Seaforth Avenue is in New Malden and in Merton district. KT3 6JS is located in the West Barnes electoral ward, within the English Parliamentary constituency of Wimbledon. This postcode has been in use since 1980-01-01.
StreetScan combines information about Seaforth Avenue, New Malden, KT3 6JS and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: KT3 6JT, KT3 6HS, KT3 6HT, KT3 6HX, KT3 6QL, KT3 6JR, KT3 6LE, KT3 6HY, KT3 4NH.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around KT3 6JS 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 | 47.2% | 51.1% | 3.9% | 51.0% | 0.1% |
| Male | 52.8% | 48.9% | -3.9% | 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 KT3 6JS there is a very large concentration of residents that are married - 55.2% 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 | 41% | 33.7% | -7.3% | 37.9% | -4.2% |
| Married: Opposite sex | 47.8% | 55.2% | 7.4% | 44.2% | 11.0% |
| Married: Same sex | 0% | 0.7% | 0.7% | 0.3% | 0.4% |
| Separated | 2.2% | 0.7% | -1.5% | 2.2% | -1.5% |
| Divorced | 5.4% | 5.9% | 0.5% | 9.1% | -3.2% |
| Widowed | 3.6% | 3.7% | 0.1% | 6.1% | -2.4% |
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 (89.4%) 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 | 54.8% | 54.1% | -0.7% | 48.4% | 5.7% |
| Good health | 35.6% | 35.3% | -0.3% | 33.6% | 1.7% |
| Fair health | 8.7% | 9.1% | 0.4% | 12.7% | -3.6% |
| Bad health | 0.9% | 1.2% | 0.3% | 4.0% | -2.8% |
| Very bad health | 0% | 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.
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 53%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 10.8% | 10.4% | -0.4% | 18.2% | -7.8% |
| 1-4 GCSEs or Equivalent | 11.5% | 4.1% | -7.4% | 9.6% | -5.5% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 13.7% | 12.3% | -1.4% | 13.4% | -1.1% |
| Apprenticeship | 1.8% | 3% | 1.2% | 5.3% | -2.3% |
| HNC, HND or 2+ A Levels | 13.3% | 14.2% | 0.9% | 16.9% | -2.7% |
| Degree or Similar | 39.6% | 53% | 13.4% | 33.8% | 19.2% |
| Other | 9.4% | 3% | -6.4% | 2.8% | 0.2% |
In this area, the population is more ethnically diverse compared to the UK average. While 69.8% 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% | 0.3% | 0.3% | 1.1% | -0.8% |
| Chinese | 1.2% | 0% | -1.2% | 0.7% | -0.7% |
| Indian | 2.9% | 3.6% | 0.7% | 3.1% | 0.5% |
| Pakistani | 4.1% | 4.8% | 0.7% | 2.7% | 2.1% |
| Other Asian | 9% | 6.9% | -2.1% | 1.6% | 5.3% |
| Black African | 0.6% | 0.3% | -0.3% | 2.5% | -2.2% |
| Black Caribbean | 3.8% | 2.1% | -1.7% | 1.0% | 1.1% |
| Other Black | 0% | 0.9% | 0.9% | 0.5% | 0.4% |
| Mixed White and Asian | 2.3% | 2.4% | 0.1% | 0.8% | 1.6% |
| Mixed White and African | 0.3% | 0.9% | 0.6% | 0.4% | 0.5% |
| Mixed White and Caribbean | 2% | 1.8% | -0.2% | 0.9% | 0.9% |
| Mixed Other | 0.9% | 1.5% | 0.6% | 0.8% | 0.7% |
| White | 71.7% | 69.8% | -1.9% | 81.4% | -11.6% |
| Arab | 0.9% | 1.5% | 0.6% | 0.6% | 0.9% |
| Other | 0.3% | 3.3% | 3.0% | 1.6% | 1.7% |
In this area, 69% 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 | 71.1% | 69% | -2.1% | 83.2% | -14.2% |
| European Union | 8.7% | 13.6% | 4.9% | 6.1% | 7.5% |
| Rest of Europe | 0.3% | 0.3% | 0.0% | 0.8% | -0.5% |
| Africa | 7% | 7.2% | 0.2% | 2.7% | 4.5% |
| Middle East and Asia | 10.2% | 7.8% | -2.4% | 5.6% | 2.2% |
| The Americas and the Caribbean | 1.5% | 1.2% | -0.3% | 1.3% | -0.1% |
| Oceania | 1.2% | 0.9% | -0.3% | 0.3% | 0.6% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 68.8% | 68.8% | 0.0% | 83.2% | -14.4% |
| 10+ Years | 4.7% | 20.1% | 15.4% | 9.8% | 10.3% |
| 5-10 Years | 5.8% | 6.6% | 0.8% | 2.9% | 3.7% |
| 2-5 Years | 9% | 3.3% | -5.7% | 2.2% | 1.1% |
| Less than 2 years | 11.7% | 1.2% | -10.5% | 1.9% | -0.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 80.1% | 76.7% | 3.4% |
| Ireland | 1.2% | 0.6% | 0.6% |
| France | 0.6% | 0.3% | 0.3% |
| Germany | 0.3% | 0.2% | 0.1% |
| Italy | 0.6% | 0.6% | 0.0% |
| Portugal | 0.9% | 0.5% | 0.4% |
| Spain | 0.3% | 0.4% | -0.1% |
| Lithuania | 0.9% | 0.3% | 0.6% |
| Poland | 4.2% | 1.3% | 2.9% |
| Other EU countries | 2.4% | 1.5% | 0.9% |
| South and Eastern Africa | 0.6% | 0.2% | 0.4% |
| Eastern Asia | 0.6% | 0.3% | 0.3% |
| Southern Asia | 0.9% | 1.2% | -0.3% |
| South-East Asia | 0.3% | 0.2% | 0.1% |
| North America and the Caribbean | 0.6% | 0.3% | 0.3% |
| Central and South America | 0.3% | 0.2% | 0.1% |
| Oceania | 0.3% | 0.1% | 0.2% |
| No passport held | 4.8% | 13.5% | -8.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 28.4% | 37.2% | -8.8% |
| Christian | 51.2% | 46.2% | 5.0% |
| Buddhist | 2.1% | 0.5% | 1.6% |
| Hindu | 5.4% | 1.7% | 3.7% |
| Jewish | 0.9% | 0.5% | 0.4% |
| Muslim | 5.7% | 6.5% | -0.8% |
| Not answered | 6.3% | 6.0% | 0.3% |
Over the last 12 months, the overall crime rate around Seaforth Avenue was 230.6 per 1,000 residents, which is 566.9% higher than the Cannon Hill average. The most reported crime type was Violence and sexual offences.
Seaforth Avenue has the 3rd highest crime rate of 88 local areas in Cannon Hill and the 30th highest crime rate of 580 local areas in Merton .
Violent and sexual offences accounted for around 144.1 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -78.4%.

Households in this area have a much higher level of wealth compared to the average household in England and Wales. 92% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 45 Seaforth Avenue, New Malden, Greater London Terraced, an established residential building | £640,000 | 2026-03-20 | £640,000 |
| 73 Seaforth Avenue, New Malden, Greater London Terraced, an established residential building | £650,000 | 2025-01-17 | £648,722 |
| 65 Seaforth Avenue, New Malden, Greater London Terraced, an established residential building | £800,000 | 2024-06-14 | £818,548 |
| 59 Seaforth Avenue, New Malden, Greater London Terraced, an established residential building | £770,000 | 2020-11-16 | £818,377 |
| 57 Seaforth Avenue, New Malden, Greater London Terraced, an established residential building | £541,000 | 2020-01-27 | £637,764 |
KT3 6JS area has a high level of entrepreneurship. Only 15% of streets have higher percent of entrepreneur residents. 13% 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.
KT3 6JS 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 | 116 |
| Retired | 47 |
| Self-Employed | 36 |
| Part-Time Employee | 34 |
| Looking after home or family | 12 |
| Student (economically inactive) | 8 |
| Other | 7 |
| Unemployed | 6 |
| Long-Term Sick or disabled | 3 |
| Full-Time Student (with or without job) | 0 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 28 |
| Education | 25 |
| Construction | 22 |
| Information and communication | 17 |
| Human health and social work activities | 17 |
| Transport and storage | 17 |
| Professional, scientific and technical activities | 17 |
| Administrative and support service activities | 13 |
| Other | 11 |
| Financial and insurance activities | 10 |
| Manufacturing | 8 |
| Accommodation and food service activities | 7 |
| Public administration and defence; compulsory social security | 7 |
| Real estate activities | 3 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Surbiton Hill Nursery School Middle Green Close , KT5 8TD | 4out of 4 | 4,557 yd | Local authority nursery school | Yes | Mixed | More About School |
| Fairfield Nursery School Fairfield East , KT1 2PT | - not rated | 4,820 yd | Local authority nursery school | Not Applicable | Mixed | More About School |
| Thomas Wall Nursery School Robin Hood Lane , SM1 2SF | - not rated | 5,109 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Sacred Heart Catholic Primary School Burlington Road , KT3 4ND | 3out of 4 | 291 yd | Voluntary aided school | Yes | Mixed | More About School |
| Bushey First School West Barnes Lane , KT3 4PN | - not rated | 453 yd | Community school | Yes | Mixed | More About School |
| West Wimbledon Primary School Bodnant Gardens , West Barnes Lane SW20 0BZ | 3out of 4 | 760 yd | Community school | Yes | Mixed | More About School |
| Burlington Junior School Burlington Road , KT3 4LT | 3out of 4 | 851 yd | Community school | No | Mixed | More About School |
| Burlington Infant and Nursery School Burlington Road , KT3 4LT | 4out of 4 | 851 yd | Community school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Morden Farm Middle School Aragon Road , SM4 4QU | - not rated | 1,696 yd | Community school | No | Mixed | More About School |
| Malmesbury Middle School Malmesbury Road , SM4 6HG | - not rated | 4,050 yd | Community school | No | Mixed | More About School |
| Park House Middle School Arthur Road , Wimbledon SW19 7DZ | - not rated | 4,083 yd | Community school | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Raynes Park High School Bushey Road , SW20 0JL | 3out of 4 | 500 yd | Community school | No | Mixed | More About School |
| Coombe Boys' School College Gardens, Blakes Lane , KT3 6NU | - not rated | 926 yd | Foundation school | Not Applicable | Boys | More About School |
| Coombe Boys' School College Gardens, Blakes Lane , KT3 6NU | 3out of 4 | 926 yd | Academy converter | Not Applicable | Boys | More About School |
| The Holy Cross School 25 Sandal Road , KT3 5AR | - not rated | 1,878 yd | Voluntary aided school | No | Girls | More About School |
| The Holy Cross School 25 Sandal Road , KT3 5AR | 3out of 4 | 1,901 yd | Academy converter | No | Girls | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Catherine's Catholic Middle School Grand Drive , West Wimbledon SW20 9NA | - not rated | 662 yd | Voluntary aided school | Not Applicable | Mixed | More About School |
| Bushey County Middle School West Barnes Lane , SW20 0BZ | - not rated | 760 yd | Community school | Not Applicable | Mixed | More About School |
| Morden Farm Middle School Aragon Road , SM4 4QU | - not rated | 1,696 yd | Community school | Not Applicable | Mixed | More About School |
| Hillcross County Middle School Ashridge Way , SM4 4ED | - not rated | 2,115 yd | Community school | Not Applicable | Mixed | More About School |
| Wimbledon Chase County Middle School Merton Hall Road , SW19 3QB | - not rated | 2,452 yd | Community school | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Merton College Morden Park , London Road SM4 5QX | - not rated | 2,528 yd | Further education | Not Applicable | Mixed | More About School |
| Phoenix College Central Road , SM4 5SE | - not rated | 3,511 yd | Further education | Not Applicable | Mixed | More About School |
| South Thames Colleges Group Kingston Hall Road , KT1 2AQ | - not rated | 5,219 yd | Further education | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Blossom House School Blossom House School , Station Road KT3 6JJ | - not rated | 566 yd | Other independent special school | Yes | Mixed | More About School |
| St Matthew's Montessori School Spencer Road , Raynes Park SW20 0QN | - not rated | 1,516 yd | Other independent school | Not Applicable | Mixed | More About School |
| St Matthew's Montessori School Spencer Road , Raynes Park SW20 0QN | - not rated | 1,516 yd | Other independent school | Not Applicable | Mixed | More About School |
| The Study School 57 Thetford Road , KT3 5DP | - not rated | 1,792 yd | Other independent school | Yes | Mixed | More About School |
| Cambridge House School 159 Pepys Road , SW20 8NP | - not rated | 1,860 yd | Community special school | Not Applicable | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Chick N Beer | Ground Floor Restaurant, 282 Burlington Road | 166 yd | |
| Curry Leaves | 276-278 Burlington Road, New Malden | 186 yd | |
| Jin Go Gae | 272 Burlington Road, New Malden | 186 yd | |
| La Moda London | 259 Burlington Road, New Malden | 215 yd | |
| Servest Food Co - Tesco Staff Canteen | 300 Beverley Way, New Malden | 383 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Kings College School Sports Ground | Kingsway, New Malden | 463 yd | |
| Earl Beatty | 365 West Barnes Lane, New Malden | 565 yd | |
| Old Blues RFC | The Old Blues Rfc, Arthur Road | 614 yd | |
| Old Tenisonians Sports Club | Archbishop Tenison's School Sports Ground, Arthur Road | 614 yd | |
| KCS Old Boys RFC | School Sports Club House, Archbishop Tenisons School Sports Ground | 614 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Harris + Hoole | 300 Beverley Way, New Malden | 383 yd | |
| Ecklee Grill | 355 West Barnes Lane, New Malden | 565 yd | |
| Lucky Fish Bar | 346 West Barnes Lane, New Malden | 645 yd | |
| China World | 322 West Barnes Lane, New Malden | 645 yd | |
| Blossom and Brew | 328 West Barnes Lane, New Malden | 645 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Tesco | Warehouse & Tesco.Com, 300 Beverley Way | 383 yd | |
| Temmy African Superstore | 80 Burlington Road, New Malden | 1,025 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Raynes Park High School BUSHEY ROAD | artificial grass pitch, tennis courts | 492 yd |
| King'S College School Sports Ground KINGSWAY | artificial grass pitch, grass pitches | 602 yd |
| Archbishop Tenison'S School Sports Ground ARTHUR ROAD | grass pitches | 621 yd |
| Old Emanuel Rfc (Blagdons Sports Ground) OLD EMANUEL SCHOOL PLAYING FIELDS OLD EMANUEL SCHOOL PLAYING FIELDS BEVERLEY WAY | grass pitches | 660 yd |
| World Of Golf London BEVERLEY WAY | golf | 742 yd |
| The Old Royal & Sun Alliance Sports Ground Westway Close | grass pitches | 754 yd |
| Old Blues Rugby Football Club ARTHUR ROAD | grass pitches | 833 yd |
| St Catherine'S Football Ground GRAND DRIVE | grass pitches | 843 yd |
| Burlington Junior School BURLINGTON ROAD | grass pitches | 855 yd |
| Raynes Park Vale Fc OFFICES OFFICES GRAND DRIVE | grass pitches | 869 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 | 167.1 Mbit/s |
| Minimum download speed | 500 Mbit/s |
| Maximum download speed | 500 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 18.1 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.