Onslow Gardens is in London and in Haringey district. N10 3JT is located in the Muswell Hill electoral ward, within the English Parliamentary constituency of Hornsey and Wood Green. This postcode has been in use since 1980-01-01.
StreetScan combines information about Onslow Gardens, London, N10 3JT and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: N10 3JU, N10 3UA, N10 3JR, N10 3JX, N10 3UE, N10 3JY, N10 3JD, N10 3UG, N10 3UP.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding N10 3JT has a slightly higher male population, with 51.5% 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 | 51.6% | 48.5% | -3.1% | 51.0% | -2.5% |
| Male | 48.4% | 51.5% | 3.1% | 49.0% | 2.5% |
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 N10 3JT there is a very large concentration of residents that are married - 52.5% 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 | 40.6% | 35.6% | -5.0% | 37.9% | -2.3% |
| Married: Opposite sex | 47.4% | 52.5% | 5.1% | 44.2% | 8.3% |
| Married: Same sex | 2.8% | 0.5% | -2.3% | 0.3% | 0.2% |
| Civil partnership: Same sex | 0% | 0.9% | 0.9% | 0.1% | 0.8% |
| Separated | 3.6% | 1.8% | -1.8% | 2.2% | -0.4% |
| Divorced | 4.4% | 3.7% | -0.7% | 9.1% | -5.4% |
| Widowed | 1.2% | 5% | 3.8% | 6.1% | -1.1% |
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 (87%) 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 | 65.7% | 58.4% | -7.3% | 48.4% | 10.0% |
| Good health | 26.8% | 28.6% | 1.8% | 33.6% | -5.0% |
| Fair health | 5.9% | 10.4% | 4.5% | 12.7% | -2.3% |
| Bad health | 1% | 1.9% | 0.9% | 4.0% | -2.1% |
| Very bad health | 0.7% | 0.7% | 0.0% | 1.2% | -0.5% |
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 N10 3JT this area, 5.9% 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 67%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 1.6% | 5.9% | 4.3% | 18.2% | -12.3% |
| 1-4 GCSEs or Equivalent | 3.2% | 1.8% | -1.4% | 9.6% | -7.8% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 7.6% | 5.9% | -1.7% | 13.4% | -7.5% |
| Apprenticeship | 0% | 2.7% | 2.7% | 5.3% | -2.6% |
| HNC, HND or 2+ A Levels | 8.4% | 12.2% | 3.8% | 16.9% | -4.7% |
| Degree or Similar | 75.5% | 67% | -8.5% | 33.8% | 33.2% |
| Other | 3.6% | 4.5% | 0.9% | 2.8% | 1.7% |
This area closely mirrors the overall ethnic composition of the UK, with 76.2% of the population identifying as white, with UK average of 81.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Chinese | 0% | 2.2% | 2.2% | 0.7% | 1.5% |
| Indian | 2% | 2.6% | 0.6% | 3.1% | -0.5% |
| Pakistani | 0.3% | 0% | -0.3% | 2.7% | -2.7% |
| Other Asian | 0.7% | 1.8% | 1.1% | 1.6% | 0.2% |
| Black African | 0.3% | 1.1% | 0.8% | 2.5% | -1.4% |
| Black Caribbean | 0.7% | 1.5% | 0.8% | 1.0% | 0.5% |
| Other Black | 1% | 0% | -1.0% | 0.5% | -0.5% |
| Mixed White and Asian | 1.6% | 3.3% | 1.7% | 0.8% | 2.5% |
| Mixed White and Caribbean | 1% | 0.7% | -0.3% | 0.9% | -0.2% |
| Mixed Other | 0.3% | 5.1% | 4.8% | 0.8% | 4.3% |
| White | 90.2% | 76.2% | -14.0% | 81.4% | -5.2% |
| Arab | 1.3% | 0% | -1.3% | 0.6% | -0.6% |
| Other | 0.7% | 5.5% | 4.8% | 1.6% | 3.9% |
In this area, 66.8% 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 | 73.2% | 66.8% | -6.4% | 83.2% | -16.4% |
| European Union | 10.5% | 11.1% | 0.6% | 6.1% | 5.0% |
| Rest of Europe | 1% | 4.1% | 3.1% | 0.8% | 3.3% |
| Africa | 3.9% | 3.3% | -0.6% | 2.7% | 0.6% |
| Middle East and Asia | 3.3% | 6.3% | 3.0% | 5.6% | 0.7% |
| The Americas and the Caribbean | 4.9% | 4.8% | -0.1% | 1.3% | 3.5% |
| Oceania | 3.3% | 3.3% | 0.0% | 0.3% | 3.0% |
| British Overseas | 0% | 0.4% | 0.4% | 0.0% | 0.4% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 71.6% | 66.8% | -4.8% | 83.2% | -16.4% |
| 10+ Years | 1.6% | 22.5% | 20.9% | 9.8% | 12.7% |
| 5-10 Years | 4.9% | 4.1% | -0.8% | 2.9% | 1.2% |
| 2-5 Years | 3.9% | 3% | -0.9% | 2.2% | 0.8% |
| Less than 2 years | 18% | 3.7% | -14.3% | 1.9% | 1.8% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 76.7% | 76.7% | 0.0% |
| Ireland | 5.1% | 0.6% | 4.5% |
| France | 1.8% | 0.3% | 1.5% |
| Italy | 1.1% | 0.6% | 0.5% |
| Spain | 0.4% | 0.4% | 0.0% |
| Poland | 0.7% | 1.3% | -0.6% |
| Romania | 0.7% | 0.9% | -0.2% |
| Other EU countries | 0.4% | 1.5% | -1.1% |
| Other Europe | 3.3% | 0.2% | 3.1% |
| Middle East | 1.1% | 0.1% | 1.0% |
| Eastern Asia | 2.5% | 0.3% | 2.2% |
| North America and the Caribbean | 1.8% | 0.3% | 1.5% |
| Oceania | 1.1% | 0.1% | 1.0% |
| No passport held | 3.3% | 13.5% | -10.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 49.6% | 37.2% | 12.4% |
| Christian | 35.1% | 46.2% | -11.1% |
| Buddhist | 1.1% | 0.5% | 0.6% |
| Hindu | 0.4% | 1.7% | -1.3% |
| Jewish | 6.7% | 0.5% | 6.2% |
| Muslim | 1.1% | 6.5% | -5.4% |
| Other religion | 2.2% | 0.6% | 1.6% |
| Not answered | 3.7% | 6.0% | -2.3% |
Over the last 12 months, the overall crime rate around Onslow Gardens was 0.0 per 1,000 residents, matching the Hornsey average.
Violent and sexual offences accounted for a small share of all recorded crimes and have remained broadly unchanged year on year. Over the last decade, overall crime has fallen by about -45.2%.

Households in this area have a much higher level of wealth compared to the average household in England and Wales. 99% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 31 Onslow Gardens, London, Greater London Terraced, an established residential building | £2,175,000 | 2025-02-03 | £2,157,721 |
| 7 Onslow Gardens, London, Greater London Semi-Detached, an established residential building | £2,200,000 | 2022-04-19 | £2,411,991 |
| 15 Onslow Gardens, London, Greater London Semi-Detached, an established residential building | £1,875,000 | 2021-06-29 | £2,201,835 |
| 29B Onslow Gardens, London, Greater London Flats/Maisonettes, an established residential building | £690,000 | 2021-05-26 | £734,468 |
| 29C Onslow Gardens, London, Greater London Flats/Maisonettes, an established residential building | £635,000 | 2020-10-15 | £625,532 |
N10 3JT area has a very high level of entrepreneurship. Less than 1% of streets have higher percent of entrepreneur residents. 22% 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.
N10 3JT 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 | 75 |
| Self-Employed | 49 |
| Retired | 41 |
| Part-Time Employee | 18 |
| Student (economically inactive) | 14 |
| Other | 11 |
| Looking after home or family | 8 |
| Unemployed | 2 |
| Full-Time Student (with or without job) | 2 |
| Long-Term Sick or disabled | 0 |
| Professional, scientific and technical activities | 46 |
| Human health and social work activities | 29 |
| Education | 19 |
| Information and communication | 16 |
| Financial and insurance activities | 16 |
| Other | 12 |
| Public administration and defence; compulsory social security | 10 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 10 |
| Accommodation and food service activities | 6 |
| Manufacturing | 5 |
| Construction | 5 |
| Real estate activities | 4 |
| Administrative and support service activities | 3 |
| Transport and storage | 2 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Margaret McMillan Nursery School Hornsey Rise , N19 3SF | 3out of 4 | 2,177 yd | Local authority nursery school | Yes | Mixed | More About School |
| North Islington Nursery School 110-112 Tollington Park , N4 3RB | 3out of 4 | 3,317 yd | Local authority nursery school | Yes | Mixed | More About School |
| Woodlands Park Nursery School and Childrens Centre Woodlands Park Road , Tottenham N15 3SD | 4out of 4 | 3,873 yd | Local authority nursery school | Yes | Mixed | More About School |
| Moss Hall Nursery School 189 Nether Street , Finchley N3 1NR | 4out of 4 | 4,383 yd | Local authority nursery school | Yes | Mixed | More About School |
| Rowland Hill Nursery School White Hart Lane , Totenham N17 7LT | 3out of 4 | 5,099 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St James Church of England Primary School Woodside Avenue , Muswell Hill N10 3JA | 4out of 4 | 293 yd | Voluntary aided school | No | Mixed | More About School |
| Tetherdown Primary School Grand Avenue , N10 3BP | 3out of 4 | 587 yd | Community school | No | Mixed | More About School |
| Highgate Primary School North Hill , N6 4ED | 3out of 4 | 899 yd | Community school | Yes | Mixed | More About School |
| Muswell Hill Primary School Muswell Hill , N10 3ST | 4out of 4 | 987 yd | Community school | No | Mixed | More About School |
| Our Lady of Muswell Catholic Primary School Pages Lane , Muswell Hill N10 1PS | 4out of 4 | 1,205 yd | Voluntary aided school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Fortismere School Southwing , Tetherdown N10 1NE | 4out of 4 | 1,073 yd | Foundation school | No | Mixed | More About School |
| Highgate Wood Secondary School Montenotte Road , N8 8RN | 3out of 4 | 1,082 yd | Community school | No | Mixed | More About School |
| St Aloysius RC College Hornsey Lane , Highgate N6 5LY | 2out of 4 | 1,878 yd | Voluntary aided school | No | Boys | More About School |
| The Archer Academy Eagans Close , N2 8GA | 4out of 4 | 1,949 yd | Free schools | No | Mixed | More About School |
| Greig City Academy High Street , Hornsey N8 7NU | 3out of 4 | 2,212 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Woodhouse College Woodhouse Road , N12 9EY | - not rated | 3,685 yd | Academy 16-19 converter | No | Mixed | More About School |
| The London Screen Academy Highbury Grove , Highbury East N5 2AD | - not rated | 5,318 yd | Free schools 16 to 19 | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Wren Academy Finchley Hilton Avenue , North Finchley N12 9HB | 4out of 4 | 3,791 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| St Mary Magdalene Academy Liverpool Road , Islington N7 8PG | 3out of 4 | 5,293 yd | Academy sponsor led | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| TreeHouse School Woodside Avenue , Muswell Hill N10 3JA | 4out of 4 | 250 yd | Non-maintained special school | Yes | Mixed | More About School |
| Unique Children's School 1a Dukes Avenue , N10 2PS | - not rated | 967 yd | Other independent school | No | Mixed | More About School |
| The Avenue Pre-Preparatory School and Nursery 2 Highgate Avenue , Highgate N6 5RX | - not rated | 1,030 yd | Other independent school | Yes | Mixed | More About School |
| Norfolk House School 10 Muswell Avenue , Muswell Hill N10 2EG | - not rated | 1,301 yd | Other independent school | Yes | Mixed | More About School |
| Blanche Nevile School Burlington Road , N10 1NJ | 3out of 4 | 1,311 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 |
|---|---|---|---|
| Fornaro | 43 Muswell Hill Road, Hornsey | 295 yd | |
| Queenswood Cafe | Cafe, Queens Wood Lodge, 42 Muswell Hill Road | 317 yd | |
| Hoxton Beach @ The Pavilion Cafe | Highgate Wood Lodge, Highgate Wood | 406 yd | |
| Planet Organic | 111-117 Muswell Hill Road, Hornsey | 666 yd | |
| North & Ten | 123 Muswell Hill Road, Hornsey | 666 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Royal British Legion | British Legion, Muswell Hill Road | 478 yd | |
| The Famous Royal Oak | Public House, 73 St James's Lane | 599 yd | |
| Pearce Catering | Public House, 73 St James's Lane | 599 yd | |
| Miller & Carter Steakhouse | 87 Muswell Hill Broadway, Hornsey | 720 yd | |
| The Highgate Inn | Public House, 385 Archway Road | 744 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Boomting Sushi @ | 111-117 Muswell Hill Road, Hornsey | 666 yd | |
| The Tiffin Guru Ltd | 371A Archway Road, Hornsey | 770 yd | |
| Mega Grill | 373A Archway Road, Hornsey | 771 yd | |
| Sushi Gourmet @ | 12 Fortis Green Road, Hornsey | 771 yd | |
| Elenis | 333-335 Archway Road, Hornsey | 821 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Marks & Spencer Plc | 126-128 Muswell Hill Broadway, Hornsey | 759 yd | |
| Sainsbury’s | 12 Fortis Green Road, Hornsey | 771 yd | |
| Waitrose Convenience | 390-392 Muswell Hill Broadway, Hornsey | 951 yd | |
| Co-op | Ground Floor Shop, 171-173 Priory Road | 1,000 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Highgate Wood HIGHGATE WOOD LODGE HIGHGATE WOOD LODGE MUSWELL HILL ROAD | grass pitches | 227 yd |
| Muswell Hill Centre HILLFIELD PARK | 705 yd | |
| North London Cricket Club PARK ROAD | grass pitches | 750 yd |
| Pure Gym (London Muswell Hill) HILLFIELD PARK HILLFIELD PARK MUSWELL HILL | health and fitness suite, swimming pool, tennis courts | 759 yd |
| Highgate Cricket Lawn Tennis Club Park Road | grass pitches, tennis courts | 792 yd |
| North Middlesex Cricket Club PARK ROAD | grass pitches | 792 yd |
| Stormont Lawn Tennis & Squash Racquets Club LANCHESTER ROAD | squash courts, tennis courts | 860 yd |
| Crouch End Cricket Club PARK ROAD | grass pitches | 867 yd |
| Jackson'S Lane Community Centre 269A 269A ARCHWAY ROAD | 891 yd | |
| Highgate Wood School MONTENOTTE ROAD | artificial grass pitch, grass pitches, tennis courts | 947 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 | 180.5 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 20.1 Mbit/s |
| Maximum upload speed | 50 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.