Cyncoed
vs Llanishen
Cyncoed has the younger population: 18% of residents are aged 15–29, against 15% in Llanishen. Homes in Cyncoed sold for a median of £490,000, 69% above Llanishen. Llanishen has more green space nearby (21% within 500 m, against 21%).
People
Cyncoed has 11,394 residents in 4,190 households; Llanishen has 10,139 in 4,484. Cyncoed has the higher share of residents aged 65 and over: 23%, 1.7 percentage points more than Llanishen (Cardiff: 15%). Llanishen has the higher share of people living alone: 37%, 11.7 percentage points more than Cyncoed (Cardiff: 32%).
Homes and prices
In both, semi-detached houses are the most common type of home: 42% of homes in Cyncoed and 41% in Llanishen. Cyncoed has the higher share of owner-occupied homes: 85%, 19.1 percentage points more than Llanishen (Cardiff: 58%). Llanishen has the higher share of private renting: 14%, 2.2 percentage points more than Cyncoed (Cardiff: 24%). Over two years, homes sold for a median of £490,000 in Cyncoed and £290,000 in Llanishen, against £270,000 across Cardiff.
Surroundings
The share of land within 500 m that is green space is about the same in both (21% and 21%). A typical postcode has 65 everyday shops and services within a 15-minute walk in Cyncoed, and 79 in Llanishen. The typical postcode is 410 m from the nearest school in Cyncoed and 359 m in Llanishen. The typical postcode is 1,059 m from the nearest tram stop or railway station in Cyncoed and 627 m in Llanishen. Gigabit-capable broadband reaches 89% of premises in Cyncoed and 90% in Llanishen.
Safety
Over 12 months, police recorded 40 crimes and incidents per 1,000 residents in Cyncoed and 89 in Llanishen, 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.
Llanishen is one of 28 wards in Cardiff, home to 10,139 people in 4,484 households (Census 2021). Homes sold for a median of £290,000 over the past two years, 7% above the Cardiff median. On average 21% of the land within 500 metres of a home postcode is green space — 15% above the Cardiff average.
More comparisons.
Cyncoed and Llanishen next to other wards of Cardiff.