Llandaff
vs Pentyrch and St Fagans
Llandaff has the younger population: 17% of residents are aged 15–29, against 15% in Pentyrch and St Fagans. Homes in Pentyrch and St Fagans sold for a median of £345,497, 5% above Llandaff. Pentyrch and St Fagans has more green space nearby (48% within 500 m, against 19%).
People
Llandaff has 8,775 residents in 3,758 households; Pentyrch and St Fagans has 9,529 in 3,944. Llandaff has the higher share of residents aged 65 and over: 24%, 1.1 percentage points more than Pentyrch and St Fagans (Cardiff: 15%). Llandaff has the higher share of people living alone: 34%, 11.3 percentage points more than Pentyrch and St Fagans (Cardiff: 32%).
Homes and prices
The most common type of home is semi-detached houses in Llandaff (40%) and detached houses in Pentyrch and St Fagans (58%). Pentyrch and St Fagans has the higher share of owner-occupied homes: 83%, 1.4 percentage points more than Llandaff (Cardiff: 58%). Llandaff has the higher share of private renting: 14%, 5.1 percentage points more than Pentyrch and St Fagans (Cardiff: 24%). Over two years, homes sold for a median of £330,000 in Llandaff and £345,497 in Pentyrch and St Fagans, against £270,000 across Cardiff.
Surroundings
Pentyrch and St Fagans has the higher share of land within 500 m that is green space: 48%, 29.3 percentage points more than Llandaff (Cardiff: 19%). A typical postcode has 131 everyday shops and services within a 15-minute walk in Llandaff, and 21 in Pentyrch and St Fagans. The typical postcode is 302 m from the nearest school in Llandaff and 559 m in Pentyrch and St Fagans. The typical postcode is 609 m from the nearest tram stop or railway station in Llandaff and 2,687 m in Pentyrch and St Fagans. Gigabit-capable broadband reaches 92% of premises in Llandaff and 39% in Pentyrch and St Fagans.
Safety
Over 12 months, police recorded 53 crimes and incidents per 1,000 residents in Llandaff and 54 in Pentyrch and St Fagans, 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.
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.
Llandaff is one of 28 wards in Cardiff, home to 8,775 people in 3,758 households (Census 2021). Homes sold for a median of £330,000 over the past two years, 22% above the Cardiff median. On average 19% of the land within 500 metres of a home postcode is green space — in line with the Cardiff average.
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.
More comparisons.
Llandaff and Pentyrch and St Fagans next to other wards of Cardiff.