Blackweir on the map

Location in CardiffBlackweir sits where the marker shows within the county.

17,647
Population
7,169
Households
12
Schools nearby
£50,914
Avg. household income
1,620
Businesses
2,755
People per km²
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About Blackweir

Blackweir is a residential area located in the city of Cardiff, within the county of Cardiff and the country of Wales. It lies within the CF10 postcode area, situated to the west of the city centre. The area is known for its mix of housing types, including both older terraced homes and more modern developments, reflecting its evolution over the years. Blackweir is close to the River Taff, offering residents access to riverside paths and green spaces. The locality benefits from good transport links, with regular bus services connecting it to central Cardiff and nearby districts. There are several local amenities, including shops, schools, and community centres, making it a convenient place to live. The area has a strong sense of community, with local events and activities often taking place in the surrounding parks and public spaces.

School Ratings in Blackweir

Families in Blackweir have access to 157 local schools.

House Prices in Blackweir

Homes sell for an average of £467K locally. Most of the housing is made up of flats, averaging £175K.

Crime and Anti-Social Behaviour in Blackweir

Crime in the area is higher than the national average. Shoplifting is the leading concern across Blackweir, with 301 incidents recorded in April 2026.

Healthcare in Blackweir

There are 53 GP surgeries within three miles of Blackweir, the nearest being Cathays Surgery (0.4 miles away).

Property Prices 3,223 sales

Average Price £467K
£5K , £54.6M
Detached £428K 20
Semi £312K 53
Terraced £278K 252
Flat £175K 2,597

Household Income in Blackweir ONS 2023

The average total household income in Blackweir is approximately £50,914 a year before tax, 8% below the national average of £55,302. After tax and benefits, the average disposable (net) household income is around £36,105. These are modelled estimates from the Office for National Statistics for the financial year ending 2023.

Blackweir £50,914
England & Wales avg. £55,302

Net (after tax) household income averages £36,105.

Businesses in Blackweir ONS 2025

There are approximately 1,620 active businesses based in Blackweir, around 92 for every 1,000 residents. The local economy is dominated by small firms: about 79% are micro-businesses employing fewer than 10 people, while 87 are larger employers with 50 or more staff. Figures are from the Office for National Statistics UK Business Counts.

1,620 Total businesses
92 Per 1,000 residents
Micro, 0-9 79%
Small, 10-49 15%
Medium, 50-249 4%
Large, 250+ 2%

Crime in Blackweir 1,825 crimes · April 2026

High Crime Area

Crime figures for Blackweir are higher than the England and Wales average, with violence & sexual offences the most prevalent offence recorded. Urban density and footfall contribute to elevated reporting in areas like this. Ongoing investment in policing and community safety programmes aims to improve the picture.

Violence & Sexual Offences 509
Shoplifting 301
Anti-Social Behaviour 217
Vehicle Crime 168
Public Order 163
Criminal Damage & Arson 131
Other Theft 99
Drugs 51
Bicycle Theft 47
Burglary 37
Other Crime 35
Robbery 24
Theft from Person 24
Weapons 19
Local Policing
Data from data.police.uk · Contains public sector information licensed under the Open Government Licence v3.0
Crime figures depend on reporting by individual police forces and may not reflect the full picture in all areas.

Nearest Train Stations 6 stations

Ninian Park Train Station 1.1 miles
Cardiff Queen Street Train Station 1.6 miles
Grangetown (Cardiff) Train Station 1.6 miles
Heath Low Level Train Station 1.6 miles
Heath High Level Train Station 1.6 miles
Cardiff Bay Train Station 1.9 miles

Location

Local Government

District Cardiff
Ward Cathays
Constituency Cardiff Central
Parish Castle

Home Ownership in Blackweir

Of the 7,206 households in and around Blackweir, 30% are owned, 17% are socially rented and 54% are privately rented. Home ownership here is lower than the England and Wales average of 63%.

Owned 30% Social rented 17% Private rented 54%

Tenure from the 2021 Census (ONS), for the postcode districts covering Blackweir.

Frequently Asked Questions about Blackweir

What is the population of Blackweir?
Blackweir has a population of approximately 17,647 residents, based on the latest census figures for the surrounding postcode area.
What is the average house price in Blackweir?
The average property in and around Blackweir sold for about £466,900, based on HM Land Registry Price Paid records. That is around 34% above the England and Wales average of £349,091.
What postcodes cover Blackweir?
Blackweir is covered by the CF10 postcode district.
How many schools are there in Blackweir?
There are 12 schools within easy reach of Blackweir, spanning primary, secondary and other phases.
Where is the nearest train station to Blackweir?
The nearest railway station to Blackweir is Ninian Park Train Station, about 1.1 miles away.