CF45 4BB is an accessible, working-class neighbourhood on Allen Street, 0.1km from Caegarw in Mountain Ash. Administratively it sits within Mountain Ash ward and the Cynon Valley constituency.
For families considering a move, CF45 4BB represents a family-oriented neighbourhood with a mix of housing types. Outside of residential hours, industrial activities connected with mining and quarrying. At 39 years average, expect a well-rounded neighbourhood — a blend of established families, working professionals, and longer-term owner-occupiers. 76% of properties are owner-occupied — a strong indicator of neighbourhood stability and long-term community investment.
Safety: Crime rates are low here at 49 incidents per 1,000 residents — well below average and reassuring for families. Property: With prices averaging £111k, this is one of the more affordable postcodes in the area, down 26.1% year-on-year. 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 CF45 4BB are sourced from Output Area W00006339 (shared with 7 postcodes in this micro-neighbourhood). Property prices come from HM Land Registry.
ALLEN STREET, CF45 4BB House Prices & Local Information
Comprehensive demographic deep-dive and infrastructure audit for ALLEN STREET, CF45 4BB.
343
39
£ 33,300 /yr
48%
Neighbourhood Index
infoHow calculated?Score 1–10 — how this postcode ranks nationally (10 = top 10%)
Index Insight: CF45 4BB falls into the lower 30% nationally for affluence, pointing to a more accessible but economically challenged demographic.
Area Character
Balanced, accessible, and mixed. CF45 4BB spans multiple life stages — average age 39, moderate ownership and renting. Low crime and mid-range prices make this a solid all-round choice. Property prices are trending down 26.1% year-on-year.
mapGeographic Location
Demographic Deep-Dive
The Census 2021 data below shows the full population breakdown for CF45 4BB. The average age is 39.0. Figures are sourced from the Office for National Statistics and cover ethnicity, age, religion, education, occupation, housing tenure, and more.
Ethnicity Profile
Economic Activity
Age & Housing: A settled, mid-life demographic of homeowners. The population consists largely of established adults and families who own their properties.
home Property Prices by Type
Terraced
£ 87,500
8 sales · Mean £ 107,750
Semi-Detached
£ 136,000
12 sales · Mean £ 127,520
gavel Crime Overview 12 Months (up to 2026-02)
CF45 4BB has low crime rates — 49 incidents per 1,000 residents. The most reported categories are violence and sexual offences and public order. Commercial streets and transport hubs naturally generate more incidents than quiet residential roads.
storefront Nearby Amenities
Retailers - Other
30 nearby- Carly's Kitchen0.5 km
- Central Foods0.4 km
- Chris Selwyn Family Butcher0.5 km
- Claire's Creative Corner0.5 km
- Greggs0.4 km
- + 25 more
Pub, NightClub
24 nearby- Clwb Gweithwyr Aberpennar0.5 km
- Clwb Rygbi Aberpennar0.4 km
- Gwesty Aberdâr0.3 km
- The Jeffrey Arms0.2 km
- Mountain Ash Workingmens Club0.5 km
- + 19 more
Restaurant, Cafe
12 nearby- Providence Baptist Church0.4 km
- Sugar Rush0.4 km
- Cynon Valley Indoor Bowls0.2 km
- Stardust0.4 km
- Sugar Rush0.4 km
- + 7 more
Takeaway Shop
22 nearby- Pinos Cafe and Fish Bar0.9 km
- Scoffers0.2 km
- Delicious Chicken0.4 km
- Tasty Kebab0.5 km
- Bara Street Food0.9 km
- + 17 more
Supermarkets
2 nearby- Iceland0.5 km
- Iceland Frozen Foods Plc0.5 km
train Transport Links
Train Stations
- Mountain Ash0.3 km
- Fernhill1.2 km
- Penrhiwceiber1.8 km
Bus Stops
- Cae Garw Primary School0.1 km
- Cae Garw Primary School0.2 km
- Lady Aberdare Flats0.2 km
- Lady Aberdare Flats0.2 km
- Mountain Ash Town Hall0.3 km
Generated by PostcodeInfo.uk
Postcode Profile: CF454BB · Data under Open Government Licence