Climate
Belfast logs 4 frost days a year to London's 18 — Belfast wins by 14. London also leads on outdoor-dinner months by 1.
Belfast
Feels-like °C
Dinner outside
London
Feels-like °C
Dinner outside
Cost of Living
Belfast is $1820/mo cheaperBelfast runs about $1,917/mo for a balanced lifestyle against London's $3,737/mo — Belfast comes in $1,820 cheaper each month, roughly 95% less.
Belfast
$1,917monthly · balanced
London
$3,737monthly · balanced
Mobility
On mobility, London scores 4.0 vs Belfast's 2.8 (0–5 scale), with the biggest gap on public transit. Belfast still holds an edge on car efficiency.
Culture
London's culture score of 4.9 sits well above Belfast's 3.5, with the biggest gap on arts & culture.
Nature & Outdoors
Belfast and London score neck-and-neck on nature & outdoors (3.8 vs 3.8, 0–5 scale).
Safety
Belfast and London score neck-and-neck on safety (2.5 vs 2.5, 0–5 scale).
Career
London's career score of 5.0 sits well above Belfast's 3.6, with the biggest gap on career opportunities.
Social & Community
London's social & community score is ~1.2× Belfast's — in the upper band, while Belfast lands in the middle of the scale, with the biggest gap on multicultural mix.
Food & Dining
On food & dining, London scores 5.0 vs Belfast's 3.4 (0–5 scale), with the biggest gap on restaurant variety.
Family
On family, London scores 4.6 vs Belfast's 2.6 (0–5 scale), with the biggest gap on tennis/pickleball.
Healthcare
On healthcare, London scores 3.4 vs Belfast's 2.7 (0–5 scale), with the biggest gap on private healthcare quality.
Air Quality
Belfast averages 7.0 µg/m³ (good) PM2.5 annually versus London's 8.6 µg/m³ (good) — Belfast breathes ~19% cleaner air (1.6 µg/m³ lower).
Belfast
London
PM2.5 annual average
WHO classification
City Scale
Both maps at the same real-world scale — 1 cm on either map is the same distance.
Belfast (437K) and London (10.4M) are 24x in population — London is the larger metro, Belfast the smaller; on land area London spans roughly 11x more ground.
London is roughly 16x the scale of Belfast
Combined population & area comparison
City Scale Rankings
Belfast
London
Who Thrives Here
Belfast favours the ocean lover, while London suits the big city energy. Both cities work well for the english speaker.
Also compared
Frequently asked about Belfast vs London
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