St Margarets Avenue is in London and in Barnet district. N20 9LJ is located in the Whetstone electoral ward, within the English Parliamentary constituency of Chipping Barnet. This postcode has been in use since 1980-01-01.
StreetScan combines information about St Margarets Avenue, London, N20 9LJ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: N20 9LL, N20 9HR, N20 9HX, N20 9LH, N20 9HJ, N20 9HS, N20 9HW, N20 9LD, N20 9QH.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around N20 9LJ 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 | 49.9% | 50.8% | 0.9% | 51.0% | -0.2% |
| Male | 50.1% | 49.2% | -0.9% | 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 | 34.8% | 37% | 2.2% | 37.9% | -0.9% |
| Married: Opposite sex | 50.7% | 48.5% | -2.2% | 44.2% | 4.3% |
| Married: Same sex | 0% | 0.3% | 0.3% | 0.3% | 0.0% |
| Separated | 0.7% | 2.4% | 1.7% | 2.2% | 0.2% |
| Divorced | 8.5% | 7.4% | -1.1% | 9.1% | -1.7% |
| Widowed | 5.3% | 4.4% | -0.9% | 6.1% | -1.7% |
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 (87.2%) 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 | 55% | 57.8% | 2.8% | 48.4% | 9.4% |
| Good health | 31.2% | 29.4% | -1.8% | 33.6% | -4.2% |
| Fair health | 9.7% | 10.4% | 0.7% | 12.7% | -2.3% |
| Bad health | 2.9% | 1.8% | -1.1% | 4.0% | -2.2% |
| Very bad health | 1.1% | 0.5% | -0.6% | 1.2% | -0.7% |
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 N20 9LJ this area, 9.8% 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 59.9%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 14.2% | 9.8% | -4.4% | 18.2% | -8.4% |
| 1-4 GCSEs or Equivalent | 12.4% | 2.7% | -9.7% | 9.6% | -6.9% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 11% | 12.8% | 1.8% | 13.4% | -0.6% |
| Apprenticeship | 0.7% | 3.4% | 2.7% | 5.3% | -1.9% |
| HNC, HND or 2+ A Levels | 9.2% | 9.4% | 0.2% | 16.9% | -7.5% |
| Degree or Similar | 42.9% | 59.9% | 17.0% | 33.8% | 26.1% |
| Other | 9.6% | 2% | -7.6% | 2.8% | -0.8% |
In this area, the population is more ethnically diverse compared to the UK average. While 65.7% of the residents identify as white, which is lower than the UK average of 81.4%, there are significant representations of other ethnic groups.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Bangladeshi | 0% | 0.8% | 0.8% | 1.1% | -0.3% |
| Chinese | 3.2% | 3.4% | 0.2% | 0.7% | 2.7% |
| Indian | 5.7% | 8.6% | 2.9% | 3.1% | 5.5% |
| Pakistani | 1.1% | 0.5% | -0.6% | 2.7% | -2.2% |
| Other Asian | 6.3% | 6.2% | -0.1% | 1.6% | 4.6% |
| Black African | 1.1% | 2.1% | 1.0% | 2.5% | -0.4% |
| Black Caribbean | 0.6% | 0.3% | -0.3% | 1.0% | -0.7% |
| Other Black | 0.3% | 0% | -0.3% | 0.5% | -0.5% |
| Mixed White and Asian | 1.7% | 4.2% | 2.5% | 0.8% | 3.4% |
| Mixed White and African | 2% | 2.6% | 0.6% | 0.4% | 2.2% |
| Mixed White and Caribbean | 1.1% | 0.3% | -0.8% | 0.9% | -0.6% |
| Mixed Other | 1.4% | 1% | -0.4% | 0.8% | 0.2% |
| White | 75.1% | 65.7% | -9.4% | 81.4% | -15.7% |
| Arab | 0.3% | 0% | -0.3% | 0.6% | -0.6% |
| Other | 0% | 4.4% | 4.4% | 1.6% | 2.8% |
In this area, 66.4% 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 | 67.9% | 66.4% | -1.5% | 83.2% | -16.8% |
| European Union | 10.9% | 9.6% | -1.3% | 6.1% | 3.5% |
| Rest of Europe | 3.4% | 3.1% | -0.3% | 0.8% | 2.3% |
| Africa | 6.9% | 6% | -0.9% | 2.7% | 3.3% |
| Middle East and Asia | 9.2% | 11.2% | 2.0% | 5.6% | 5.6% |
| The Americas and the Caribbean | 1.7% | 3.6% | 1.9% | 1.3% | 2.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 65% | 66.4% | 1.4% | 83.2% | -16.8% |
| 10+ Years | 2.6% | 23.2% | 20.6% | 9.8% | 13.4% |
| 5-10 Years | 5.2% | 4.2% | -1.0% | 2.9% | 1.3% |
| 2-5 Years | 5.4% | 3.1% | -2.3% | 2.2% | 0.9% |
| Less than 2 years | 21.8% | 3.1% | -18.7% | 1.9% | 1.2% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 80.8% | 76.7% | 4.1% |
| Ireland | 3.4% | 0.6% | 2.8% |
| France | 0.3% | 0.3% | 0.0% |
| Germany | 0.3% | 0.2% | 0.1% |
| Italy | 1% | 0.6% | 0.4% |
| Portugal | 0.5% | 0.5% | 0.0% |
| Poland | 3.4% | 1.3% | 2.1% |
| Romania | 0.8% | 0.9% | -0.1% |
| Other EU countries | 0.8% | 1.5% | -0.7% |
| Other Europe | 0.5% | 0.2% | 0.3% |
| Central and Western Africa | 0.8% | 0.3% | 0.5% |
| Middle East | 0.5% | 0.1% | 0.4% |
| Southern Asia | 2.6% | 1.2% | 1.4% |
| South-East Asia | 1.3% | 0.2% | 1.1% |
| North America and the Caribbean | 1% | 0.3% | 0.7% |
| No passport held | 1.8% | 13.5% | -11.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 27.7% | 37.2% | -9.5% |
| Christian | 47.6% | 46.2% | 1.4% |
| Hindu | 7.3% | 1.7% | 5.6% |
| Jewish | 3.7% | 0.5% | 3.2% |
| Muslim | 5.2% | 6.5% | -1.3% |
| Not answered | 8.4% | 6.0% | 2.4% |
Over the last 12 months, the overall crime rate around St Margarets Avenue was 174.2 per 1,000 residents, which is 107.3% higher than the Barnet Vale average. The most reported crime type was Shoplifting.
St Margarets Avenue has the 12th highest crime rate of 124 local areas in Barnet Vale and the 135th highest crime rate of 1,063 local areas in Barnet .
Violent and sexual offences accounted for around 36.5 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 199.1%.

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 |
|---|---|---|---|
| 28 St Margarets Avenue, London, Greater London Semi-Detached, an established residential building | £825,550 | 2024-05-08 | £806,492 |
| 20 St Margarets Avenue, London, Greater London Semi-Detached, an established residential building | £740,000 | 2023-05-03 | £719,896 |
| 32 St Margarets Avenue, London, Greater London Semi-Detached, an established residential building | £750,000 | 2021-10-25 | £742,819 |
| 34 St Margarets Avenue, London, Greater London Flats/Maisonettes, an established residential building | £430,000 | 2021-08-31 | £414,485 |
| 34 St Margarets Avenue, London, Greater London Other, an established residential building | £22,000 | 2021-07-30 | £21,675 |
N20 9LJ area has a high level of entrepreneurship. Only 22% of streets have higher percent of entrepreneur residents. 12% 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.
| Full-Time Employee | 117 |
| Self-Employed | 36 |
| Retired | 32 |
| Part-Time Employee | 28 |
| Student (economically inactive) | 19 |
| Unemployed | 18 |
| Looking after home or family | 17 |
| Other | 14 |
| Full-Time Student (with or without job) | 9 |
| Long-Term Sick or disabled | 8 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 27 |
| Professional, scientific and technical activities | 23 |
| Education | 20 |
| Human health and social work activities | 19 |
| Other | 16 |
| Public administration and defence; compulsory social security | 12 |
| Financial and insurance activities | 12 |
| Information and communication | 10 |
| Real estate activities | 10 |
| Construction | 9 |
| Administrative and support service activities | 9 |
| Accommodation and food service activities | 7 |
| Manufacturing | 5 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Brookhill Nursery School Brookhill Road , East Barnet EN4 8SD | 4out of 4 | 1,884 yd | Local authority nursery school | Yes | Mixed | More About School |
| St Margaret's Nursery School Margaret Road , New Barnet EN4 9NT | 4out of 4 | 2,195 yd | Local authority nursery school | Yes | Mixed | More About School |
| Moss Hall Nursery School 189 Nether Street , Finchley N3 1NR | 4out of 4 | 2,677 yd | Local authority nursery school | Yes | Mixed | More About School |
| Hampden Way Nursery School Hampden Way , Southgate N14 5DJ | 4out of 4 | 2,738 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Alma Primary Friern Barnet Lane , Whetstone N20 0LP | 3out of 4 | 648 yd | Free schools | No | Mixed | More About School |
| St John's CofE Primary School Swan Lane , Whetstone N20 0PL | 3out of 4 | 664 yd | Voluntary aided school | Yes | Mixed | More About School |
| Queenswell Infant & Nursery School Sweets Way , Whetstone N20 0NQ | 3out of 4 | 872 yd | Community school | Yes | Mixed | More About School |
| Queenswell Junior School Sweets Way , Whetstone N20 0NQ | 3out of 4 | 872 yd | Community school | No | Mixed | More About School |
| All Saints' CofE Primary School N20 116 Oakleigh Road North , Whetstone N20 9EZ | 3out of 4 | 884 yd | Voluntary aided school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Finchley Catholic High School Woodside Lane , Finchley N12 8TA | 3out of 4 | 1,144 yd | Voluntary aided school | No | Boys | More About School |
| The Totteridge Academy Barnet Lane , Barnet N20 8AZ | 3out of 4 | 1,853 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Ark Pioneer Academy Westcombe Drive , EN5 2BE | - not rated | 1,991 yd | Free schools | No | Mixed | More About School |
| St Andrew the Apostle Greek Orthodox School North London Business Park , N11 1NP | 3out of 4 | 2,094 yd | Free schools | No | Mixed | More About School |
| St Michael's Catholic Grammar School Nether Street , North Finchley N12 7NJ | 4out of 4 | 2,169 yd | Voluntary aided school | No | Girls | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Woodhouse College Woodhouse Road , N12 9EY | - not rated | 2,608 yd | Academy 16-19 converter | No | Mixed | More About School |
| Barnet and Southgate College Wood Street , EN5 4AZ | - not rated | 3,003 yd | Further education | Not Applicable | 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 | 2,487 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Pavilion Study Centre 58b Chandos Avenue , Whetstone N20 9DX | 3out of 4 | 721 yd | Pupil referral unit | Not Applicable | Mixed | More About School |
| Woodside School 25 Ravensdale Avenue , N12 9HP | - not rated | 1,688 yd | Other independent special school | Not Applicable | Mixed | More About School |
| Oak Hill School Church Hill Road , East Barnet EN4 8XE | - not rated | 1,705 yd | Academy special converter | No | Mixed | More About School |
| Oakleigh School & Acorn Assessment Centre Oakleigh Road North , Whetstone N20 0DH | 4out of 4 | 1,716 yd | Community special school | Yes | Mixed | More About School |
| Lyonsdown School 3 Richmond Road , New Barnet EN5 1SA | - not rated | 1,754 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 |
|---|---|---|---|
| Mala Indian Brasserie | 1357 High Road, London | 79 yd | |
| Beheshte Barin | 1358 High Road, London | 134 yd | |
| Subway | 1294 High Road, London | 134 yd | |
| Cocorico | 1314 High Road, London | 134 yd | |
| Matthews Kitchen | 1288 High Road, London | 134 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Griffin | The Griffin, 1262 High Road, London | 213 yd | |
| Totteridge Tennis Club | Totteridge Tennis Club, Great Bushey Drive, London | 397 yd | |
| The Three Horseshoe / Daddy's Dim Sum / Scratch Chicken | Three Horseshoes, 1166 High Road, London | 569 yd | |
| Oakleigh Lawn Tennis & Squash Club | 100 Oakleigh Road North, London | 619 yd | |
| Oakleigh Park School Of Swimming | 100 Oakleigh Road North, London | 619 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Bayleaf Takeaway | 1342 High Road, London | 134 yd | |
| The Classic Greek | 1366 High Road, London | 134 yd | |
| The Tiffin Tin | 36 Totteridge Lane, London | 202 yd | |
| Lala Drinks @ Dephna | 1250 High Road, London | 275 yd | |
| Chilli Tuk Tuk | 1250 High Road | 303 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Waitrose | 1305 High Road, London | 99 yd | |
| Marks & Spencer Simply Foods | 1430 High Road, London | 450 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Wellgrove School (Closed) Well Grove | grass pitches | 483 yd |
| Alice Owen (Dame) Chandos Avenue | grass pitches | 579 yd |
| Totteridge Tennis Club GREAT BUSHEY DRIVE | tennis courts | 621 yd |
| Brook Farm Open Space High Road | grass pitches | 655 yd |
| Queenswell Junior School SWEETS WAY | grass pitches | 711 yd |
| Oakleigh Park Lawn Tennis And Squash Club Oakleigh Road North | health and fitness suite, squash courts, tennis courts | 712 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 | 79.7 Mbit/s |
| Average download speed | 152.6 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 19.6 Mbit/s |
| Average upload speed | 17.9 Mbit/s |
| Maximum upload speed | 50 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.