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Postcode insights

CF23 9AS

Melrose Avenue

Penylan

Interactive map showing CF23 9AS and surrounding area

Detailed insights for CF23 9AS

Overview

Postcode CF23 9AS is located in an urban city, within the Penylan ward of Cardiff in the Wales region, and forms part of the Pen-y-lan South area. It has very low deprivation and moderate crime levels, with around 35.2 crimes per 1,000 residents per year. The average income per household in Pen-y-lan South is £57,354 per year. The nearest station is Cathays located about 1.2 miles away. There are no primary and no secondary schools in the area. There are 5 parks nearby, closest medium park is The Harlequins.

Crime rate
3/10
Crimes per 1k residents
35
Deprivation level
2/10
Income level
10/10
Social housing
0.7%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

2/10

Pen-y-lan South has a very low level of deprivation, ranked at position 1,699 out of 32,844 areas in the United Kingdom — placing it within the top 5% most deprived areas in Wales.

Crime level

3/10

Pen-y-lan South has a low crime rate, with approximately 35.2 reported incidents per 1,000 population each year.

Social housing

0.7%

Approximately 0.7% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 10.1% of dwellings are socially rented.

Income level

10/10

The average income per household in Pen-y-lan South is £57,354 per year.

Noise Level

No noise

No significant noise sources from railways or roads near CF23 9AS.

Transport

The nearest station is Cathays located about 1.2 miles away. There are no other stations nearby.

Parks

Nearby parks and green spaces for CF23 9AS
DistanceNameSizeDirections
0.4 miThe HarlequinsMediumWalking directions to The Harlequins
0.2 miRoath Mill GardensMediumWalking directions to Roath Mill Gardens
0.2 miThe SandiesSmallWalking directions to The Sandies

Area Profile

Population
361
Population density
9,425.6 per km²

Crime

Crime per 1,000 population

Vehicle crime
12.5(+298%)
Violence and sexual offences
8.59(-77%)
Criminal damage and arson
7.03(-13%)
Anti-social behaviour
5.47(-62%)
Public order
2.34(-74%)
Wales average

Demographics

Ethnic groups

British
295
81.49%
Other White
25
6.91%
Other Mixed or Multiple ethnic groups
8
2.21%
Bangladeshi
5
1.38%
Pakistani
5
1.38%
Total population: 362

Economics

Education (age 16+)

Level 4+ (Degree)
188
66.43%
Level 3 (A level)
32
11.31%
Level 2 (GCSEs 9-4)
26
9.19%
No qualifications
19
6.71%
Apprenticeship
10
3.53%
Total 16+ residents: 283

Housing

Housing tenure

Owns outright
65
46.76%
Owns with a mortgage
61
43.88%
Private landlord or letting agency
8
5.76%
Other forms of private rent
4
2.88%
Social rents from council
1
0.72%
Total households: 139

Property prices in Penylan

Based on 123 recent sales, the median property price is £400,000 in Penylan area, with individual transactions ranging from £81,005 up to £875,000.

Price distribution per property type (last year)

Price distribution by property type for Penylan in the last year.

Median sale price and percentiles per property type (last year)

Median sale price, sales count, and percentile information for each property type in Penylan over the last year.
TypeSalesMedian
Detached13£580,000
Flats38£199,000
Semi-Detached34£445,000
Terraced38£452,500

10 year median price trend in Penylan

Ten year median sale price trend for each property type in Penylan.

Schools

In the CF23 9AS postcode area, located within Pen-y-lan South, there are 0 primary and 0 secondary schools in close proximity.

Nearby primary and secondary schools for CF23 9AS
DistancePhaseNameTypeRating
0.3 miNot applicableMarlborough PrimaryWelsh establishment

N/A

0.3 miNot applicableHowardian Primary SchoolWelsh establishment

N/A

0.5 miNot applicableYsgol Gyfun Gymraeg Bro EdernWelsh establishment

N/A

Local amenities

7 nearby supermarkets & convenience stores within mi of CF23 9AS

Nearby supermarkets & convenience stores for CF23 9AS
DistanceNameAddressDirections
0.2 miWaterloo Gardens Food StoreDeri Road, Cardiff, CF23 5AAWalking directions to Waterloo Gardens Food Store
0.3 miSainsbury'sColchester Avenue, Cardiff, CF23 9ANWalking directions to Sainsbury's
0.4 miSainsbury's LocalColchester Avenue, Cardiff, CF23 9FHWalking directions to Sainsbury's Local
0.5 miTesco Express29-33 Wellfield Road, Cardiff, CF24 3NZWalking directions to Tesco Express
0.5 miCOOK Cardiff18 Wellfield Road, Cardiff, CF24 3PBWalking directions to COOK Cardiff

Geographic Information

RegionWalesUKL
DistrictCardiffW06000015
Parliamentary ConstituencyCardiff EastW07000089
WardPenylanW05001288
ParishPenylanW04000860
MSOA (Middle Layer Super Output Area)Pen-y-lan SouthW02000395
LSOA (Lower Layer Super Output Area)Cardiff 029BW01001823
Police ForceSouth Wales
Postcode Introduced1999-06-01

Nearby Postcodes

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/01/2026.