Llanrumney
vs Trowbridge
Trowbridge has the younger population: 19% of residents are aged 15–29, against 18% in Llanrumney. Homes in Trowbridge sold for a median of £230,000, in line with Llanrumney. Llanrumney has more green space nearby (25% within 500 m, against 22%).
People
Llanrumney has 11,602 residents in 4,808 households; Trowbridge has 17,237 in 7,014. Llanrumney has the higher share of residents aged 65 and over: 15%, 3.2 percentage points more than Trowbridge (Cardiff: 15%). Trowbridge has the higher share of people living alone: 31%, 1.2 percentage points more than Llanrumney (Cardiff: 32%).
Homes and prices
In both, semi-detached houses are the most common type of home: 45% of homes in Llanrumney and 41% in Trowbridge. Llanrumney has the higher share of owner-occupied homes: 55%, 4.4 percentage points more than Trowbridge (Cardiff: 58%). The share of private renting is about the same in both (15% and 15%). Over two years, homes sold for a median of £230,000 in Llanrumney and £230,000 in Trowbridge, against £270,000 across Cardiff.
Surroundings
Llanrumney has the higher share of land within 500 m that is green space: 25%, 2.6 percentage points more than Trowbridge (Cardiff: 19%). A typical postcode has 69 everyday shops and services within a 15-minute walk in Llanrumney, and 51 in Trowbridge. The typical postcode is 294 m from the nearest school in Llanrumney and 284 m in Trowbridge. The typical postcode is 3,968 m from the nearest tram stop or railway station in Llanrumney and 5,702 m in Trowbridge. Gigabit-capable broadband reaches 98% of premises in Llanrumney and 93% in Trowbridge.
Safety
Over 12 months, police recorded 118 crimes and incidents per 1,000 residents in Llanrumney and 109 in Trowbridge, 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.
Llanrumney is one of 28 wards in Cardiff, home to 11,602 people in 4,808 households (Census 2021). Homes sold for a median of £230,000 over the past two years, 15% below the Cardiff median. On average 25% of the land within 500 metres of a home postcode is green space — 34% above the Cardiff average.
Trowbridge is one of 28 wards in Cardiff, home to 17,237 people in 7,014 households (Census 2021). Homes sold for a median of £230,000 over the past two years, 15% below the Cardiff median. On average 22% of the land within 500 metres of a home postcode is green space — 20% above the Cardiff average.
More comparisons.
Llanrumney and Trowbridge next to other wards of Cardiff.