Castle Street is in Rhuddlan, Rhyl and in Rhuddlan district. LL18 5AD is located in the Rhuddlan 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 Castle Street, Rhuddlan, Rhyl, LL18 5AD and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: LL18 5AN, LL18 5AH, LL18 5AW, LL18 5AL, LL18 5AB, LL18 5PY, LL18 5AE, LL18 5PQ, LL18 2TU.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around LL18 5AD is generally consistent with those figures, having a male population of 48.2%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Female | 49.6% | 51.8% | 2.2% | 51.0% | 0.8% |
| Male | 50.4% | 48.2% | -2.2% | 49.0% | -0.8% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 37.3% | 38.3% | 1.0% | 37.9% | 0.4% |
| Married: Opposite sex | 34.2% | 30.1% | -4.1% | 44.2% | -14.1% |
| Separated | 4% | 5.8% | 1.8% | 2.2% | 3.6% |
| Divorced | 16.9% | 13.6% | -3.3% | 9.1% | 4.5% |
| Widowed | 7.6% | 12.1% | 4.5% | 6.1% | 6.0% |
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 | 48.4% | 41.2% | -7.2% | 48.4% | -7.2% |
| Good health | 33.6% | 35% | 1.4% | 33.6% | 1.4% |
| Fair health | 12.9% | 18.1% | 5.2% | 12.7% | 5.4% |
| Bad health | 4.3% | 4.4% | 0.1% | 4.0% | 0.4% |
| Very bad health | 0.8% | 1.3% | 0.5% | 1.2% | 0.1% |
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 | 20.4% | 19% | -1.4% | 18.2% | 0.8% |
| 1-4 GCSEs or Equivalent | 13.8% | 8.3% | -5.5% | 9.6% | -1.3% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 16.4% | 19% | 2.6% | 13.4% | 5.6% |
| Apprenticeship | 4% | 4.9% | 0.9% | 5.3% | -0.4% |
| HNC, HND or 2+ A Levels | 13.3% | 14.6% | 1.3% | 16.9% | -2.3% |
| Degree or Similar | 30.7% | 32.7% | 2.0% | 33.8% | -1.1% |
| Other | 1.3% | 1.5% | 0.2% | 2.8% | -1.3% |
In this area, the population is predominantly white, with 96% 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% | 0.4% | 0.4% | 0.7% | -0.3% |
| Other Asian | 0% | 0.9% | 0.9% | 1.6% | -0.7% |
| Black Caribbean | 0.4% | 0% | -0.4% | 1.0% | -1.0% |
| Mixed White and Asian | 0.4% | 0% | -0.4% | 0.8% | -0.8% |
| Mixed White and Caribbean | 0.4% | 0% | -0.4% | 0.9% | -0.9% |
| White | 98.8% | 96% | -2.8% | 81.4% | 14.6% |
| Arab | 0% | 2.2% | 2.2% | 0.6% | 1.6% |
| Other | 0% | 0.4% | 0.4% | 1.6% | -1.2% |
In this area, 93% 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 | 99.2% | 93% | -6.2% | 83.2% | 9.8% |
| European Union | 0.4% | 2.2% | 1.8% | 6.1% | -3.9% |
| Middle East and Asia | 0.4% | 4.4% | 4.0% | 5.6% | -1.2% |
| Oceania | 0% | 0.4% | 0.4% | 0.3% | 0.1% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 98.4% | 93% | -5.4% | 83.2% | 9.8% |
| 10+ Years | 0% | 4% | 4.0% | 9.8% | -5.8% |
| 5-10 Years | 0% | 0.9% | 0.9% | 2.9% | -2.0% |
| 2-5 Years | 0% | 0.4% | 0.4% | 2.2% | -1.8% |
| Less than 2 years | 1.6% | 1.8% | 0.2% | 1.9% | -0.1% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 81.3% | 76.7% | 4.6% |
| Ireland | 0.4% | 0.6% | -0.2% |
| Romania | 0.4% | 0.9% | -0.5% |
| Other EU countries | 0.4% | 1.5% | -1.1% |
| Oceania | 0.4% | 0.1% | 0.3% |
| No passport held | 17% | 13.5% | 3.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 43.8% | 37.2% | 6.6% |
| Christian | 46.9% | 46.2% | 0.7% |
| Buddhist | 1.3% | 0.5% | 0.8% |
| Muslim | 2.7% | 6.5% | -3.8% |
| Other religion | 0.9% | 0.6% | 0.3% |
| Not answered | 4.4% | 6.0% | -1.6% |
Over the last 12 months, the overall crime rate around Castle Street was 161.9 per 1,000 residents, which is 1.5% lower than the Bodelwyddan average. The most reported crime type was Violence and sexual offences.
Castle Street has the 5th highest crime rate of 24 local areas in Bodelwyddan and the 61st highest crime rate of 353 local areas in Denbighshire .
Violent and sexual offences accounted for around 90.5 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has risen by about 25.0%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 74% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Ty Mawr Castle Street, Rhyl, Denbighshire Other, an established residential building | £360,000 | 2024-11-29 | £352,814 |
| 18 Castle Street, Rhyl, Denbighshire Terraced, an established residential building | £160,000 | 2023-09-22 | £164,805 |
| 20 Castle Street, Rhyl, Denbighshire Terraced, an established residential building | £185,500 | 2022-02-04 | £200,715 |
| Pros Kairon, 21 Castle Street, Rhyl, Denbighshire Detached, an established residential building | £197,000 | 2020-08-05 | £254,689 |
| 17 Castle Street, Rhyl, Denbighshire Terraced, an established residential building | £126,000 | 2018-11-30 | £176,881 |
LL18 5AD 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 | 71 |
| Retired | 60 |
| Part-Time Employee | 37 |
| Self-Employed | 14 |
| Other | 8 |
| Student (economically inactive) | 4 |
| Unemployed | 4 |
| Long-Term Sick or disabled | 4 |
| Full-Time Student (with or without job) | 2 |
| Looking after home or family | 1 |
| Human health and social work activities | 29 |
| Education | 16 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 15 |
| Accommodation and food service activities | 14 |
| Public administration and defence; compulsory social security | 10 |
| Construction | 10 |
| Professional, scientific and technical activities | 9 |
| Manufacturing | 8 |
| Other | 7 |
| Information and communication | 4 |
| Administrative and support service activities | 4 |
| Financial and insurance activities | 3 |
| Transport and storage | 2 |
| Real estate activities | 2 |
| Water supply; sewerage, waste management and remediation activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Ysgol Y Castell Hylas Lane , Rhuddlan LL18 5AG | - not rated | 286 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Pengwern College Sarn Lane , LL18 5UH | - not rated | 1,901 yd | Welsh establishment | No | Mixed | More About School |
| Ysgol Dewi Sant Ffordd Rhuddlan , Rhyl LL18 2RE | - not rated | 2,278 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Tir Morfa Ffordd Derwen , Rhyl LL18 2RN | - not rated | 2,584 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Llywelyn Trellewelyn Road , Rhyl LL18 4EU | - not rated | 2,962 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
School statistics for this postcode are based on Ofsted rankings.
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Green Island Bistro | Green Island Bistro, Fondella Buildings High Street, Rhuddlan | 169 yd | |
| The Kings Head | Kings Head High Street, Rhuddlan | 170 yd | |
| Bailey's Coffeeshop | Electric House High Street, Rhuddlan | 195 yd | |
| The Farmhouse Kitchen | 9 High Street, Rhuddlan | 200 yd | |
| Fei Von | The Old Bank High Street, Rhuddlan | 201 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| the castle inn | Castle Inn Castle Street, Rhuddlan | 121 yd | |
| The New Inn | New Inn High Street, Rhuddlan | 169 yd | |
| Pleasant View Club | Garsdale Abbey Road, Rhuddlan | 393 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| BRGR & Shakes | High Street Rhuddlan | 195 yd | |
| King Kebab | 3 High Street, Rhuddlan | 200 yd | |
| Pudding And Pie | 2, Elliott House Rhyl Road, Rhuddlan | 249 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Co-Op | Texaco Service Station Rhyl Road, Rhuddlan | 386 yd | |
| Aldi Stores Ltd | Aldi Marsh Road, Rhuddlan | 603 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 | 76.4 Mbit/s |
| Average download speed | 65.1 Mbit/s |
| Minimum download speed | 79.04 Mbit/s |
| Maximum download speed | 79.04 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 16.4 Mbit/s |
| Maximum upload speed | 20 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.