Postcode insights

CF3 6YG

Mortimer Avenue

Pontprennau and Old St Mellons

Interactive map showing CF3 6YG and surrounding area

Detailed insights for CF3 6YG

Overview

Postcode CF3 6YG is located in an urban city, within the Pontprennau and Old St Mellons ward of Cardiff in the Wales region, and forms part of the Pontprennau area. It has very low deprivation and high crime levels, with around 93.9 crimes per 1,000 residents per year, in line with the Wales average of 86 per 1,000. The average income per household in Pontprennau is £68,205 per year. The nearest station is Llanishen, about 2.5 miles away. There are no primary and no secondary schools in the area. There are 2 parks nearby, the closest small park is St Ederyn's Park.

Crime rate
8/10
Crimes per 1k residents
94
Deprivation level
2/10
Income level
10/10
Social housing
10.2%
Connectivity
N/A
Flood Risk
N/A
Noise Level
No noise

Deprivation level

2/10

Pontprennau has a very low level of deprivation, ranked at position 1,700 out of 32,844 areas in the United Kingdom, placing it within the top 5% most deprived areas in Wales.

Crime level

8/10

Pontprennau has a high crime rate, with approximately 93.9 reported incidents per 1,000 population each year.

Social housing

10.2%

Approximately 10.2% of homes on this street are social housing provided by a local council or housing association. Across the surrounding area, around 7.2% of dwellings are socially rented.

Income level

10/10

The average income per household in Pontprennau is £68,205 per year.

Noise Level

No noise

No significant noise sources from railways or roads near CF3 6YG.

Transport

The nearest station is Llanishen located about 2.5 miles away. There are no other stations nearby.

Parks

Nearby parks and green spaces for CF3 6YG
DistanceNameSizeDirections
0.1 miSt Ederyn's ParkSmallWalking directions to St Ederyn's Park
0.4 miHighfields ParkSmallWalking directions to Highfields Park

Area Profile

Population
260
Population density
887.1 per km²

Crime

Crime per 1,000 population

Violence and sexual offences
41.63(+23%)
Public order
14.69(+79%)
Anti-social behaviour
13.06(0%)
Shoplifting
10.61(+65%)
Other theft
9.8(+114%)
Wales average

Demographics

Ethnic groups

British
214
81.37%
Other White
11
4.18%
Other Asian
6
2.28%
Pakistani
5
1.9%
Arab
5
1.9%
Total population: 263

Economics

Education (age 16+)

Level 4+ (Degree)
135
60.27%
Level 3 (A level)
33
14.73%
Level 2 (GCSEs 9-4)
17
7.59%
No qualifications
14
6.25%
Level 1 (GCSEs 3-1)
12
5.36%
Total 16+ residents: 224

Housing

Housing tenure

Owns with a mortgage
109
79.56%
Other social rented
11
8.03%
Owns outright
7
5.11%
Private landlord or letting agency
5
3.65%
Social rents from council
3
2.19%
Total households: 137

Property prices in Pontprennau and Old St Mellons

Median price£298,500
Price per sq ft£345
Sales (last 12 months)211
Typical range (middle 50%)£241K – £358K

Based on 211 recent sales, the median property price is £298,500 (about £345 per square foot) in Pontprennau and Old St Mellons area, with individual transactions ranging from £125,000 up to £1,340,000.

Prices by property typelast 12 months

Median sale price, median price per square foot, sales count, and percentile information for each property type in Pontprennau and Old St Mellons over the last year.
TypeSalesMedian£/sq ft
Detached68£400,005£351
Semi-Detached57£289,000£374
Terraced69£250,000£337
Flats17£170,000£287

10-year price trendmedian sale price in Pontprennau and Old St Mellons

Sale price

Ten year median sale price trend for each property type in Pontprennau and Old St Mellons.
YearDetachedFlatsSemi-DetachedTerraced
2016£284,995£125,000£181,750£187,998
2017£305,000£130,000£224,995£182,750
2018£320,000£120,000£224,995£179,995
2019£309,498£127,498£219,995£184,995
2020£330,000£137,995£224,995£193,998
2021£336,000£137,000£239,995£220,000
2022£379,973£163,418£271,000£234,998
2023£363,000£165,000£280,000£244,995
2024£370,000£165,000£285,000£250,000
2025£415,000£172,500£289,950£248,498
2026£372,500£167,000£289,500£242,000
Ten year median sale price trend for each property type in Pontprennau and Old St Mellons.

Price per sq ft

Ten year median sale price per square foot trend for each property type in Pontprennau and Old St Mellons.
YearDetachedFlatsSemi-DetachedTerraced
2016£255£199£249£277
2017£271£198£238£283
2018£261£213£263£282
2019£272£223£281£280
2020£270£239£239£288
2021£292£236£299£302
2022£341£294£336£363
2023£344£283£350£353
2024£347£244£334£350
2025£347£284£361£342
2026£359£287£377£352
Ten year median sale price per square foot trend for each property type in Pontprennau and Old St Mellons.

Price distribution by property typelast 12 months

Price distribution by property type for Pontprennau and Old St Mellons in the last year.

Recent sales

There were 50+ recent sold properties in the last 18 months near CF3 6YG.

Recent sold properties in the last 18 months near CF3 6YG
DateAddressTypeTenurePriceMap
27 Mar 2026185, Mortimer Avenue, Cardiff, CF3 6YGSemi-DetachedFreehold£299,000
16 Jan 2026139, Mortimer Avenue, Cardiff, CF3 6YGSemi-DetachedFreehold£255,000
26 Sept 2025117, Mortimer Avenue, Cardiff, CF3 6YGTerracedFreehold£287,500
24 Jul 2025179, Mortimer Avenue, Cardiff, CF3 6YGSemi-DetachedFreehold£290,000
18 Jul 2025193, Mortimer Avenue, Cardiff, CF3 6YGSemi-DetachedFreehold£285,000

Schools

In the CF3 6YG postcode area, located within Pontprennau, there are 0 primary and 0 secondary schools in close proximity.

Nearby primary and secondary schools for CF3 6YG
DistancePhaseNameTypeRating
0.7 miNot applicablePontprennau Primary SchoolWelsh establishment

N/A

0.7 miNot applicableSt Cadoc's Primary SchoolWelsh establishment

N/A

0.8 miNot applicableGlan-Yr-Afon PrimaryWelsh establishment

N/A

Local amenities

2 nearby supermarkets & convenience stores within mi of CF3 6YG

Nearby supermarkets & convenience stores for CF3 6YG
DistanceNameAddressDirections
0.2 miAsda8 Dering Road, Pontprennau, Cardiff, CF23 8NLWalking directions to Asda
0.3 miWaitroseBeck Court, Cardiff, CF23 8RAWalking directions to Waitrose

Local councillor and member of parliament

Elected local representatives for CF3 6YG, including ward councillors and the local member of parliament.

Local councillors

Joel Williams

Pontprennau and Old St Mellons - Elected 5 May 2022

Conservative

Peter Littlechild

Pontprennau and Old St Mellons - Elected 5 May 2022

Conservative

Member of parliament

Anna McMorrin

Cardiff North - Elected 4 Jul 2024

Labour Party

Geographic Information

RegionWalesUKL
DistrictCardiffW06000015
Parliamentary ConstituencyCardiff NorthW07000090
ParishOld St. MellonsW04000888
MSOA (Middle Layer Super Output Area)PontprennauW02000369
LSOA (Lower Layer Super Output Area)Cardiff 003EW01002016
Police ForceSouth Wales
Postcode Introduced2018-05-01

Frequently asked questions about CF3 6YG

Is CF3 6YG (Pontprennau) safe?

The area around CF3 6YG records about 94 crimes per 1,000 residents per year, which is a high crime rate for England: it scores 8 out of 10 on the Area360 crime scale, where 10 is the highest crime level. Across Wales as a whole the rate is about 86 per 1,000. The most common offences locally are violence and sexual offences, anti-social behaviour and public order.

What is the average house price near CF3 6YG?

The median sale price around CF3 6YG in Pontprennau is £298,500 (about £345 per square foot) based on 211 registered sales according to HM Land Registry data.

What schools are near CF3 6YG?

There are 4 schools close to CF3 6YG, including Pontprennau Primary School, St Cadoc's Primary School and Glan-Yr-Afon Primary. Ratings are from the latest Ofsted inspections.

How deprived is the area around CF3 6YG?

CF3 6YG scores 2 out of 10 on the deprivation scale, where 10 is the most deprived. Its neighbourhood ranks 1,700 of 32,844 in England on the official Index of Multiple Deprivation (rank 1 is the most deprived).

Who represents CF3 6YG (Pontprennau) in Parliament and on the local council?

The Member of Parliament for Cardiff North covering CF3 6YG is Anna McMorrin (Labour Party), elected at the 2024 general election. The area is represented by 2 local councillors: Joel Williams (Conservative and Unionist Party) and Peter Littlechild (Conservative and Unionist Party).

Nearby Postcodes

Data Sources

All data is sourced from official UK government agencies and public datasets. Last updated: 16/07/2026. Read more about how our statistics are calculated.