Spa Close is in Brill, Aylesbury and in Buckinghamshire district. HP18 9RZ is located in the Grendon Underwood electoral ward, within the English Parliamentary constituency of Buckingham. This postcode has been in use since 1992-01-01.
StreetScan combines information about Spa Close, Brill, Aylesbury, HP18 9RZ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: HP18 9RY, HP18 9RX, HP18 9RU, HP18 9RT, HP18 9SP.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around HP18 9RZ is generally consistent with those figures, having a male population of 48.5%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 51.4% | 51.5% | 0.1% | 51.0% | 0.5% |
| Male | 48.6% | 48.5% | -0.1% | 49.0% | -0.5% |
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 HP18 9RZ there is a very large concentration of residents that are married - 53.9% 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 | 20.8% | 24.8% | 4.0% | 37.9% | -13.1% |
| Married: Opposite sex | 56.7% | 53.9% | -2.8% | 44.2% | 9.7% |
| Separated | 3% | 2.3% | -0.7% | 2.2% | 0.1% |
| Divorced | 8.7% | 10.1% | 1.4% | 9.1% | 1.0% |
| Widowed | 10.8% | 8.9% | -1.9% | 6.1% | 2.8% |
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 | 49.6% | 44.2% | -5.4% | 48.4% | -4.2% |
| Good health | 33.6% | 34.9% | 1.3% | 33.6% | 1.3% |
| Fair health | 12.9% | 14.3% | 1.4% | 12.7% | 1.6% |
| Bad health | 3.2% | 5% | 1.8% | 4.0% | 1.0% |
| Very bad health | 0.7% | 1.7% | 1.0% | 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.
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 45.9%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 19% | 15.4% | -3.6% | 18.2% | -2.8% |
| 1-4 GCSEs or Equivalent | 11.3% | 11.6% | 0.3% | 9.6% | 2.0% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.6% | 10.8% | -4.8% | 13.4% | -2.6% |
| Apprenticeship | 3.9% | 1.9% | -2.0% | 5.3% | -3.4% |
| HNC, HND or 2+ A Levels | 7.8% | 14.3% | 6.5% | 16.9% | -2.6% |
| Degree or Similar | 40.3% | 45.9% | 5.6% | 33.8% | 12.1% |
| Other | 2.2% | 0% | -2.2% | 2.8% | -2.8% |
In this area, the population is predominantly white, with 98.3% 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 | 0.7% | 0% | -0.7% | 0.7% | -0.7% |
| Other Asian | 0.7% | 0% | -0.7% | 1.6% | -1.6% |
| Black Caribbean | 0.4% | 0% | -0.4% | 1.0% | -1.0% |
| Mixed White and Asian | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| Mixed White and Caribbean | 1.1% | 0% | -1.1% | 0.9% | -0.9% |
| Mixed Other | 0.7% | 0% | -0.7% | 0.8% | -0.8% |
| White | 95.4% | 98.3% | 2.9% | 81.4% | 16.9% |
| Arab | 1.1% | 0% | -1.1% | 0.6% | -0.6% |
| Other | 0% | 1.3% | 1.3% | 1.6% | -0.3% |
In this area, 89.4% of the population were born in the United Kingdom, which is similar to the UK average of 83.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| United Kingdom | 94.3% | 89.4% | -4.9% | 83.2% | 6.2% |
| European Union | 1.8% | 5% | 3.2% | 6.1% | -1.1% |
| Rest of Europe | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| Africa | 0.4% | 1.7% | 1.3% | 2.7% | -1.0% |
| Middle East and Asia | 2.9% | 1% | -1.9% | 5.6% | -4.6% |
| The Americas and the Caribbean | 0.4% | 2.7% | 2.3% | 1.3% | 1.4% |
| Oceania | 0.4% | 0% | -0.4% | 0.3% | -0.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 93.6% | 89.4% | -4.2% | 83.2% | 6.2% |
| 10+ Years | 0% | 7.3% | 7.3% | 9.8% | -2.5% |
| 5-10 Years | 0.4% | 3% | 2.6% | 2.9% | 0.1% |
| 2-5 Years | 0% | 0.3% | 0.3% | 2.2% | -1.9% |
| Less than 2 years | 6.1% | 0% | -6.1% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 86.3% | 76.7% | 9.6% |
| Ireland | 0.7% | 0.6% | 0.1% |
| Poland | 1% | 1.3% | -0.3% |
| Romania | 1% | 0.9% | 0.1% |
| Other EU countries | 0.7% | 1.5% | -0.8% |
| Central and South America | 0.3% | 0.2% | 0.1% |
| No passport held | 10% | 13.5% | -3.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 44.2% | 37.2% | 7.0% |
| Christian | 48.5% | 46.2% | 2.3% |
| Jewish | 1.3% | 0.5% | 0.8% |
| Not answered | 6% | 6.0% | 0.0% |
Over the last 12 months, the overall crime rate around Spa Close was 51.0 per 1,000 residents, which is 26.7% higher than the Grendon Underwood average. The most reported crime type was Violence and sexual offences.
Spa Close has the 6th highest crime rate of 18 local areas in Grendon Underwood and the 678th highest crime rate of 1,637 local areas in Buckinghamshire .
Violent and sexual offences accounted for around 30.6 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -20.5%.

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 |
|---|---|---|---|
| 3 Spa Close, Aylesbury, Buckinghamshire Detached, an established residential building | £960,000 | 2014-10-10 | £1,357,054 |
| 4 Spa Close, Aylesbury, Buckinghamshire Detached, an established residential building | £490,000 | 2006-05-12 | £956,986 |
HP18 9RZ area has a very high level of entrepreneurship. Only 11% of streets have higher percent of entrepreneur residents. 15% 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.
HP18 9RZ 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.
The percentage of retired residents living in HP18 9RZ area is much higher than the country's average. According to Census 2011, 30% residents of this area were retired, while the average in the UK was 14%.
| Retired | 78 |
| Full-Time Employee | 75 |
| Self-Employed | 38 |
| Part-Time Employee | 19 |
| Long-Term Sick or disabled | 11 |
| Student (economically inactive) | 11 |
| Looking after home or family | 11 |
| Other | 9 |
| Unemployed | 8 |
| Full-Time Student (with or without job) | 1 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 26 |
| Professional, scientific and technical activities | 20 |
| Human health and social work activities | 16 |
| Education | 12 |
| Administrative and support service activities | 9 |
| Information and communication | 8 |
| Public administration and defence; compulsory social security | 7 |
| Transport and storage | 7 |
| Construction | 6 |
| Other | 4 |
| Real estate activities | 3 |
| Agriculture, forestry and fishing | 3 |
| Manufacturing | 3 |
| Accommodation and food service activities | 2 |
| Electricity, gas, steam and air conditioning supply | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Brill Church of England School The Firs , Brill HP18 9RY | 3out of 4 | 219 yd | Academy converter | No | Mixed | More About School |
| Oakley Church of England Combined School Worminghall Road , Oakley HP18 9QY | 3out of 4 | 2,890 yd | Voluntary controlled school | No | Mixed | More About School |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Ashfold School Dorton House , Dorton HP18 9NG | - not rated | 2,396 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 |
|---|---|---|---|
| The Pointer | 27 Church Street, Brill | 310 yd | |
| Brill Sports & Social Club | Church Street, Brill | 310 yd | |
| The Pheasant | 39 Windmill Street, Brill | 609 yd |
| Facility Name | Sport Objects | Distance |
|---|---|---|
| King George V Playing Fields TEMPLE STREET | grass pitches | 291 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% |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.