Onslow Close is in Hatfield and in Welwyn Hatfield district. AL10 8BU is located in the Hatfield East electoral ward, within the English Parliamentary constituency of Welwyn Hatfield. This postcode has been in use since 1980-01-01.
StreetScan combines information about Onslow Close, Hatfield, AL10 8BU and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: AL10 8AA, AL10 8BP, AL10 8BT, AL10 8BZ, AL10 8BW, AL10 8BS, AL10 8BL, AL10 8BN, AL10 8AN.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding AL10 8BU 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 | 55% | 49.7% | -5.3% | 51.0% | -1.3% |
| Male | 45% | 50.3% | 5.3% | 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 | 41.8% | 38.8% | -3.0% | 37.9% | 0.9% |
| Married: Opposite sex | 29.1% | 29.7% | 0.6% | 44.2% | -14.5% |
| Married: Same sex | 1.1% | 0% | -1.1% | 0.3% | -0.3% |
| Civil partnership: Opposite sex | 0% | 1.8% | 1.8% | 0.1% | 1.7% |
| Separated | 3.7% | 6.1% | 2.4% | 2.2% | 3.9% |
| Divorced | 10.6% | 13.9% | 3.3% | 9.1% | 4.8% |
| Widowed | 13.8% | 9.7% | -4.1% | 6.1% | 3.6% |
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 | 39.8% | 39.7% | -0.1% | 48.4% | -8.7% |
| Good health | 32.2% | 35.7% | 3.5% | 33.6% | 2.1% |
| Fair health | 19.9% | 18.6% | -1.3% | 12.7% | 5.9% |
| Bad health | 5.2% | 4.5% | -0.7% | 4.0% | 0.5% |
| Very bad health | 2.8% | 1.5% | -1.3% | 1.2% | 0.3% |
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 | 36% | 26.7% | -9.3% | 18.2% | 8.5% |
| 1-4 GCSEs or Equivalent | 10.1% | 9.7% | -0.4% | 9.6% | 0.1% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 11.6% | 10.9% | -0.7% | 13.4% | -2.5% |
| Apprenticeship | 2.6% | 7.3% | 4.7% | 5.3% | 2.0% |
| HNC, HND or 2+ A Levels | 12.2% | 12.7% | 0.5% | 16.9% | -4.2% |
| Degree or Similar | 16.9% | 27.9% | 11.0% | 33.8% | -5.9% |
| Other | 10.6% | 4.8% | -5.8% | 2.8% | 2.0% |
This area closely mirrors the overall ethnic composition of the UK, with 78.4% 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% | 1.5% | 1.5% | 1.1% | 0.4% |
| Chinese | 1.9% | 1.5% | -0.4% | 0.7% | 0.8% |
| Indian | 0% | 2.6% | 2.6% | 3.1% | -0.5% |
| Pakistani | 2.4% | 3.1% | 0.7% | 2.7% | 0.4% |
| Other Asian | 2.8% | 1% | -1.8% | 1.6% | -0.6% |
| Black African | 5.7% | 3.6% | -2.1% | 2.5% | 1.1% |
| Black Caribbean | 1.9% | 1.5% | -0.4% | 1.0% | 0.5% |
| Other Black | 0.5% | 0.5% | 0.0% | 0.5% | 0.0% |
| Mixed White and African | 0.5% | 0% | -0.5% | 0.4% | -0.4% |
| Mixed White and Caribbean | 0.9% | 1.5% | 0.6% | 0.9% | 0.6% |
| Mixed Other | 0.9% | 1.5% | 0.6% | 0.8% | 0.7% |
| White | 81.5% | 78.4% | -3.1% | 81.4% | -3.0% |
| Arab | 0% | 0.5% | 0.5% | 0.6% | -0.1% |
| Other | 0.9% | 2.6% | 1.7% | 1.6% | 1.0% |
In this area, 71% of the population were born in the United Kingdom, which is lower than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 70.6% | 71% | 0.4% | 83.2% | -12.2% |
| European Union | 14.2% | 17% | 2.8% | 6.1% | 10.9% |
| Africa | 6.2% | 2.5% | -3.7% | 2.7% | -0.2% |
| Middle East and Asia | 7.1% | 7% | -0.1% | 5.6% | 1.4% |
| The Americas and the Caribbean | 0.5% | 2.5% | 2.0% | 1.3% | 1.2% |
| Oceania | 1.4% | 0% | -1.4% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 68.2% | 71.7% | 3.5% | 83.2% | -11.5% |
| 10+ Years | 4.7% | 17.2% | 12.5% | 9.8% | 7.4% |
| 5-10 Years | 6.2% | 4% | -2.2% | 2.9% | 1.1% |
| 2-5 Years | 11.4% | 5.1% | -6.3% | 2.2% | 2.9% |
| Less than 2 years | 9.5% | 2% | -7.5% | 1.9% | 0.1% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 60% | 76.7% | -16.7% |
| Spain | 1.5% | 0.4% | 1.1% |
| Poland | 8.2% | 1.3% | 6.9% |
| Romania | 5.1% | 0.9% | 4.2% |
| Other EU countries | 3.6% | 1.5% | 2.1% |
| Southern Asia | 2.6% | 1.2% | 1.4% |
| South-East Asia | 0.5% | 0.2% | 0.3% |
| No passport held | 18.5% | 13.5% | 5.0% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 31.7% | 37.2% | -5.5% |
| Christian | 51.8% | 46.2% | 5.6% |
| Hindu | 2% | 1.7% | 0.3% |
| Jewish | 2.5% | 0.5% | 2.0% |
| Muslim | 5.5% | 6.5% | -1.0% |
| Other religion | 0.5% | 0.6% | -0.1% |
| Not answered | 6% | 6.0% | 0.0% |
Over the last 12 months, the overall crime rate around Onslow Close was 259.8 per 1,000 residents, which is 406.8% higher than the Brookmans Park and Little Heath average. The most reported crime type was Violence and sexual offences.
Onslow Close has the highest crime rate of 41 local areas in Brookmans Park and Little Heath and the 21st highest crime rate of 363 local areas in Welwyn Hatfield .
Violent and sexual offences accounted for around 171.6 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has stayed broadly stable by about -0.9%.

Households in this area have a higher level of wealth to the average household in England and Wales. 76% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 19 Onslow Close, Hatfield, Hertfordshire Terraced, an established residential building | £375,000 | 2024-12-10 | £388,185 |
| 15 Onslow Close, Hatfield, Hertfordshire Flats/Maisonettes, an established residential building | £185,000 | 2022-10-14 | £177,799 |
| 22 Onslow Close, Hatfield, Hertfordshire Terraced, an established residential building | £270,000 | 2019-06-06 | £312,451 |
| 2 Onslow Close, Hatfield, Hertfordshire Flats/Maisonettes, an established residential building | £235,000 | 2018-01-12 | £231,396 |
| 4 Onslow Close, Hatfield, Hertfordshire Flats/Maisonettes, an established residential building | £215,000 | 2016-12-22 | £218,402 |
The percentage of retired residents living in AL10 8BU area is much higher than the country's average. According to Census 2011, 30% residents of this area were retired, while the average in the UK was 14%.
| Full-Time Employee | 49 |
| Retired | 49 |
| Part-Time Employee | 19 |
| Looking after home or family | 8 |
| Long-Term Sick or disabled | 8 |
| Self-Employed | 7 |
| Other | 6 |
| Full-Time Student (with or without job) | 6 |
| Unemployed | 6 |
| Student (economically inactive) | 3 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 29 |
| Human health and social work activities | 14 |
| Transport and storage | 10 |
| Professional, scientific and technical activities | 10 |
| Administrative and support service activities | 9 |
| Education | 8 |
| Manufacturing | 7 |
| Other | 6 |
| Information and communication | 4 |
| Public administration and defence; compulsory social security | 3 |
| Construction | 3 |
| Real estate activities | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Financial and insurance activities | 1 |
| Accommodation and food service activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Birchwood Nursery School Birchway , Crawford Road AL10 0PD | 4out of 4 | 932 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ludwick Nursery School Holwell Road , AL7 3RP | 4out of 4 | 4,343 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Countess Anne Church of England School School Lane , AL10 8AX | 3out of 4 | 428 yd | Academy converter | No | Mixed | More About School |
| St Philip Howard Catholic Primary School Woods Avenue , AL10 8NN | 3out of 4 | 626 yd | Voluntary aided school | Yes | Mixed | More About School |
| Hatfield Community Free School Briars Lane , AL10 8ES | 4out of 4 | 704 yd | Free schools | No | Mixed | More About School |
| Oak View Primary and Nursery School Woods Avenue , AL10 8NW | 3out of 4 | 713 yd | Community school | Yes | Mixed | More About School |
| Birchwood Avenue Primary School Birchwood Avenue , AL10 0PS | 3out of 4 | 1,013 yd | Community school | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Onslow St Audreys School Old Rectory Drive , AL10 8AB | 2out of 4 | 201 yd | Academy converter | No | Mixed | More About School |
| Bishop's Hatfield Girls' School Woods Avenue , AL10 8NL | 4out of 4 | 559 yd | Academy converter | Not Applicable | Girls | More About School |
| Stanborough School Lemsford Lane , AL8 6YR | 2out of 4 | 3,461 yd | Academy converter | Not Applicable | Mixed | More About School |
| Chancellor's School Pine Grove , Brookmans Park AL9 7BN | 3out of 4 | 5,025 yd | Academy converter | No | Mixed | More About School |
| Nicholas Breakspear Catholic School Colney Heath Lane , AL4 0TT | 3out of 4 | 5,412 yd | Academy converter | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Oaklands College Oaklands Campus , Hatfield Road AL4 0JA | - not rated | 5,142 yd | Further education | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Southfield School Woods Avenue , AL10 8NN | 3out of 4 | 573 yd | Community special school | No | Mixed | More About School |
| Links Hatfield Academy Travellers Lane , AL10 8TJ | - not rated | 1,514 yd | Academy alternative provision sponsor led | No | Mixed | More About School |
| University of Hertfordshire Hatfield Campus , College Lane AL10 9AB | - not rated | 1,950 yd | Higher education institutions | Not Applicable | Mixed | More About School |
| Lakeside School Lemsford Lane , AL8 6YN | 4out of 4 | 3,651 yd | Community special school | Yes | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Breaks Manor Youth Centre | Breaks Manor, Link Drive | 245 yd | |
| Taste of India | 33-34 Salisbury Square, Hatfield | 353 yd | |
| Pizza Palace | 29 Salisbury Square, Hatfield | 360 yd | |
| Simply Fresh | Hatfield Railway Station, 79 Great North Road | 404 yd | |
| Sustain Coffee | 4 Salisbury Square, Hatfield | 422 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Eight Bells | 2 Park Street, Hatfield | 444 yd | |
| The Horse & Groom | 21 Park Street, Hatfield | 456 yd | |
| The White Hart | Queensway, Hatfield | 491 yd | |
| Hatfield Social Club | 76 Great North Road, Hatfield | 506 yd | |
| Franks Pool Club | Culpitt House, 74-78 Town Centre | 657 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| New Dynasty / Noodle King | 27 Salisbury Square, Hatfield | 360 yd | |
| TGF Pizza | 15A Town Centre, Hatfield | 509 yd | |
| Shamiana | 14 The Arcade, Hatfield | 533 yd | |
| Point One African Restaurant | 11-13 The Arcade, Hatfield | 533 yd | |
| Tops Pizza | 21 Market Place, Hatfield | 572 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Poundland | 80-84 Town Centre, Hatfield | 668 yd | |
| Iceland | 74-78 Town Centre, Hatfield | 682 yd | |
| Asda | 98 Town Centre, Hatfield | 682 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Onslow St Audreys School Old Rectory Drive | grass pitches | 190 yd |
| Countess Anne School SCHOOL LANE | grass pitches, swimming pool | 453 yd |
| Bishops Hatfield Girls School WOODS AVENUE | grass pitches | 622 yd |
| Pump Gyms (Hatfield) UNIT 1 UNIT 1 BEACONSFIELD CLOSE | health and fitness suite | 641 yd |
| St. Philip Howard Catholic Primary School WOODS AVENUE | grass pitches | 657 yd |
| Energie Fitness (Hatfield) 74-78 74-78 TOWN CENTRE | health and fitness suite | 659 yd |
| Hatfield Swim Centre SWIMMING POOL SWIMMING POOL ST. ALBANS ROAD WEST | health and fitness suite, swimming pool | 963 yd |
| Roe Hill BRIARS LANE | artificial grass pitch, grass pitches | 1,047 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 | 67 Mbit/s |
| Average download speed | 82 Mbit/s |
| Minimum download speed | 200 Mbit/s |
| Maximum download speed | 200 Mbit/s |
| Median upload speed | 12 Mbit/s |
| Average upload speed | 13.8 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.