CF3 5LJ is an accessible, working-class neighbourhood on Burnham Avenue, 0.7km from Llanrumney in Cardiff. Administratively it sits within Llanrumney ward and the Cardiff South and Penarth constituency.
An affordable area with active regeneration, CF3 5LJ is a striving suburban area — non-UK born households working to get ahead. This is a stable, socially diverse area (average age 37) — accessible for a wide range of households, from young families to empty nesters. 30% of homes are socially rented, reflecting the area's public housing provision and council presence.
Safety: Crime is moderate at 63 incidents per 1,000 residents — broadly typical for this type of urban area. 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 5LJ are sourced from Output Area W00009300 (shared with 27 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.
BURNHAM AVENUE, CF3 5LJ House Prices & Local Information
Comprehensive demographic deep-dive and infrastructure audit for BURNHAM AVENUE, CF3 5LJ.
289
37
£ 36,200 /yr
41%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Index Insight: CF3 5LJ 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
CF3 5LJ is an established family neighbourhood — 58% owner-occupation and an average age of 37 give this postcode the stable, settled character of a community where households put down roots. Moderate crime is broadly expected in an active family area — street-level variation matters.
mapGeographic Location
Demographic Deep-Dive
The Census 2021 data below shows the full population breakdown for CF3 5LJ. The average age is 37.3. 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: Highly settled. The area is largely populated by a middle-aged demographic, providing a stable community feel.
gavel Crime Overview 12 Months (up to 2026-02)
Crime around CF3 5LJ is moderate at 63 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
26 nearby- Seaview Stores Ltd0.8 km
- Spar1.0 km
- St Mellon's Stores0.9 km
- Trowbridge Pantry0.9 km
- Seaview Stores Ltd0.8 km
- + 21 more
Pub, NightClub
6 nearby- The Church Inn0.9 km
- The Church Inn0.9 km
- Ty'r Winch0.9 km
- Ty'r Winch0.9 km
- Monkstone Inn0.9 km
- + 1 more
Restaurant, Cafe
10 nearby- Iriechef jerk hut0.9 km
- Caf30.9 km
- pizza hut0.2 km
- Thackeray at the Hall0.5 km
- Caf30.9 km
- + 5 more
Takeaway Shop
20 nearby- Crispy Cod0.9 km
- Greggs0.2 km
- New Taj0.2 km
- Pizza Choice0.2 km
- Red Dragon0.2 km
- + 15 more
Supermarkets
4 nearby- Heron Foods0.2 km
- Iceland Foods Ltd0.2 km
- Heron Foods0.2 km
- Iceland Foods Ltd0.2 km
train Transport Links
Train Stations
- Heath High Level4.1 km
- Heath Low Level4.2 km
- Llanishen4.3 km
Bus Stops
- St Cadocs Church0.1 km
- Countisbury Avenue0.1 km
- Countisbury Avenue0.1 km
- St Cadocs Church0.2 km
- Countisbury Shops0.2 km
Generated by PostcodeInfo.uk
Postcode Profile: CF35LJ · Data under Open Government Licence