Llys Alun is in St. Asaph and in Rhuddlan district. LL17 0SJ is located in the St Asaph East electoral ward, within the English Parliamentary constituency of Vale of Clwyd. This postcode has been in use since 1980-01-01.
StreetScan combines information about Llys Alun, St. Asaph, LL17 0SJ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: LL17 0SZ, LL17 0SQ, LL17 0UA, LL17 0SU, LL17 0RW, LL17 0AJ, LL17 0AQ, LL17 0AX, LL17 0RR.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding LL17 0SJ has a slightly higher male population, with 50.2% 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 | 50.5% | 49.8% | -0.7% | 51.0% | -1.2% |
| Male | 49.5% | 50.2% | 0.7% | 49.0% | 1.2% |
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 LL17 0SJ there is a very large concentration of residents that are married - 54.9% 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 | 25.6% | 30.8% | 5.2% | 37.9% | -7.1% |
| Married: Opposite sex | 56% | 54.9% | -1.1% | 44.2% | 10.7% |
| Separated | 2.6% | 1.5% | -1.1% | 2.2% | -0.7% |
| Divorced | 7.7% | 6.4% | -1.3% | 9.1% | -2.7% |
| Widowed | 8.1% | 6.4% | -1.7% | 6.1% | 0.3% |
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 (87.4%) 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 | 56.9% | 57% | 0.1% | 48.4% | 8.6% |
| Good health | 29.9% | 30.4% | 0.5% | 33.6% | -3.2% |
| Fair health | 10.3% | 10% | -0.3% | 12.7% | -2.7% |
| Bad health | 2.1% | 1.6% | -0.5% | 4.0% | -2.4% |
| Very bad health | 0.7% | 1% | 0.3% | 1.2% | -0.2% |
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 | 12.4% | 13.3% | 0.9% | 18.2% | -4.9% |
| 1-4 GCSEs or Equivalent | 12.8% | 6.4% | -6.4% | 9.6% | -3.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15.4% | 14.8% | -0.6% | 13.4% | 1.4% |
| Apprenticeship | 1.3% | 3.4% | 2.1% | 5.3% | -1.9% |
| HNC, HND or 2+ A Levels | 12.4% | 18.2% | 5.8% | 16.9% | 1.3% |
| Degree or Similar | 44% | 42.4% | -1.6% | 33.8% | 8.6% |
| Other | 1.7% | 1.5% | -0.2% | 2.8% | -1.3% |
In this area, the population is predominantly white, with 96.8% 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) | |
|---|---|---|---|---|---|
| Pakistani | 0% | 0.3% | 0.3% | 2.7% | -2.4% |
| Other Asian | 1.4% | 1.3% | -0.1% | 1.6% | -0.3% |
| Mixed White and Asian | 0% | 0.6% | 0.6% | 0.8% | -0.2% |
| Mixed Other | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| White | 98.6% | 96.8% | -1.8% | 81.4% | 15.4% |
| Arab | 0% | 0.3% | 0.3% | 0.6% | -0.3% |
| Other | 0% | 0.3% | 0.3% | 1.6% | -1.3% |
In this area, 97.1% 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 | 98.2% | 97.1% | -1.1% | 83.2% | 13.9% |
| European Union | 0.4% | 0.3% | -0.1% | 6.1% | -5.8% |
| Africa | 0% | 0.6% | 0.6% | 2.7% | -2.1% |
| Middle East and Asia | 1.1% | 1.6% | 0.5% | 5.6% | -4.0% |
| The Americas and the Caribbean | 0% | 0.3% | 0.3% | 1.3% | -1.0% |
| British Overseas | 0.4% | 0% | -0.4% | 0.0% | 0.0% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 98.2% | 97.1% | -1.1% | 83.2% | 13.9% |
| 10+ Years | 0% | 1.6% | 1.6% | 9.8% | -8.2% |
| 2-5 Years | 1.1% | 1.3% | 0.2% | 2.2% | -0.9% |
| Less than 2 years | 0.7% | 0% | -0.7% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 87.7% | 76.7% | 11.0% |
| Ireland | 0.3% | 0.6% | -0.3% |
| Southern Asia | 1.3% | 1.2% | 0.1% |
| No passport held | 10.7% | 13.5% | -2.8% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 30.1% | 37.2% | -7.1% |
| Christian | 61.8% | 46.2% | 15.6% |
| Buddhist | 1.3% | 0.5% | 0.8% |
| Muslim | 1.9% | 6.5% | -4.6% |
| Other religion | 1.9% | 0.6% | 1.3% |
| Not answered | 2.9% | 6.0% | -3.1% |
Over the last 12 months, the overall crime rate around Llys Alun was 10.7 per 1,000 residents, which is 84.0% lower than the St Asaph East average. The most reported crime type was Violence and sexual offences.
Llys Alun has the lowest crime rate of 18 local areas in St Asaph East and the 17th lowest crime rate of 353 local areas in Denbighshire .
Violent and sexual offences accounted for around 10.7 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has stayed broadly stable by about 0.0%.

Households in this area have a slightly lower level of wealth to the average household in England and Wales. 70% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 4 Llys Alun, St Asaph, Denbighshire Semi-Detached, an established residential building | £215,000 | 2025-08-04 | £213,557 |
| 4 Llys Alun, St Asaph, Denbighshire Semi-Detached, an established residential building | £185,000 | 2023-09-01 | £191,852 |
| 5 Llys Alun, St Asaph, Denbighshire Semi-Detached, an established residential building | £215,000 | 2022-09-09 | £220,535 |
| 2 Llys Alun, St Asaph, Denbighshire Semi-Detached, an established residential building | £168,000 | 2022-04-11 | £186,747 |
| 4 Llys Alun, St Asaph, Denbighshire Semi-Detached, an established residential building | £150,000 | 2019-08-02 | £202,608 |
LL17 0SJ 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.
The percentage of retired residents living in LL17 0SJ area is much higher than the country's average. According to Census 2011, 32% residents of this area were retired, while the average in the UK was 14%.
| Full-Time Employee | 99 |
| Retired | 86 |
| Part-Time Employee | 29 |
| Self-Employed | 16 |
| Student (economically inactive) | 16 |
| Unemployed | 5 |
| Other | 4 |
| Looking after home or family | 4 |
| Long-Term Sick or disabled | 4 |
| Full-Time Student (with or without job) | 4 |
| Human health and social work activities | 39 |
| Education | 19 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 16 |
| Public administration and defence; compulsory social security | 14 |
| Manufacturing | 10 |
| Construction | 8 |
| Professional, scientific and technical activities | 7 |
| Other | 7 |
| Accommodation and food service activities | 6 |
| Electricity, gas, steam and air conditioning supply | 3 |
| Financial and insurance activities | 2 |
| Agriculture, forestry and fishing | 1 |
| Administrative and support service activities | 1 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Information and communication | 1 |
| Transport and storage | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Asaph V.P. Infants Upper Denbigh Road , St Asaph LL17 0RL | - not rated | 236 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Uwchradd Glan Clwyd Ffordd Dinbych , Llanelwy LL17 0RP | - not rated | 312 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Fairholme Prep. School The Mount , Mount Road LL17 0DH | - not rated | 891 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Trefnant Henllan Road , Trefnant LL16 5UF | - not rated | 3,973 yd | Welsh establishment | Not Applicable | Mixed | More About School |
| Pengwern College Sarn Lane , LL18 5UH | - not rated | 4,193 yd | Welsh establishment | No | Mixed | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Translators' Tearoom Limited | St Asaph Cathedral High Street | 387 yd | |
| The Flower Pot Cafe | The Flower Pots Cafe, Lower Shop High Street | 419 yd | |
| Bryn Dinas Hotel | Bryn Dinas Hotel Chester Street | 430 yd | |
| Jacobs Ladder | 1 Chester Street | 430 yd | |
| The Chippery | Gwylfa Bronwylfa Square | 477 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| The Barrow | The Barrow Restaurant High Street | 400 yd | |
| St. Asaph Conservative Club | St Asaph Conservative Club High Street | 417 yd | |
| The Swan Inn | Swan Inn The Roe | 956 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| St. Asaph Kebab House | Glan Clwyd High Street | 387 yd | |
| Bengal Village | Old Bank Buildings High Street | 417 yd | |
| Mandarin Kitchen | 1B High Street | 417 yd | |
| The Lunch Box | 3 Chester Street | 430 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Co-operative | Co Operative Food Lower Denbigh Road | 528 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 | 0.0% |
| Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband | 0.0% |
| Percentage of premises that have coverage from a Gigabit capable service from fixed broadband | 0.0% |
| 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 | 39.9 Mbit/s |
| Average download speed | 43.2 Mbit/s |
| Minimum download speed | 64.09 Mbit/s |
| Maximum download speed | 64.09 Mbit/s |
| Median upload speed | 7.5 Mbit/s |
| Average upload speed | 6.6 Mbit/s |
| Maximum upload speed | 8.76 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.