Cavendish Avenue is in Sidcup and in Bexley district. DA15 9EB is located in the Blendon & Penhill electoral ward, within the English Parliamentary constituency of Old Bexley and Sidcup. This postcode has been in use since 1980-01-01.
StreetScan combines information about Cavendish Avenue, Sidcup, DA15 9EB and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: DA15 9EA, DA15 9DT, DA15 9DZ, DA15 9DS, DA15 9DR, DA15 9ES, DA15 9JY, DA15 9BQ, DA15 9DU.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding DA15 9EB has a slightly higher male population, with 51.2% 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 | 49.9% | 48.8% | -1.1% | 51.0% | -2.2% |
| Male | 50.1% | 51.2% | 1.1% | 49.0% | 2.2% |
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 DA15 9EB 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 | 31% | 33.8% | 2.8% | 37.9% | -4.1% |
| Married: Opposite sex | 59% | 55.2% | -3.8% | 44.2% | 11.0% |
| Separated | 1% | 1.7% | 0.7% | 2.2% | -0.5% |
| Divorced | 3.8% | 3.7% | -0.1% | 9.1% | -5.4% |
| Widowed | 5.2% | 5.7% | 0.5% | 6.1% | -0.4% |
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 (87.3%) 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 | 51.8% | 53.4% | 1.6% | 48.4% | 5.0% |
| Good health | 31.8% | 33.9% | 2.1% | 33.6% | 0.3% |
| Fair health | 14.4% | 11% | -3.4% | 12.7% | -1.7% |
| Bad health | 1.4% | 1.7% | 0.3% | 4.0% | -2.3% |
| Very bad health | 0.6% | 0% | -0.6% | 1.2% | -1.2% |
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 | 17.2% | 11.1% | -6.1% | 18.2% | -7.1% |
| 1-4 GCSEs or Equivalent | 16.6% | 11.1% | -5.5% | 9.6% | 1.5% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 19% | 19.5% | 0.5% | 13.4% | 6.1% |
| Apprenticeship | 3.1% | 4% | 0.9% | 5.3% | -1.3% |
| HNC, HND or 2+ A Levels | 12.4% | 21.5% | 9.1% | 16.9% | 4.6% |
| Degree or Similar | 28.3% | 29.9% | 1.6% | 33.8% | -3.9% |
| Other | 3.4% | 3% | -0.4% | 2.8% | 0.2% |
In this area, the population is predominantly white, with 93.1% identifying as such, significantly higher than the UK average of 81.4%. This indicates a lower level of ethnic diversity compared to the broader UK population.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Chinese | 0% | 1.1% | 1.1% | 0.7% | 0.4% |
| Indian | 1.1% | 1.4% | 0.3% | 3.1% | -1.7% |
| Black African | 2.8% | 0.6% | -2.2% | 2.5% | -1.9% |
| Black Caribbean | 0.6% | 0.3% | -0.3% | 1.0% | -0.7% |
| Mixed White and Asian | 0.3% | 0.8% | 0.5% | 0.8% | 0.0% |
| Mixed White and African | 0.8% | 0% | -0.8% | 0.4% | -0.4% |
| Mixed White and Caribbean | 0.8% | 0.6% | -0.2% | 0.9% | -0.3% |
| Mixed Other | 0.3% | 0.3% | 0.0% | 0.8% | -0.5% |
| White | 93.2% | 93.1% | -0.1% | 81.4% | 11.7% |
| Arab | 0% | 0.3% | 0.3% | 0.6% | -0.3% |
| Other | 0% | 1.7% | 1.7% | 1.6% | 0.1% |
In this area, 96.7% of the population were born in the United Kingdom, which is higher than the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 96.9% | 96.7% | -0.2% | 83.2% | 13.5% |
| European Union | 0.6% | 1.1% | 0.5% | 6.1% | -5.0% |
| Africa | 2% | 0.8% | -1.2% | 2.7% | -1.9% |
| Middle East and Asia | 0.3% | 0.8% | 0.5% | 5.6% | -4.8% |
| The Americas and the Caribbean | 0% | 0.6% | 0.6% | 1.3% | -0.7% |
| 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 | 95.8% | 96.4% | 0.6% | 83.2% | 13.2% |
| 10+ Years | 0% | 3.3% | 3.3% | 9.8% | -6.5% |
| 2-5 Years | 1.7% | 0.3% | -1.4% | 2.2% | -1.9% |
| Less than 2 years | 2.5% | 0% | -2.5% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 94.2% | 76.7% | 17.5% |
| Ireland | 0.3% | 0.6% | -0.3% |
| France | 0.6% | 0.3% | 0.3% |
| Portugal | 0.3% | 0.5% | -0.2% |
| North Africa | 0.3% | 0.1% | 0.2% |
| North America and the Caribbean | 0.3% | 0.3% | 0.0% |
| No passport held | 4.1% | 13.5% | -9.4% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 37.5% | 37.2% | 0.3% |
| Christian | 50.7% | 46.2% | 4.5% |
| Muslim | 1.7% | 6.5% | -4.8% |
| Sikh | 1.4% | 0.9% | 0.5% |
| Other religion | 0.6% | 0.6% | 0.0% |
| Not answered | 8.3% | 6.0% | 2.3% |
Over the last 12 months, the overall crime rate around Cavendish Avenue was 6.3 per 1,000 residents, which is 88.5% lower than the Blackfen & Lamorbey average. The most reported crime type was Vehicle crime.
Cavendish Avenue has the 6th lowest crime rate of 120 local areas in Blackfen & Lamorbey and the 18th lowest crime rate of 725 local areas in Bexley .
Violent and sexual offences accounted for around 0.0 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -76.6%.

Households in this area have a higher level of wealth to the average household in England and Wales. 80% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 50 Cavendish Avenue, Sidcup, Greater London Semi-Detached, an established residential building | £515,000 | 2021-01-25 | £586,846 |
| 42 Cavendish Avenue, Sidcup, Greater London Semi-Detached, an established residential building | £340,000 | 2012-12-18 | £682,810 |
| 38 Cavendish Avenue, Sidcup, Greater London Semi-Detached, an established residential building | £337,500 | 2012-04-02 | £703,970 |
| 2 Cavendish Avenue, Sidcup, Greater London Semi-Detached, an established residential building | £285,000 | 2011-01-26 | £591,923 |
| 44 Cavendish Avenue, Sidcup, Greater London Semi-Detached, an established residential building | £291,000 | 2008-12-19 | £638,492 |
DA15 9EB 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 | 120 |
| Retired | 64 |
| Part-Time Employee | 40 |
| Self-Employed | 26 |
| Student (economically inactive) | 12 |
| Full-Time Student (with or without job) | 8 |
| Looking after home or family | 8 |
| Other | 7 |
| Long-Term Sick or disabled | 6 |
| Unemployed | 6 |
| Education | 21 |
| Construction | 20 |
| Professional, scientific and technical activities | 20 |
| Financial and insurance activities | 17 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 16 |
| Public administration and defence; compulsory social security | 15 |
| Human health and social work activities | 11 |
| Other | 11 |
| Transport and storage | 10 |
| Administrative and support service activities | 9 |
| Information and communication | 8 |
| Manufacturing | 7 |
| Accommodation and food service activities | 4 |
| Real estate activities | 3 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Abbey Wood Nursery School Dahlia Road , SE2 0SX | 3out of 4 | 5,165 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Chatsworth Infant School Burnt Oak Lane , DA15 9DD | 3out of 4 | 522 yd | Academy converter | Yes | Mixed | More About School |
| Days Lane Primary School Days Lane , DA15 8JU | 3out of 4 | 565 yd | Academy converter | Yes | Mixed | More About School |
| Sherwood Park Primary School Sherwood Park Avenue , DA15 9JQ | 3out of 4 | 693 yd | Academy converter | Yes | Mixed | More About School |
| Burnt Oak Junior School Burnt Oak Lane , DA15 9DA | 4out of 4 | 835 yd | Academy sponsor led | No | Mixed | More About School |
| Holy Trinity Lamorbey Church of England School Burnt Oak Lane , DA15 9DB | 3out of 4 | 859 yd | Academy converter | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Blackfen School for Girls Blackfen Road , DA15 9NU | 3out of 4 | 829 yd | Academy converter | No | Girls | More About School |
| Chislehurst and Sidcup Grammar School Hurst Road , DA15 9AG | 3out of 4 | 1,080 yd | Academy converter | Not Applicable | Mixed | More About School |
| Hurstmere School Hurst Road , DA15 9AW | 2out of 4 | 1,086 yd | Academy converter | Not Applicable | Boys | More About School |
| Bexley Grammar School Danson Lane , DA16 2BL | 4out of 4 | 1,503 yd | Academy converter | Not Applicable | Mixed | More About School |
| Harris Academy Falconwood The Green , DA16 2PE | 4out of 4 | 2,010 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Shooters Hill Sixth Form College Red Lion Lane , SE18 4LD | - not rated | 4,709 yd | Academy 16-19 converter | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Marlborough School Marlborough Park Avenue , DA15 9DP | 3out of 4 | 339 yd | Community special school | Not Applicable | Mixed | More About School |
| Rose Bruford College Lamorbey Park , Burnt Oak Lane DA15 9DF | - not rated | 686 yd | Higher education institutions | Not Applicable | Mixed | More About School |
| West Lodge School 36 Station Road , Sidcup DA15 7DU | - not rated | 1,847 yd | Other independent school | Yes | Mixed | More About School |
| Benedict House Preparatory School 1-5 Victoria Road , DA15 7HD | - not rated | 1,919 yd | Other independent school | Yes | Mixed | More About School |
| Cleeve Meadow School Bexley Lane , DA14 4JN | - not rated | 2,238 yd | Free schools special | No | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Oval Brasserie | 49 The Oval, Sidcup | 272 yd | |
| Hayat Restaurant | 25 The Oval, Sidcup | 272 yd | |
| Pride Of India | 35 The Oval, Sidcup | 272 yd | |
| El Iberico | 21 The Oval, Sidcup | 274 yd | |
| Banana Garden | 17 The Oval, Sidcup | 274 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Hangar Sidcup | 37 The Oval, Sidcup | 271 yd | |
| Rosary Parish Club | 330A Burnt Oak Lane, Sidcup | 693 yd | |
| Copper House Blackfen | 31 Wellington Parade, Blackfen Road | 844 yd | |
| Tap Sidcup | 3 Wellington Parade, Blackfen Road | 852 yd | |
| Ye Olde Black Horse | 43 Halfway Street, Sidcup | 959 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| New World Chinese Takeaway | 39 The Oval, Sidcup | 272 yd | |
| Oval Fish Bar | 43 The Oval, Sidcup | 274 yd | |
| LBs Pie & Mash | 16 Wellington Parade, Blackfen Road | 833 yd | |
| Oscar's Fish And Chips | 35 Wellington Parade, Blackfen Road | 833 yd | |
| Chapter Tep | 10 Wellington Parade, Blackfen Road | 838 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Tesco | 10 - 11 Blackfen Parade, Blackfen Road | 781 yd | |
| The Co-Operative | Westwood Lane, Sidcup | 878 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| Marlborough Park (Closed) Marlborough Park Avenue | grass pitches | 296 yd |
| Penhill Park ROWLEY AVENUE | grass pitches | 693 yd |
| Sidcup Youth Centre Burnt Oak Lane | 695 yd | |
| Days Lane Primary School DAYS LANE | grass pitches | 696 yd |
| Sidcup Golf Club HURST ROAD | golf | 788 yd |
| Blackfen School For Girls BLACKFEN ROAD | grass pitches | 800 yd |
| Holy Trinity Lamorbey C Of E Primary School Burnt Oak Lane | grass pitches | 809 yd |
| Burnt Oak Junior School BURNT OAK LANE | grass pitches | 814 yd |
| Sidcup Leisure Centre HURST ROAD | health and fitness suite, swimming pool | 877 yd |
| Hurstmere School HURST ROAD | artificial grass pitch, grass pitches, health and fitness suite | 954 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 | 40 Mbit/s |
| Average download speed | 172.5 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 8.8 Mbit/s |
| Average upload speed | 15.1 Mbit/s |
| Maximum upload speed | 50 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.