Cardiff vs Portsmouth
Which is better to live in? (2026)
Cardiff () and Portsmouth (South East) are two UK areas home buyers and renters frequently weigh against each other. On our overall Area Score, Cardiff rates 77/100 (grade B) and Portsmouth rates 50/100 (grade D). Cardiff is the safer of the two on crime (72/100 versus 25/100). Portsmouth has the stronger schools, with 53% of nearby schools rated Good or Outstanding by Ofsted. Cardiff works out cheaper for typical monthly household bills (~£376 versus ~£427). The full side-by-side breakdown of crime, schools, transport, affordability, broadband, environment and healthcare is below, followed by our verdict on which area fits which kind of buyer.
Cardiff vs Portsmouth: Category Comparison
Our Verdict
Cardiff comes out ahead in 5 of 8 categories, with particular strengths in crime safety, schools, affordability. However, Portsmouth performs better in transport and broadband, so the best choice depends on your priorities.
Frequently Asked Questions
Is Cardiff or Portsmouth better to live in?
Cardiff comes out ahead in 5 of 8 categories, with particular strengths in crime safety, schools, affordability. However, Portsmouth performs better in transport and broadband, so the best choice depends on your priorities.
Is Cardiff safer than Portsmouth?
Cardiff scores higher for crime safety (72/100) compared to Portsmouth (25/100). Scores are based on the Index of Multiple Deprivation crime domain.
Which has better schools, Cardiff or Portsmouth?
Cardiff has 0 schools within 3km, with 0% rated Good or Outstanding by Ofsted. Portsmouth has 15 schools nearby, with 53% rated Good or Outstanding.
Is it cheaper to live in Cardiff or Portsmouth?
Estimated monthly bills are lower in Cardiff (~£376/month) compared to Portsmouth (~£427/month). Bills include council tax, energy, water, broadband, and insurance estimates.
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Data sources: Scores are estimated using pre-loaded data from MHCLG Indices of Deprivation, Ofsted/GIAS school ratings, DfT Transport Connectivity 2025, MHCLG council tax data, Ofgem energy price cap, and regional averages. For full live data from 20+ government sources, view the individual town reports. Data provided under the Open Government Licence v3.0.