CF3 4DX is an accessible, working-class neighbourhood on Llanrumney Avenue, 0.5km from Llanrumney in Cardiff. Administratively it sits within Llanrumney ward and the Cardiff South and Penarth constituency.
An affordable area with active regeneration, CF3 4DX is a striving suburban area — non-UK born households working to get ahead. A balanced community with an average age of 41 — families, professionals, and long-term residents all well represented. 37% of homes are socially rented, reflecting the area's public housing provision and council presence.
Safety: Crime rates are low here at 47 incidents per 1,000 residents — well below average and reassuring for families. Property: Average house prices are around £205k. The Index of Multiple Deprivation places this area in the most deprived 20% nationally — this often means more affordable prices and active local authority investment, but also fewer amenities and higher benefit dependency.
Census 2021 statistics for CF3 4DX are sourced from Output Area W00009308 (shared with 12 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.
LLANRUMNEY AVENUE, CF3 4DX House Prices & Local Information
Comprehensive demographic deep-dive and infrastructure audit for LLANRUMNEY AVENUE, CF3 4DX.
251
41
£ 36,200 /yr
44%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Index Insight: CF3 4DX falls into the lower 30% nationally for affluence, pointing to a more accessible but economically challenged demographic. Employment metrics are below the national average, which typically reflects either economic deprivation or a highly retired population.
Area Character
Social renting makes up 37% of tenure in CF3 4DX — a meaningful indicator of a community with strong public housing infrastructure. Low crime and a young population give this estate more upside than first impressions suggest.
mapGeographic Location
Demographic Deep-Dive
The Census 2021 data below shows the full population breakdown for CF3 4DX. The average age is 40.6. Figures are sourced from the Office for National Statistics and cover ethnicity, age, religion, education, occupation, housing tenure, and more.
Ethnicity Profile
Economic Activity
Area Vibe: Active but flexible. The area is largely populated by a middle-aged demographic that favors the flexibility of the rental market.
home Property Prices by Type
Terraced
£ 165,000
3 sales · Mean £ 175,666
gavel Crime Overview 12 Months (up to 2026-02)
CF3 4DX has low crime rates — 47 incidents per 1,000 residents. The most reported categories are violence and sexual offences and shoplifting. Commercial streets and transport hubs naturally generate more incidents than quiet residential roads.
storefront Nearby Amenities
Retailers - Other
24 nearby- Llanrumney Hall Pantry0.7 km
- Mini Mart Store0.5 km
- One Stop0.5 km
- Rumney Off Licence0.9 km
- Lifestyle Express0.7 km
- + 19 more
Pub, NightClub
6 nearby- Cross Inn0.9 km
- Earlswood Social Club0.8 km
- Cross Inn0.9 km
- Earlswood Social Club0.8 km
- Monkstone Inn0.4 km
- + 1 more
Restaurant, Cafe
14 nearby- Caf30.5 km
- Eastern Leisure Centre0.9 km
- pizza hut0.5 km
- Roscoes Newport Road1.0 km
- Thackeray at the Hall0.7 km
- + 9 more
Supermarkets
4 nearby- Heron Foods0.5 km
- Iceland Foods Ltd0.4 km
- Heron Foods0.5 km
- Iceland Foods Ltd0.4 km
Takeaway Shop
18 nearby- Greggs0.6 km
- New Taj0.5 km
- Pizza Choice0.5 km
- Red Dragon0.5 km
- Speroni Fish Bar0.6 km
- + 13 more
train Transport Links
Train Stations
- Heath High Level4.0 km
- Heath Low Level4.1 km
- Llanishen4.4 km
Bus Stops
- Cheddar Crescent0.0 km
- Bideford Road0.0 km
- Rumney High School0.2 km
- Taunton Crescent0.2 km
- Rumney High School0.3 km
Generated by PostcodeInfo.uk
Postcode Profile: CF34DX · Data under Open Government Licence