Llandennis Avenue, Cardiff, CF23 6JH

People

Gender

In the UK, the overall gender distribution is approximately 49% male and 51% female. The local area around CF23 6JH is generally consistent with those figures, having a male population of 49.6%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Female	48.4%	50.4%	2.0%	51.0%	-0.6%
Male	51.6%	49.6%	-2.0%	49.0%	0.6%

Partnership Status

Across the UK, the average relationship status breakdown is roughly 44% married, 38% single, 9% divorced, 6% widowed, and 2% separated.

In the immediate vicinity of CF23 6JH there is a very large concentration of residents that are married - 70.2% of the resident population. In contrast, the average marriage rate across the census is about 44%.

Areas with a high percentage of married residents are typically suburban neighborhoods, towns with good schools and family-friendly amenities, and regions with affordable, spacious housing options. Additionally, such areas can be popular among retirees.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Single	20.2%	18.1%	-2.1%	37.9%	-19.8%
Married: Opposite sex	67.8%	70.2%	2.4%	44.2%	26.0%
Separated	0.8%	0.4%	-0.4%	2.2%	-1.8%
Divorced	5.4%	7.2%	1.8%	9.1%	-1.9%
Widowed	5.8%	4.2%	-1.6%	6.1%	-1.9%

Health

Across the UK, the average 48.4% rated their health as Very Good, 33.6% as Good, 12.7% as Fair, 4% as Bad, and 1.2% as Very Bad.

Population age significantly impacts residents' health. Additionally, socioeconomic status plays a crucial role: higher income levels and lower poverty rates are linked to better health outcomes. Affluent areas benefit from higher living standards, access to private healthcare, and healthier lifestyle choices.

This area has a high percentage of residents reporting their health as Good or Very Good (85.4%) compared to the average (82%). This typically indicates either a younger population or more affluent area.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Very good health	49.7%	54.9%	5.2%	48.4%	6.5%
Good health	32.8%	30.5%	-2.3%	33.6%	-3.1%
Fair health	15.3%	12.8%	-2.5%	12.7%	0.1%
Bad health	2.3%	1.7%	-0.6%	4.0%	-2.3%

Education and Qualifications

During the 2021 census, the educational qualifications of residents across the UK were as follows: 18.2% had no qualifications, 9.6% had 1-4 GCSEs, 13.4% had 5 or more GCSEs and 1-2 A/AS Levels, 16.9% had 2 or more A Levels, 33.8% held a degree (or equivalent), and 5.4% had completed an apprenticeship.

In the area around CF23 6JH this area, 7.5% of residents have no qualifications. This is significantly lower than the UK average of 18.2%. This area stands out for its high percentage of residents with higher education degree or similar. The UK average is 33.8%, while in this area it is 57.7%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
No qualifications	9.7%	7.5%	-2.2%	18.2%	-10.7%
1-4 GCSEs or Equivalent	6.6%	7.5%	0.9%	9.6%	-2.1%
5 or more GCSEs, an A-Level or 1-2 AS Levels	12.8%	10.6%	-2.2%	13.4%	-2.8%
Apprenticeship	1.2%	1.5%	0.3%	5.3%	-3.8%
HNC, HND or 2+ A Levels	13.2%	12.8%	-0.4%	16.9%	-4.1%
Degree or Similar	50%	57.7%	7.7%	33.8%	23.9%
Other	6.6%	2.3%	-4.3%	2.8%	-0.5%

Culture

Ethnic Group

In this area, the population is more ethnically diverse compared to the UK average. While 74.2% of the residents identify as white, which is lower than the UK average of 81.4%, there are significant representations of other ethnic groups.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Bangladeshi	0%	2.1%	2.1%	1.1%	1.0%
Chinese	1.6%	1.8%	0.2%	0.7%	1.1%
Indian	3.2%	3.2%	0.0%	3.1%	0.1%
Pakistani	3.6%	7.3%	3.7%	2.7%	4.6%
Other Asian	0.3%	3.8%	3.5%	1.6%	2.2%
Mixed White and Asian	1.6%	1.5%	-0.1%	0.8%	0.7%
Mixed White and African	1%	0.6%	-0.4%	0.4%	0.2%
Mixed Other	0.6%	1.2%	0.6%	0.8%	0.4%
White	86.4%	74.2%	-12.2%	81.4%	-7.2%
Arab	1.3%	3.5%	2.2%	0.6%	2.9%
Other	0.3%	0.9%	0.6%	1.6%	-0.7%

Country of Birth

In this area, 83.4% of the population were born in the United Kingdom, which is similar to the UK average of 83.2%.

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
United Kingdom	87%	83.4%	-3.6%	83.2%	0.2%
European Union	2.3%	2.3%	0.0%	6.1%	-3.8%
Rest of Europe	0.6%	1.7%	1.1%	0.8%	0.9%
Africa	3.2%	1.7%	-1.5%	2.7%	-1.0%
Middle East and Asia	6.8%	10.8%	4.0%	5.6%	5.2%

Length of Residence

	2011	2021	10y change (pp)	UK Average	postcode vs UK (pp)
Born in the UK	87%	83.9%	-3.1%	83.2%	0.7%
10+ Years	1.3%	12.6%	11.3%	9.8%	2.8%
5-10 Years	1%	2.6%	1.6%	2.9%	-0.3%
2-5 Years	1%	0%	-1.0%	2.2%	-2.2%
Less than 2 years	9.7%	0.9%	-8.8%	1.9%	-1.0%

Passport Held

	2021	UK Average	postcode vs UK (pp)
United Kingdom	91%	76.7%	14.3%
Ireland	0.9%	0.6%	0.3%
Germany	0.3%	0.2%	0.1%
Italy	0.3%	0.6%	-0.3%
Turkey	1.2%	0.1%	1.1%
South and Eastern Africa	0.3%	0.2%	0.1%
Eastern Asia	1.2%	0.3%	0.9%
Southern Asia	0.9%	1.2%	-0.3%
No passport held	4.1%	13.5%	-9.4%

Religion

	2021	UK Average	postcode vs UK (pp)
No religion	29.4%	37.2%	-7.8%
Christian	43.4%	46.2%	-2.8%
Hindu	4.7%	1.7%	3.0%
Muslim	12%	6.5%	5.5%
Other religion	0.3%	0.6%	-0.3%
Not answered	10.2%	6.0%	4.2%

Safety

Is Llandennis Avenue Street dangerous?

Over the last 12 months, the overall crime rate around Llandennis Avenue was 31.8 per 1,000 residents, which is 16.1% lower than the Cyncoed average. The most reported crime type was Public order.

Llandennis Avenue has the 27th lowest crime rate of 68 local areas in Cyncoed and the 279th lowest crime rate of 1,028 local areas in Cardiff .

Violent and sexual offences accounted for around 20.2 crimes per 1,000 residents and have been rising year on year. Over the last decade, overall crime has fallen by about -52.6%.

🔎 See full breakdown of local crime, hotspots & trends

Affluence

Household Income

Households in this area have a higher level of wealth to the average household in England and Wales. 75% of analyzed areas in England and Wales have lower average household annual income than this area.

Average Household Income
£53,100

Income Rank
8/10

Household Income in CF23 6JH, Local Authority and Region

Deprivation

Overall Deprivation Rank - 1/10 (very low )
The Welsh Index of Multiple Deprivation (WIMD) measures how deprived small areas in Wales are compared to each other. WIMD highlights areas with the highest levels of different types of deprivation. Its main goal is to provide information about the most deprived areas in Wales to help make decisions about funding and local services. It considers the following domains:
Income Deprivation Domain - 1/10 (very low )
This domain measures the percentage of people with income below a certain level. It makes up 22% of the overall index.
Employment Deprivation Domain - 1/10 (very low )
This domain measures the lack of employment. It includes people of working age who are unable to work due to poor health or who are unemployed but looking for work. This domain makes up 22% of the overall Index.
Health Deprivation Domain - 1/10 (very low )
This domain measures poor health. It doesn't have any sub-sections. Some indicators are adjusted for age and sex to account for differences in different areas. This domain makes up 15% of the overall index.
Education Deprivation Domain - 1/10 (very low )
This domain measures how much people in an area lack education, training, and skills. It shows the educational disadvantages, like not having qualifications or skills. This domain makes up 14% of the overall index.
Access To Services Deprivation Domain - 1/10 (very low )
This domain measures how deprived a household is if they can't access important services needed for daily life, both in person and online. This includes not being able to get things like food (material deprivation) and not being able to do things like attend after-school activities (social deprivation). Poor access to services can make other types of deprivation worse. This domain counts for 10% of the overall index.
Housing Deprivation Domain - 4/10 (below average )
The housing domain aims to identify poor housing based on physical conditions, living conditions, and availability. "Living conditions" means how suitable the housing is for the people living there, including health, safety, and necessary adjustments. This domain makes up 7% of the overall index.
Community Safety Deprivation Domain - 2/10 (very low )
This domain looks at how safe people feel in their community. It includes actual crime and fire incidents, as well as how safe people feel when they are outside in their neighborhood. This domain makes up 5% of the overall index.
Physical Environment Deprivation Domain - 9/10 (very high )
This domain measures things in the local area that might affect the well-being or quality of life of residents. It makes up 5% of the overall index.

Property Prices

Average property prices on Llandennis Avenue are based on 73 property sales since the beginning of 1995. Estimated property prices are calculated by adjusting the last sale price by current House Price Index for Cardiff.
StreetScan downloads house price data directly from the HM Land Registry and uses it to create these statistics.

House Prices for Llandennis Avenue, Cardiff, CF23 6JH

Estimated Average Property Prices for CF23 6JH

Average Price
£955,884

Semi-Detached
no sales

Terraced
no sales

Detached
£955,884

Flats/Maisonettes
no sales

Other
no sales

Estimated Average Property Prices for Llandennis Avenue

Average Price
£1,021,847

Semi-Detached
£584,981

Terraced
no sales

Detached
£1,402,704

Flats/Maisonettes
no sales

Other
no sales

Property Prices Comparison

Latest Property Sales on Llandennis AvenueStreet

Address	Sale Price	Sale Date	Price Estimate 2025
40 Llandennis Avenue, Cardiff, Cardiff Detached, an established residential building	£900,000	2025-02-14	£909,773
36 Llandennis Avenue, Cardiff, Cardiff Detached, an established residential building	£592,500	2014-07-29	£949,484
28 Llandennis Avenue, Cardiff, Cardiff Detached, an established residential building	£650,000	2013-08-02	£1,133,901
38 Llandennis Avenue, Cardiff, Cardiff Detached, an established residential building	£495,000	2007-01-12	£884,607
40 Llandennis Avenue, Cardiff, Cardiff Detached, an established residential building	£375,000	2001-05-09	£1,280,000

View All Property Sales and Other Statistics for CF23 6JH

Employment

CF23 6JH area has a low unemployment rate. According to Census 2021, 2% residents of this area were unemployed, while the average in the UK was 4.83%. A low level of unemployment in an area indicates a strong job market, where most people who are seeking work can find employment. This generally reflects a healthy economy in the area.

The percentage of retired residents living in CF23 6JH area is much higher than the country's average. According to Census 2011, 33% residents of this area were retired, while the average in the UK was 14%.

Economic Activity

Retired	87
Full-Time Employee	84
Part-Time Employee	26
Self-Employed	25
Looking after home or family	15
Student (economically inactive)	13
Other	5
Unemployed	4
Long-Term Sick or disabled	3
Full-Time Student (with or without job)	2

Employment Industry

Human health and social work activities	19
Education	18
Wholesale and retail trade; repair of motor vehicles and motor cycles	16
Professional, scientific and technical activities	15
Other	12
Construction	11
Public administration and defence; compulsory social security	9
Manufacturing	8
Accommodation and food service activities	6
Financial and insurance activities	5
Information and communication	5
Real estate activities	4
Administrative and support service activities	3
Transport and storage	2
Water supply; sewerage, waste management and remediation activities	2

Schools

Not applicable

	Ofsted Overall Effectiveness	Distance	Establishment Type	Has Nursery Classes	Gender	More Info
Cardiff High School Llandennis Road , Cyncoed CF23 6WG	- not rated	410 yd	Welsh establishment	Not Applicable	Not applicable	More About School
Rhydypenau Primary School Fidlas Avenue , Llanishen CF14 0NX	- not rated	565 yd	Welsh establishment	Not Applicable	Not applicable	More About School
Lakeside Primary School Ontario Way , Lakeside CF23 6HB	- not rated	920 yd	Welsh establishment	Not Applicable	Not applicable	More About School
Springwood Primary School Pennsylvania , Llanedeyrn CF23 9LS	- not rated	1,139 yd	Welsh establishment	Not Applicable	Not applicable	More About School
Coed Glas Primary School Ty Glas Avenue , Llanishen CF14 5DW	- not rated	1,487 yd	Welsh establishment	Not Applicable	Not applicable	More About School

School statistics for this postcode are based on Ofsted rankings.

Food and Drink

Restaurants, Cafes, Canteens

Business Name	Address	Distance
State of Love & Trust	Ground Floor Commercial Unit 5, Amber Vista Clearwater Way, Cyncoed	581 yd
Mamas Indian	58 Clearwater Way, Cyncoed	593 yd
Coffee Plus	16 Rhyd Y Penau Road, Cyncoed	650 yd
Ostuni	312 Heathwood Road, Cyncoed	748 yd
Villaggio lakeside	5 Fidlas Road, Cyncoed	787 yd

Pubs, Bars, Nightclubs

Business Name	Address	Food hygiene rating	Distance
Three Arches	Three Arches Heathwood Road, Cyncoed		898 yd
Cardiff Golf Club	Cardiff Golf Club Sherborne Avenue, Cyncoed		930 yd

Takeaway, Sandwich Shops

Business Name	Address	Food hygiene rating	Distance
Green Door Bakery	378 Cyncoed Road, Cyncoed		789 yd

Supermarkets, Hypermarkets

Business Name	Address	Food hygiene rating	Distance
The Co-operative Group	360 Cyncoed Road, Cyncoed		765 yd

Sport

We haven't found any sport facilities near CF23 6JH postcode.

Broadband

Technology Aviability

Percentage of premises that have Superfast Broadband (30Mbit/s or greater) coverage from fixed broadband	100.0%
Percentage of premises that have Ultrafast Broadband (100Mbit/s or greater) coverage from fixed broadband	75.0%
Percentage of premises that have Ultrafast Broadband (300Mbit/s or greater) coverage from fixed broadband	75.0%
Percentage of premises that have coverage from a Gigabit capable service from fixed broadband	75.0%

Speed Aviability

Percentage of premises unable to receive 2Mbit/s	0.0%
Percentage of premises unable to receive 5Mbit/s	0.0%
Percentage of premises unable to receive 10Mbit/s	0.0%
Percentage of premises unable to receive 30Mbit/s	0.0%

Download Speed

Median download speed	44 Mbit/s
Average download speed	48.6 Mbit/s
Minimum download speed	80 Mbit/s
Maximum download speed	80 Mbit/s

Upload Speed

Median upload speed	8.7 Mbit/s
Average upload speed	12 Mbit/s
Maximum upload speed	20 Mbit/s

Broadband statistics are based on Ofcom's Communications Market Report (CMR) 2022.