Blackweir Terrace is in Cardiff and in Cardiff district. CF10 3EZ is located in the Cathays electoral ward, within the English Parliamentary constituency of Cardiff Central. This postcode has been in use since 2005-01-01.
StreetScan combines information about Blackweir Terrace, Cardiff, CF10 3EZ and displays a report on the quality of life in this place and its surroundings.
Nearby postcodes are: CF10 3DX, CF10 3EL, CF10 3EP, CF10 3EQ, CF10 3DZ, CF10 3DW, CF10 3EJ, CF10 3EA, CF24 4HL.
In the UK, the overall gender distribution is approximately 49% male and 51% female. The area surrounding CF10 3EZ has a slightly higher male population, with 51.4% 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 | 47.6% | 48.6% | 1.0% | 51.0% | -2.4% |
| Male | 52.4% | 51.4% | -1.0% | 49.0% | 2.4% |
Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.
In the immediate area around CF10 3EZ, a significant portion of the population is single, making up 59.6% of the residents. On average, approximately 38% of individuals who responded to the census in the UK were single. Areas with higher single populations are typically urban centers, university towns, regions with dynamic job markets, rich cultural offerings and entertainment facilities. These regions also tend to have a younger demographic.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Single | 47.6% | 59.6% | 12.0% | 37.9% | 21.7% |
| Married: Opposite sex | 19% | 15.6% | -3.4% | 44.2% | -28.6% |
| Separated | 1.9% | 0.9% | -1.0% | 2.2% | -1.3% |
| Divorced | 10.5% | 14.7% | 4.2% | 9.1% | 5.6% |
| Widowed | 21% | 9.2% | -11.8% | 6.1% | 3.1% |
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 lower percentage of residents reporting their health as Good or Very Good (61.6%) compared to the average (82%). This typically indicates either an older population or social deprivation in the area.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Very good health | 39% | 36.6% | -2.4% | 48.4% | -11.8% |
| Good health | 21.9% | 25% | 3.1% | 33.6% | -8.6% |
| Fair health | 21% | 22.3% | 1.3% | 12.7% | 9.6% |
| Bad health | 9.5% | 11.6% | 2.1% | 4.0% | 7.6% |
| Very bad health | 8.6% | 4.5% | -4.1% | 1.2% | 3.3% |
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 CF10 3EZ this area, 28.8% of residents have no qualifications. This is significantly higher 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%.
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| No qualifications | 41% | 28.8% | -12.2% | 18.2% | 10.6% |
| 1-4 GCSEs or Equivalent | 1.9% | 5.4% | 3.5% | 9.6% | -4.2% |
| 5 or more GCSEs, an A-Level or 1-2 AS Levels | 7.6% | 9% | 1.4% | 13.4% | -4.4% |
| Apprenticeship | 1.9% | 0% | -1.9% | 5.3% | -5.3% |
| HNC, HND or 2+ A Levels | 10.5% | 11.7% | 1.2% | 16.9% | -5.2% |
| Degree or Similar | 31.4% | 45% | 13.6% | 33.8% | 11.2% |
| Other | 5.7% | 0% | -5.7% | 2.8% | -2.8% |
In this area, the population is more ethnically diverse compared to the UK average. While 72.8% 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) | |
|---|---|---|---|---|---|
| Chinese | 17.1% | 10.5% | -6.6% | 0.7% | 9.8% |
| Indian | 3.8% | 1.8% | -2.0% | 3.1% | -1.3% |
| Pakistani | 0% | 1.8% | 1.8% | 2.7% | -0.9% |
| Other Asian | 0% | 4.4% | 4.4% | 1.6% | 2.8% |
| Black African | 1% | 4.4% | 3.4% | 2.5% | 1.9% |
| Mixed White and Asian | 1% | 0% | -1.0% | 0.8% | -0.8% |
| Mixed White and African | 0% | 0.9% | 0.9% | 0.4% | 0.5% |
| Mixed White and Caribbean | 1% | 0.9% | -0.1% | 0.9% | 0.0% |
| Mixed Other | 0% | 0.9% | 0.9% | 0.8% | 0.1% |
| White | 69.5% | 72.8% | 3.3% | 81.4% | -8.6% |
| Arab | 3.8% | 0% | -3.8% | 0.6% | -0.6% |
| Other | 2.9% | 1.8% | -1.1% | 1.6% | 0.2% |
In this area, 65.2% 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 | 66.7% | 65.2% | -1.5% | 83.2% | -18.0% |
| European Union | 1.9% | 10.7% | 8.8% | 6.1% | 4.6% |
| Rest of Europe | 1% | 1.8% | 0.8% | 0.8% | 1.0% |
| Africa | 1.9% | 3.6% | 1.7% | 2.7% | 0.9% |
| Middle East and Asia | 27.6% | 16.1% | -11.5% | 5.6% | 10.5% |
| The Americas and the Caribbean | 1% | 0.9% | -0.1% | 1.3% | -0.4% |
| Oceania | 0% | 1.8% | 1.8% | 0.3% | 1.5% |
| 2011 | 2021 | 10y change (pp) | UK Average | postcode vs UK (pp) | |
|---|---|---|---|---|---|
| Born in the UK | 66.7% | 64.6% | -2.1% | 83.2% | -18.6% |
| 10+ Years | 14.3% | 9.7% | -4.6% | 9.8% | -0.1% |
| 5-10 Years | 12.4% | 5.3% | -7.1% | 2.9% | 2.4% |
| 2-5 Years | 1.9% | 8% | 6.1% | 2.2% | 5.8% |
| Less than 2 years | 4.8% | 12.4% | 7.6% | 1.9% | 10.5% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| United Kingdom | 53.6% | 76.7% | -23.1% |
| Ireland | 1.8% | 0.6% | 1.2% |
| Germany | 0.9% | 0.2% | 0.7% |
| Spain | 0.9% | 0.4% | 0.5% |
| Lithuania | 2.7% | 0.3% | 2.4% |
| Poland | 3.6% | 1.3% | 2.3% |
| Other EU countries | 1.8% | 1.5% | 0.3% |
| Central and Western Africa | 0.9% | 0.3% | 0.6% |
| Middle East | 1.8% | 0.1% | 1.7% |
| Eastern Asia | 6.3% | 0.3% | 6.0% |
| South-East Asia | 4.5% | 0.2% | 4.3% |
| North America and the Caribbean | 0.9% | 0.3% | 0.6% |
| Oceania | 0.9% | 0.1% | 0.8% |
| No passport held | 19.6% | 13.5% | 6.1% |
| 2021 | UK Average | postcode vs UK (pp) | |
|---|---|---|---|
| No religion | 46.8% | 37.2% | 9.6% |
| Christian | 35.1% | 46.2% | -11.1% |
| Buddhist | 3.6% | 0.5% | 3.1% |
| Jewish | 2.7% | 0.5% | 2.2% |
| Muslim | 4.5% | 6.5% | -2.0% |
| Sikh | 0.9% | 0.9% | 0.0% |
| Other religion | 5.4% | 0.6% | 4.8% |
| Not answered | 0.9% | 6.0% | -5.1% |
Over the last 12 months, the overall crime rate around Blackweir Terrace was 0.0 per 1,000 residents, matching the Cathays average.
Violent and sexual offences accounted for a small share of all recorded crimes .

Households in this area have a lower level of wealth compared to the average household in England and Wales. 88% of analyzed areas in England and Wales have higher average household annual income than this area.

| Address | Sale Price | Sale Date | Price Estimate 2025 |
|---|---|---|---|
| 28 Lock Keepers Court Blackweir Terrace, Cardiff, Cardiff Flats/Maisonettes, an established residential building | £150,000 | 2024-02-07 | £151,996 |
| 13 Lock Keepers Court Blackweir Terrace, Cardiff, Cardiff Flats/Maisonettes, an established residential building | £168,000 | 2023-08-18 | £169,541 |
| 30 Lock Keepers Court Blackweir Terrace, Cardiff, Cardiff Flats/Maisonettes, an established residential building | £116,250 | 2023-01-27 | £115,088 |
| 33 Lock Keepers Court Blackweir Terrace, Cardiff, Cardiff Flats/Maisonettes, an established residential building | £165,000 | 2022-08-19 | £167,883 |
| 23 Lock Keepers Court Blackweir Terrace, Cardiff, Cardiff Flats/Maisonettes, an established residential building | £175,000 | 2022-07-08 | £177,875 |
CF10 3EZ area has a low unemployment rate. According to Census 2021, 1% 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 student residents living in CF10 3EZ area is much higher than the country's average. Usually places with high percentage of students are near Universities and near entertainment places.
| Full-Time Employee | 34 |
| Retired | 29 |
| Student (economically inactive) | 13 |
| Full-Time Student (with or without job) | 12 |
| Long-Term Sick or disabled | 10 |
| Part-Time Employee | 4 |
| Other | 3 |
| Unemployed | 1 |
| Looking after home or family | 1 |
| Self-Employed | 1 |
| Wholesale and retail trade; repair of motor vehicles and motor cycles | 6 |
| Accommodation and food service activities | 5 |
| Education | 5 |
| Information and communication | 2 |
| Financial and insurance activities | 1 |
| Transport and storage | 1 |
| Administrative and support service activities | 1 |
| Construction | 1 |
| Human health and social work activities | 1 |
| Ofsted Overall Effectiveness | Distance | Establishment Type | Has Nursery Classes | Gender | More Info | |
|---|---|---|---|---|---|---|
| St Monica's C.I.W. Primary School Whitchurch Road , Heath CF14 3JL | - not rated | 379 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Cardiff Muslim Primary School Merthyr Street , Cathays CF24 4JL | - not rated | 477 yd | Welsh establishment | No | Mixed | More About School |
| Cathays High School Crown Way , New Zealand Road CF14 3XG | - not rated | 645 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Ysgol Mynydd Bychan New Zealand Road , Cathays CF14 3BR | - not rated | 645 yd | Welsh establishment | Not Applicable | Not applicable | More About School |
| Gladstone Primary Whitchurch Road , Heath CF14 3JL | - not rated | 692 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 |
|---|---|---|---|
| Brodies Bricks N' Mortar | 56 North Road, Cathays | 50 yd | |
| MILK AND SUGAR | Cardiff University Cambrian House, 118 Maindy Road, Cathays | 277 yd | |
| Ty Coffi | Cardiff Business School Postgraduate Teaching Centre Colum Drive, Cathays | 374 yd | |
| Hadyn Ellis Coffee Shop | Hadyn Ellis Building Maindy Road, Cathays | 408 yd | |
| The Table | Pentyrch Street Baptist Church Pentyrch Street, Cathays | 511 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Diggste pub company | The Blackweir Tavern, 35 North Road, Cathays | 61 yd | |
| Bar 105 | 105 Cathays Terrace, Cathays | 515 yd | |
| The Flora | The Flora Hotel, 134 - 136 Cathays Terrace, Cathays | 549 yd | |
| The Woodville | The Woodville, 1 - 5 Woodville Road, Cathays | 685 yd | |
| North Star Bar & Kitchen | North Star, 131 North Road, Mynachdy | 704 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Khan's Fish Bar | 93 Cathays Terrace, Cathays | 518 yd | |
| chickenlads | 93 Cathays Terrace, Cathays | 518 yd | |
| Crust Pizza & Grill | 129A North Road, Mynachdy | 673 yd | |
| Pizza Rapido Ltd | 140 Crwys Road, Cathays | 724 yd | |
| Cheeseteak Company | 132 Crwys Road, Cathays | 733 yd |
| Business Name | Address | Food hygiene rating | Distance |
|---|---|---|---|
| Lidl | Lidl Foodstore Maindy Road, Cathays | 350 yd | |
| Tesco | 188 Cathays Terrace, Cathays | 633 yd | |
| Tesco | Tesco Express, Parkfield House North Road, Mynachdy | 767 yd | |
| Sainsbury's | 127 Woodville Road, Cathays | 887 yd | |
| The Co-op Food | Unit 2, Students Union Senghennydd Road, Cathays | 1,017 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 | 74.3 Mbit/s |
| Average download speed | 135.4 Mbit/s |
| Minimum download speed | 1000 Mbit/s |
| Maximum download speed | 1000 Mbit/s |
| Median upload speed | 20 Mbit/s |
| Average upload speed | 24.4 Mbit/s |
| Maximum upload speed | 115 Mbit/s |
Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.