Cost of Living Comparison Between London and Portsmouth
For one person, living is cheaper in Portsmouth: $2,765 a month against $4,086 in London, rent and utilities included – about $15,900 less a year. Rent and utilities account for most of the difference.
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London Living Index195Cost of Living Index in LondonLearn more -
Portsmouth Living Index134Cost of Living Index in PortsmouthLearn more
How much you'll spend in London and in Portsmouth
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 Portsmouth actually costs, broken down by who's living it.
A single person spends $4,086 per month in London vs $2,765 in Portsmouth, rent included.
- London $4,086
- Portsmouth $2,765
A couple spends around $5,891 per month in London vs $3,781 in Portsmouth, rent included.
- London $5,891
- Portsmouth $3,781
A family of three spends $7,696 per month in London vs $4,798 in Portsmouth, rent included.
- London $7,696
- Portsmouth $4,798
London costs about 48% more than Portsmouth, and outside of rent the biggest gap is in transport.
Both London and Portsmouth sit above the global median – London by 200%, Portsmouth by 103%.
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for London: October 26, 2026
Last update for Portsmouth: October 25, 2026
Cost Breakdown
A central one-bedroom costs $2,811 in London versus $1,493 in Portsmouth. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
Salaries run about 49% higher in London. Purchasing power depends on which expenses matter most to you.
A mid-range dinner for two costs $107 in London versus $66 in Portsmouth. Monthly groceries follow the same trend: $356 vs $312 – making Portsmouth the more affordable choice for daily food spending.
- London Portsmouth 100 km
- London
- Portsmouth
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City Median Internet Speeds Comparison (Updated April 2026)
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