Cost of Living Comparison Between London and Cardiff
For one person, living is cheaper in Cardiff: $2,454 a month against $3,986 in London, rent and utilities included – about $18,400 less a year. Rent and utilities account for most of the difference.
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London Living Index194Cost of Living Index in LondonLearn more -
Cardiff Living Index119Cost of Living Index in CardiffLearn more
How much you'll spend in London and in Cardiff
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in London and in Cardiff actually costs, broken down by who's living it.
Monthly costs for one person with rent: $3,986 in London versus $2,454 in Cardiff.
- London $3,986
- Cardiff $2,454
Estimated couple costs with rent: $5,791 in London versus $3,414 in Cardiff.
- London $5,791
- Cardiff $3,414
Monthly costs for a family of three with rent: $7,595 in London versus $4,373 in Cardiff.
- London $7,595
- Cardiff $4,373
Living in London is roughly 62% more expensive than in Cardiff, and outside of rent the biggest gap is in transport.
Both cities are pricier than the global median: London 195% above, Cardiff 82% above.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for London: October 10, 2026
Last update for Cardiff: October 12, 2026
Cost Breakdown
A one-bedroom apartment in the center runs $2,869 in London and $1,168 in Cardiff. Housing cost is often the main lever when comparing two cities.
London pays 58% more on average. The extra income cushions the higher costs, though housing choices and lifestyle decide how much of the gap is truly closed.
Dining out: $107 in London vs $83.0 in Cardiff for a mid-range dinner for two. Groceries echo the gap at $349 vs $306 per month, with Cardiff cheaper across the board.
- London Cardiff 210 km
- London
- Cardiff
Distances are measured in a straight line. Your location is detected approximately.
City Median Internet Speeds Comparison (Updated April 2026)
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