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Pentyrch and St Fagans
vs Whitchurch and Tongwynlais

Whitchurch and Tongwynlais has the younger population: 15% of residents are aged 15–29, against 15% in Pentyrch and St Fagans. Homes in Whitchurch and Tongwynlais sold for a median of £347,500, in line with Pentyrch and St Fagans. Pentyrch and St Fagans has more green space nearby (48% within 500 m, against 20%).

Map of Cardiff with Pentyrch and St Fagans highlighted
250 postcodes
Map of Cardiff with Whitchurch and Tongwynlais highlighted
396 postcodes
Map of Cardiff
city average

People

Pentyrch and St Fagans has 9,529 residents in 3,944 households; Whitchurch and Tongwynlais has 15,807 in 6,842. The share of residents aged 65 and over is about the same in both (22% and 23%). Whitchurch and Tongwynlais has the higher share of people living alone: 32%, 9.8 percentage points more than Pentyrch and St Fagans (Cardiff: 32%).

9,529Residents (2021)
15,807Residents (2021)
362,308Residents (2021)
3,944Households
6,842Households
147,333Households
14.7%Aged 15–29
14.7%Aged 15–29
25.8%Aged 15–29
22.4%Aged 65 and over
22.5%Aged 65 and over
14.5%Aged 65 and over
22.4%Living alone
32.2%Living alone
32.2%Living alone

Homes and prices

The most common type of home is detached houses in Pentyrch and St Fagans (58%) and semi-detached houses in Whitchurch and Tongwynlais (46%). Pentyrch and St Fagans has the higher share of owner-occupied homes: 83%, 6.9 percentage points more than Whitchurch and Tongwynlais (Cardiff: 58%). Whitchurch and Tongwynlais has the higher share of private renting: 12%, 2.4 percentage points more than Pentyrch and St Fagans (Cardiff: 24%). Over two years, homes sold for a median of £345,497 in Pentyrch and St Fagans and £347,500 in Whitchurch and Tongwynlais, against £270,000 across Cardiff.

£345,497Median sale price
£347,500Median sale price
£270,000Median sale price
83.1%Owner-occupied
76.2%Owner-occupied
58.0%Owner-occupied
9.2%Private renting
11.6%Private renting
24.3%Private renting
7.4%Social renting
11.8%Social renting
17.2%Social renting
58.4%Detached houses
16.8%Detached houses
14.1%Detached houses
21.6%Semi-detached houses
45.9%Semi-detached houses
29.7%Semi-detached houses
13.9%Terraced houses
16.6%Terraced houses
29.6%Terraced houses
5.0%Flats
18.5%Flats
20.2%Flats

Surroundings

Pentyrch and St Fagans has the higher share of land within 500 m that is green space: 48%, 28.1 percentage points more than Whitchurch and Tongwynlais (Cardiff: 19%). A typical postcode has 21 everyday shops and services within a 15-minute walk in Pentyrch and St Fagans, and 140 in Whitchurch and Tongwynlais. The typical postcode is 559 m from the nearest school in Pentyrch and St Fagans and 376 m in Whitchurch and Tongwynlais. The typical postcode is 2,687 m from the nearest tram stop or railway station in Pentyrch and St Fagans and 679 m in Whitchurch and Tongwynlais. Gigabit-capable broadband reaches 39% of premises in Pentyrch and St Fagans and 94% in Whitchurch and Tongwynlais.

48.4%Green space within 500 m
20.3%Green space within 500 m
18.6%Green space within 500 m
21Services within 15 min (median)
140Services within 15 min (median)
114Services within 15 min (median)
559 mNearest school (median)
376 mNearest school (median)
–Nearest school (median)
2.7 kmNearest tram or rail (median)
679 mNearest tram or rail (median)
–Nearest tram or rail (median)
39.1%Gigabit broadband (premises)
94.0%Gigabit broadband (premises)
94.1%Gigabit broadband (premises)

Safety

Over 12 months, police recorded 54 crimes and incidents per 1,000 residents in Pentyrch and St Fagans and 74 in Whitchurch and Tongwynlais, against 118 across Cardiff. Police.uk records crimes by approximate location, not by where victims or offenders live. Busy streets, shops, stations and nightlife record more. Figures are counts, not a measure of personal risk.

54Recorded crime per 1,000 residents
74Recorded crime per 1,000 residents
118Recorded crime per 1,000 residents

Sources: Census 2021 (ONS) · HM Land Registry Price Paid Data · official school registers · © OpenStreetMap contributors · Environment Agency · data.police.uk, 12 months to Aug 2026 · Ofcom Connected Nations

In brief.

Each ward in a few lines, from its own page.

Pentyrch and St Fagans

Pentyrch and St Fagans is one of 28 wards in Cardiff, home to 9,529 people in 3,944 households (Census 2021). Homes sold for a median of £345,497 over the past two years, 28% above the Cardiff median. On average 48% of the land within 500 metres of a home postcode is green space — 160% above the Cardiff average.

Whitchurch and Tongwynlais

Whitchurch and Tongwynlais is one of 28 wards in Cardiff, home to 15,807 people in 6,842 households (Census 2021). Homes sold for a median of £347,500 over the past two years, 29% above the Cardiff median. On average 20% of the land within 500 metres of a home postcode is green space — 9% above the Cardiff average.

More comparisons.

Pentyrch and St Fagans and Whitchurch and Tongwynlais next to other wards of Cardiff.