Knoll Crescent is in Northwood and in Hillingdon district. HA6 1HJ is located in the Northwood electoral ward, within the English Parliamentary constituency of Ruislip, Northwood and Pinner. This postcode has been in use since 1980-01-01.
StreetScan combines information about Knoll Crescent, Northwood, HA6 1HJ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: HA6 1HH, HA6 1HL, HA6 1HW, HA6 1HQ, HA6 1HP, HA6 1HR, HA6 1HD, HA6 1HG, HA6 1HF.
In the UK, the overall gender distribution is approximately 49% male and 51% female. However, the area surrounding HA6 1HJ, has a female population slightly higher than UK average, with 53.1% of residents being female. Several factors can contribute to this. Women generally live longer than men, resulting in a higher proportion of women in neighborhoods with significant elderly populations. Typically, as people grow older, they tend to relocate from city center addresses to suburban areas, smaller towns, and rural locations. Consequently, these areas often have a higher number of females. A higher female population can also be found in areas with industries that employ more women, such as healthcare, education, and retail.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 49.9% | 53.1% | 3.2% | 51.0% | 2.1% |
| Male | 50.1% | 46.9% | -3.2% | 49.0% | -2.1% |
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 HA6 1HJ there is a very large concentration of residents that are married - 62.7% 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 | 27% | 24.8% | -2.2% | 37.9% | -13.1% |
| Married: Opposite sex | 59% | 62.7% | 3.7% | 44.2% | 18.5% |
| Separated | 1% | 0.3% | -0.7% | 2.2% | -1.9% |
| Divorced | 3.6% | 6% | 2.4% | 9.1% | -3.1% |
| Widowed | 9.4% | 6.3% | -3.1% | 6.1% | 0.2% |
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 | 50.9% | 51.4% | 0.5% | 48.4% | 3.0% |
| Good health | 34.4% | 32.6% | -1.8% | 33.6% | -1.0% |
| Fair health | 10% | 12.6% | 2.6% | 12.7% | -0.1% |
| Bad health | 3.8% | 2.8% | -1.0% | 4.0% | -1.2% |
| Very bad health | 0.8% | 0.5% | -0.3% | 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.
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 58.3%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 11.4% | 10.7% | -0.7% | 18.2% | -7.5% |
| 1-4 GCSEs or Equivalent | 9.4% | 5.6% | -3.8% | 9.6% | -4.0% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.6% | 7.8% | -7.8% | 13.4% | -5.6% |
| Apprenticeship | 1% | 2.5% | 1.5% | 5.3% | -2.8% |
| HNC, HND or 2+ A Levels | 10.1% | 12.2% | 2.1% | 16.9% | -4.7% |
| Degree or Similar | 46.6% | 58.3% | 11.7% | 33.8% | 24.5% |
| Other | 5.9% | 2.8% | -3.1% | 2.8% | 0.0% |
In this area, the population is more ethnically diverse compared to the UK average. While 47.7% 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 | 0.3% | 1.3% | 1.0% | 1.1% | 0.2% |
| Chinese | 0.3% | 0.3% | 0.0% | 0.7% | -0.4% |
| Indian | 18.4% | 36.2% | 17.8% | 3.1% | 33.1% |
| Pakistani | 3.5% | 4.9% | 1.4% | 2.7% | 2.2% |
| Other Asian | 9.8% | 3.3% | -6.5% | 1.6% | 1.7% |
| Black African | 0.8% | 0.8% | 0.0% | 2.5% | -1.7% |
| Other Black | 0.3% | 0.3% | 0.0% | 0.5% | -0.2% |
| Mixed White and Asian | 0% | 0.5% | 0.5% | 0.8% | -0.3% |
| Mixed Other | 0.5% | 0.5% | 0.0% | 0.8% | -0.3% |
| White | 65.6% | 47.7% | -17.9% | 81.4% | -33.7% |
| Other | 0.5% | 4.4% | 3.9% | 1.6% | 2.8% |
In this area, 62.1% 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 | 67.5% | 62.1% | -5.4% | 83.2% | -21.1% |
| European Union | 5.4% | 5.1% | -0.3% | 6.1% | -1.0% |
| Rest of Europe | 1.1% | 0.8% | -0.3% | 0.8% | 0.0% |
| Africa | 10.6% | 12% | 1.4% | 2.7% | 9.3% |
| Middle East and Asia | 13.8% | 16.9% | 3.1% | 5.6% | 11.3% |
| The Americas and the Caribbean | 1.4% | 2.8% | 1.4% | 1.3% | 1.5% |
| Oceania | 0.3% | 0.3% | 0.0% | 0.3% | 0.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 66.4% | 62.5% | -3.9% | 83.2% | -20.7% |
| 10+ Years | 1.6% | 29.6% | 28.0% | 9.8% | 19.8% |
| 5-10 Years | 3.8% | 1.3% | -2.5% | 2.9% | -1.6% |
| 2-5 Years | 3.8% | 4.4% | 0.6% | 2.2% | 2.2% |
| Less than 2 years | 24.4% | 2.3% | -22.1% | 1.9% | 0.4% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 89.2% | 76.7% | 12.5% |
| Ireland | 0.5% | 0.6% | -0.1% |
| France | 0.3% | 0.3% | 0.0% |
| Germany | 0.3% | 0.2% | 0.1% |
| Spain | 1% | 0.4% | 0.6% |
| Romania | 0.5% | 0.9% | -0.4% |
| Other EU countries | 2.3% | 1.5% | 0.8% |
| Other Europe | 0.3% | 0.2% | 0.1% |
| North Africa | 0.5% | 0.1% | 0.4% |
| Southern Asia | 2.3% | 1.2% | 1.1% |
| North America and the Caribbean | 0.5% | 0.3% | 0.2% |
| Central and South America | 0.5% | 0.2% | 0.3% |
| No passport held | 1.8% | 13.5% | -11.7% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 13.7% | 37.2% | -23.5% |
| Christian | 30.4% | 46.2% | -15.8% |
| Hindu | 28.4% | 1.7% | 26.7% |
| Jewish | 2.6% | 0.5% | 2.1% |
| Muslim | 12.1% | 6.5% | 5.6% |
| Sikh | 3.6% | 0.9% | 2.7% |
| Other religion | 5.4% | 0.6% | 4.8% |
| Not answered | 3.9% | 6.0% | -2.1% |
Over the last 12 months, the overall crime rate around Knoll Crescent was 57.4 per 1,000 residents, which is 32.8% lower than the Northwood average. The most reported crime type was Violence and sexual offences.
Knoll Crescent has the 27th highest crime rate of 55 local areas in Northwood and the 324th lowest crime rate of 801 local areas in Hillingdon .
Violent and sexual offences accounted for around 15.7 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -9.0%.

Households in this area have a higher level of wealth to the average household in England and Wales. 85% of analyzed areas in England and Wales have lower average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 2 Knoll Crescent, Northwood, Greater London Semi-Detached, an established residential building | £625,000 | 2025-01-24 | £642,659 |
| 10 Knoll Crescent, Northwood, Greater London Terraced, an established residential building | £550,000 | 2023-10-25 | £580,938 |
| 36 Knoll Crescent, Northwood, Greater London Semi-Detached, an established residential building | £520,000 | 2020-03-25 | £616,857 |
| 18 Knoll Crescent, Northwood, Greater London Semi-Detached, an established residential building | £575,000 | 2016-11-16 | £699,195 |
| 10 Knoll Crescent, Northwood, Greater London Terraced, an established residential building | £530,000 | 2016-08-24 | £630,035 |
HA6 1HJ area has a very high level of entrepreneurship. Only 11% of streets have higher percent of entrepreneur residents. 14% 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.
HA6 1HJ area has a low unemployment rate. According to Census 2021, 3% 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 | 99 |
| Retired | 86 |
| Self-Employed | 46 |
| Part-Time Employee | 32 |
| Looking after home or family | 19 |
| Student (economically inactive) | 16 |
| Other | 11 |
| Unemployed | 9 |
| Full-Time Student (with or without job) | 2 |
| Long-Term Sick or disabled | 0 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 26 |
| Professional, scientific and technical activities | 23 |
| Education | 20 |
| Human health and social work activities | 19 |
| Financial and insurance activities | 17 |
| Other | 14 |
| Construction | 13 |
| Transport and storage | 12 |
| Public administration and defence; compulsory social security | 8 |
| Information and communication | 7 |
| Manufacturing | 7 |
| Administrative and support service activities | 5 |
| Water supply; sewerage, waste management and remediation activities | 2 |
| Accommodation and food service activities | 2 |
| Real estate activities | 2 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Oxhey Early Years Centre Eastbury Road , Oxhey WD19 4RL | 4out of 4 | 4,989 yd | Local authority nursery school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Hillside Infant School Northwood Way , HA6 1RX | 3out of 4 | 940 yd | Foundation school | Yes | Mixed | More About School |
| Hillside Junior School Northwood Way , HA6 1RX | 3out of 4 | 940 yd | Foundation school | No | Mixed | More About School |
| Frithwood Primary School Carew Road , HA6 3NJ | 3out of 4 | 1,211 yd | Community school | Yes | Mixed | More About School |
| Holy Trinity CofE Primary School Rickmansworth Road , HA6 2RH | 3out of 4 | 1,703 yd | Voluntary aided school | Yes | Mixed | More About School |
| Harlyn Primary School Tolcarne Drive , Pinner HA5 2DR | 3out of 4 | 1,707 yd | Community school | Yes | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Northwood School Pinner Road , HA6 1QN | 4out of 4 | 1,104 yd | Academy converter | Not Applicable | Mixed | More About School |
| UTC Heathrow Potter Street , HA6 1QG | 2out of 4 | 1,138 yd | University technical college | No | Mixed | More About School |
| Haydon School Wiltshire Lane , Eastcote HA5 2LX | 4out of 4 | 1,244 yd | Academy converter | Not Applicable | Mixed | More About School |
| Bishop Ramsey Church of England School Hume Way , HA4 8EE | 4out of 4 | 3,189 yd | Academy converter | Not Applicable | Mixed | More About School |
| The Harefield Academy Northwood Way , Harefield UB9 6ET | 2out of 4 | 3,896 yd | Academy sponsor led | Not Applicable | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Northwood College for Girls GDST Maxwell Road , HA6 2YE | - not rated | 860 yd | Other independent school | Yes | Girls | More About School |
| St Helen's School Eastbury Road , HA6 3AS | - not rated | 1,172 yd | Other independent school | Yes | Girls | More About School |
| London School of Theology Green Lane , HA6 2UW | - not rated | 1,330 yd | Miscellaneous | Not Applicable | Mixed | More About School |
| The Hall School The Grange , Rickmansworth Road HA6 2RB | - not rated | 1,391 yd | Other independent school | Yes | Mixed | More About School |
| RNIB Sunshine House School 33 Dene Road , HA6 2DD | 4out of 4 | 1,474 yd | Non-maintained special school | Yes | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Summer Cafe | 4 High Street, Malmesbury | 259 yd | |
| Bombay Chow Brasserie | Haste Hill Golf Club, The Drive | 288 yd | |
| Brew T Way | 130 Pinner Road | 298 yd | |
| Invitation | 36 High Street | 398 yd | |
| Wyld Thyme Eatery | 58 High Street | 519 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Northwood Town Cricket Club | Chestnut Avenue | 132 yd | |
| The Olde Northwood P H | The Olde Northwood Ph, 142 Pinner Road | 293 yd | |
| Northwood Football Club | Northwood Football Club, Chestnut Avenue | 419 yd | |
| Sahibs | 22 The Broadway, Joel Street | 802 yd | |
| The Locker Room | 29 The Broadway, Joel Street | 853 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Magic Wok | 24 High Street | 398 yd | |
| Northwood Fish And Chips | 74 High Street | 519 yd | |
| Papa Johns | 42 The Broadway, Joel Street | 815 yd | |
| Mari Masala | 50 The Broadway, Joel Street | 815 yd | |
| KFC | 25 The Broadway, Joel Street | 852 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Co-op | The William Jolle, 53 The Broadway, Joel Street | 869 yd | |
| Tesco | Tesco Express, Tolcarne Service Station, Joel Street | 960 yd | |
| Waitrose Ltd | 52 Green Lane | 977 yd | |
| Tesco Express | 15 Maxwell Road | 1,014 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| The Northwood Club CHESTNUT AVENUE | health and fitness suite, squash courts, swimming pool | 181 yd |
| Haste Hill Golf Course THE DRIVE | golf | 285 yd |
| Northwood Recreation Ground Chestnut Avenue | grass pitches, tennis courts | 505 yd |
| Hillside Junior School Northwood Way | grass pitches | 877 yd |
| Northwood College Maxwell Road | artificial grass pitch, grass pitches, health and fitness suite, swimming pool | 982 yd |
| Northwood Golf Club Ltd RICKMANSWORTH ROAD | golf | 985 yd |
| St Helens School Sports Centre GREEN LANE | artificial grass pitch, grass pitches, health and fitness suite, swimming pool, tennis courts | 1,018 yd |
| Northwood School (Closed) Potter Street | grass pitches | 1,057 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 | 70.6 Mbit/s |
| Average download speed | 93.7 Mbit/s |
| Minimum download speed | 350 Mbit/s |
| Maximum download speed | 350 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 15.7 Mbit/s |
| Maximum upload speed | 35 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.