |
| Wellfield Wood Junior School Ripon Road , SG1 4QZ | - not rated | 919 yd | Community school | Not Applicable | Mixed | More About School |
| Wellfield Wood Infant School Ripon Road , SG1 4QZ | - not rated | 919 yd | Community school | Not Applicable | Mixed | More About School |
| The Leys Primary and Nursery School Ripon Road , SG1 4QZ | 3out of 4 | 919 yd | Community school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| The Nobel School Mobbsbury Way , SG2 0HS | 3out of 4 | 2,381 yd | Foundation school | No | Mixed | More About School |
| Barclay School Walkern Road , SG1 3RB | - not rated | 3,090 yd | Community school | No | Mixed | More About School |
| Barclay Academy Walkern Road , SG1 3RB | 3out of 4 | 3,090 yd | Academy sponsor led | No | Mixed | More About School |
| Marriotts School Brittain Way , SG2 8UT | 3out of 4 | 3,353 yd | Community school | No | Mixed | More About School |
| The Thomas Alleyne Academy High Street , SG1 3BE | 3out of 4 | 3,407 yd | Academy sponsor led | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| North Hertfordshire College Monkswood Way , SG1 1LA | - not rated | 4,700 yd | Further education | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Hilltop School Webb Rise , SG1 5QU | - not rated | 2,790 yd | Community special school | Not Applicable | Boys | More About School |
| High Wick School Webb Rise , SG1 5QU | - not rated | 2,790 yd | Community special school | Not Applicable | Mixed | More About School |
| Larwood School Larwood Drive , SG1 5BZ | 3out of 4 | 2,790 yd | Academy special converter | Not Applicable | Mixed | More About School |
| Larwood School Webb Rise , SG1 5QU | - not rated | 2,790 yd | Foundation special school | Not Applicable | Mixed | More About School |
| Stevenage Education Support Centre Collenswood Road , SG2 9HQ | 4out of 4 | 2,858 yd | Pupil referral unit | Not Applicable | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Dine Ltd | Dine Ltd C/O Allied Bakeries, Cartwright Road | 863 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Fortune's places | Unit 1, The Neighbourhood Centre Whitehorse Lane, Great Ashby | 152 yd | |
| PIVORA | Unit 2, The Neighbourhood Centre Whitehorse Lane, Great Ashby | 152 yd | |
| Smoky Boys | 37 Wedgwood Way, Stevenage | 544 yd | |
| Snack Attack | Pitch 1, Boulton Road | 660 yd | |
| Famous Chef | 16 Wedgwood Gate Industrial Estate, Wedgwood Way | 702 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Budgens | Unit 6, The Neighbourhood Centre Whitehorse Lane, Great Ashby | 152 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Round Diamond Primary School WHITEHORSE LANE | artificial grass pitch | 283 yd |
| Dominate Fitness Ltd (Closed) Senate Place Senate Place Whitworth Road | health and fitness suite | 427 yd |
| St. Nicholas Park CHERWELL DRIVE | grass pitches | 483 yd |
| Renegade Fitness Academy SENATE PLACE SENATE PLACE WHITWORTH ROAD | health and fitness suite | 503 yd |
| Just For Women (Dominate Fitness Ltd) UNIT 1 UNIT 1 WEDGEWOOD WAY | health and fitness suite | 730 yd |
| Changes Gym (Closed) Unit 1 Unit 1 Wedgewood Way | health and fitness suite | 754 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 | 100.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 100.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 100.0% |
| 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 | 134.4 Mbit/s |
| Minimum download speed | 500 Mbit/s |
| Maximum download speed | 500 Mbit/s |
| Median upload speed | 10 Mbit/s |
| Average upload speed | 14.3 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.