Cyncoed
vs Pentwyn
Pentwyn has the younger population: 19% of residents are aged 15–29, against 18% in Cyncoed. Homes in Cyncoed sold for a median of £490,000, 133% above Pentwyn. Pentwyn has more green space nearby (29% within 500 m, against 21%).
People
Cyncoed has 11,394 residents in 4,190 households; Pentwyn has 16,197 in 6,516. Cyncoed has the higher share of residents aged 65 and over: 23%, 6.9 percentage points more than Pentwyn (Cardiff: 15%). Pentwyn has the higher share of people living alone: 30%, 4.5 percentage points more than Cyncoed (Cardiff: 32%).
Homes and prices
The most common type of home is semi-detached houses in Cyncoed (42%) and terraced houses in Pentwyn (46%). Cyncoed has the higher share of owner-occupied homes: 85%, 26.8 percentage points more than Pentwyn (Cardiff: 58%). Pentwyn has the higher share of private renting: 16%, 4.3 percentage points more than Cyncoed (Cardiff: 24%). Over two years, homes sold for a median of £490,000 in Cyncoed and £210,000 in Pentwyn, against £270,000 across Cardiff.
Surroundings
Pentwyn has the higher share of land within 500 m that is green space: 29%, 8.2 percentage points more than Cyncoed (Cardiff: 19%). A typical postcode has 65 everyday shops and services within a 15-minute walk in Cyncoed, and 75 in Pentwyn. The typical postcode is 410 m from the nearest school in Cyncoed and 242 m in Pentwyn. The typical postcode is 1,059 m from the nearest tram stop or railway station in Cyncoed and 2,198 m in Pentwyn. Gigabit-capable broadband reaches 89% of premises in Cyncoed and 92% in Pentwyn.
Safety
Over 12 months, police recorded 40 crimes and incidents per 1,000 residents in Cyncoed and 76 in Pentwyn, 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.
Cyncoed is one of 28 wards in Cardiff, home to 11,394 people in 4,190 households (Census 2021). Homes sold for a median of £490,000 over the past two years, 81% above the Cardiff median. On average 21% of the land within 500 metres of a home postcode is green space — 13% above the Cardiff average.
Pentwyn is one of 28 wards in Cardiff, home to 16,197 people in 6,516 households (Census 2021). Homes sold for a median of £210,000 over the past two years, 22% below the Cardiff median. On average 29% of the land within 500 metres of a home postcode is green space — 57% above the Cardiff average.
More comparisons.
Cyncoed and Pentwyn next to other wards of Cardiff.