LL55 3NT is in Brynrefail, Caernarfon and Gwynedd district. LL55 3NT is located in the Cwm-y-glo electoral ward, within the English Parliamentary constituency of Arfon. This postcode has been in use since 1980-01-01.
StreetScan combines information about Brynrefail, Caernarfon, LL55 3NT and displays a report on the quality of life in this place and its surroundings.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding LL55 3NT has a slightly higher male population, with 50.3% 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 | 51.3% | 49.7% | -1.6% | 51.0% | -1.3% |
| Male | 48.7% | 50.3% | 1.6% | 49.0% | 1.3% |
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 | 38.1% | 40% | 1.9% | 37.9% | 2.1% |
| Married: Opposite sex | 48.4% | 44.4% | -4.0% | 44.2% | 0.2% |
| Separated | 1.9% | 2.9% | 1.0% | 2.2% | 0.7% |
| Divorced | 5.9% | 6.9% | 1.0% | 9.1% | -2.2% |
| Widowed | 5.6% | 5.8% | 0.2% | 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.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 59.3% | 51.8% | -7.5% | 48.4% | 3.4% |
| Good health | 28.4% | 32.9% | 4.5% | 33.6% | -0.7% |
| Fair health | 9.8% | 11.2% | 1.4% | 12.7% | -1.5% |
| Bad health | 1.8% | 2.6% | 0.8% | 4.0% | -1.4% |
| Very bad health | 0.8% | 1.6% | 0.8% | 1.2% | 0.4% |
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.
In the area around LL55 3NT this area, 8.4% of residents have no qualifications. This is significantly lower than the UK average of 18.2%. 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 45.4%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 16.6% | 8.4% | -8.2% | 18.2% | -9.8% |
| 1-4 GCSEs or Equivalent | 9.1% | 8.4% | -0.7% | 9.6% | -1.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 15% | 13.6% | -1.4% | 13.4% | 0.2% |
| Apprenticeship | 4.4% | 4.4% | 0.0% | 5.3% | -0.9% |
| HNC, HND or 2+ A Levels | 11.9% | 18.3% | 6.4% | 16.9% | 1.4% |
| Degree or Similar | 39.4% | 45.4% | 6.0% | 33.8% | 11.6% |
| Other | 3.8% | 1.5% | -2.3% | 2.8% | -1.3% |
In this area, the population is predominantly white, with 99% 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) | |
|---|---|---|---|---|---|
| Indian | 0% | 0.3% | 0.3% | 3.1% | -2.8% |
| Mixed White and Asian | 0% | 0.3% | 0.3% | 0.8% | -0.5% |
| Mixed White and Caribbean | 0% | 0.3% | 0.3% | 0.9% | -0.6% |
| White | 100% | 99% | -1.0% | 81.4% | 17.6% |
In this area, 98.4% 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 | 97.2% | 98.4% | 1.2% | 83.2% | 15.2% |
| European Union | 1.8% | 1.3% | -0.5% | 6.1% | -4.8% |
| Africa | 0% | 0.3% | 0.3% | 2.7% | -2.4% |
| Middle East and Asia | 0.5% | 0% | -0.5% | 5.6% | -5.6% |
| The Americas and the Caribbean | 0.5% | 0% | -0.5% | 1.3% | -1.3% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 97% | 97.8% | 0.8% | 83.2% | 14.6% |
| 10+ Years | 0.3% | 1.6% | 1.3% | 9.8% | -8.2% |
| 5-10 Years | 0.5% | 0.6% | 0.1% | 2.9% | -2.3% |
| Less than 2 years | 2.3% | 0% | -2.3% | 1.9% | -1.9% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 82.1% | 76.7% | 5.4% |
| Ireland | 0.3% | 0.6% | -0.3% |
| Other EU countries | 0.6% | 1.5% | -0.9% |
| No passport held | 16.9% | 13.5% | 3.4% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 47.3% | 37.2% | 10.1% |
| Christian | 42.8% | 46.2% | -3.4% |
| Hindu | 0.3% | 1.7% | -1.4% |
| Other religion | 1% | 0.6% | 0.4% |
| Not answered | 8.7% | 6.0% | 2.7% |
Over the last 12 months, the overall crime rate around LL55 3NT was 15.0 per 1,000 residents, which is 80.4% lower than the Arllechwedd average. The most reported crime type was Violence and sexual offences.
LL55 3NT has the lowest crime rate of 47 local areas in Arllechwedd and the 26th lowest crime rate of 394 local areas in Gwynedd .
Violent and sexual offences accounted for around 6.0 crimes per 1,000 residents and have been falling year on year. Over the last decade, overall crime has fallen by about -48.1%.

Households in this area have a lower level of wealth compared to the average household in England and Wales. 73% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| Gorswen, Caernarfon, Gwynedd Detached, an established residential building | £250,000 | 2025-01-24 | £241,886 |
| Isfryn Rallt, Caernarfon, Gwynedd Detached, an established residential building | £102,500 | 2024-06-14 | £106,057 |
| Gorswen, Caernarfon, Gwynedd Detached, an established residential building | £114,053 | 2023-09-15 | £106,153 |
| 4 Rallt, Caernarfon, Gwynedd Terraced, an established residential building | £209,000 | 2022-10-28 | £203,212 |
| 1-2 Rallt, Caernarfon, Gwynedd Terraced, an established residential building | £190,564 | 2022-09-22 | £185,838 |
LL55 3NT area has a very high level of entrepreneurship. Only 5% of streets have higher percent of entrepreneur residents. 17% 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.
| Full-Time Employee | 80 |
| Retired | 69 |
| Self-Employed | 47 |
| Part-Time Employee | 44 |
| Unemployed | 12 |
| Long-Term Sick or disabled | 8 |
| Student (economically inactive) | 6 |
| Looking after home or family | 5 |
| Other | 4 |
| Full-Time Student (with or without job) | 0 |
| Education | 39 |
| Human health and social work activities | 37 |
| Construction | 20 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 16 |
| Accommodation and food service activities | 13 |
| Public administration and defence; compulsory social security | 13 |
| Other | 13 |
| Manufacturing | 13 |
| Professional, scientific and technical activities | 11 |
| Agriculture, forestry and fishing | 9 |
| Administrative and support service activities | 9 |
| Information and communication | 6 |
| Transport and storage | 6 |
| Financial and insurance activities | 4 |
| Electricity, gas, steam and air conditioning supply | 3 |
| Real estate activities | 3 |
| Mining and quarrying | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| Ysgol Gymuned Penisarwaun Penisarwaen , Caernarfon LL55 3BW | - not rated | 1,310 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Gwaun Gynfi Deiniolen , LL55 3LT | - not rated | 1,953 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Llanrug Caernarfon , LL55 4AL | - not rated | 2,767 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Brynrefail Llanrug , Caernarfon LL55 4AD | - not rated | 2,864 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Dolbadarn Llanberis , LL55 4SH | - not rated | 3,585 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 |
|---|---|---|---|
| Caban | Caban | 117 yd | |
| Snowdon View Caravan Park | Snowdon View Caravan Park | 457 yd | |
| Bakehouse@ The Snowdon Inn | Y Fricsan | 595 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 | 85.7% |
| 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 | 14.3% |
| Median download speed | 30.2 Mbit/s |
| Average download speed | 36.6 Mbit/s |
| Minimum download speed | 54.92 Mbit/s |
| Maximum download speed | 54.92 Mbit/s |
| Median upload speed | 6.8 Mbit/s |
| Average upload speed | 4.7 Mbit/s |
| Maximum upload speed | 8.24 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.