Cardiff vs Oxford
Oxford wins on purchasing power. Oxford software engineers have £418/month more disposable income after rent than their Cardiff counterparts.
After paying rent, a software engineer in Oxford retains £418/month more than in Cardiff — that's £5,016/year extra in purchasing power.
Cardiff vs Oxford: what the £418/month gap means for a software engineer
On paper, Cardiff software engineer roles pay £19,000/year less than Oxford. But take-home after tax and National Insurance tells a different story — Cardiff workers keep £3,053/month versus £4,021/month in Oxford.
The bigger picture is after rent. Average Cardiff rent runs £900/month versus £1,450/month in Oxford. Once housing costs are factored in, Oxford workers have £2,571/month disposable income versus £2,153/month in Cardiff — that is £5,016/year in real spending power.
Oxford's rent-to-income ratio of 36% compares favourably to Cardiff's 29%.
For software engineers prioritising financial freedom, Oxford delivers significantly more disposable income despite comparable gross pay.
Cost-of-living equivalence
Based on a cost-of-living index of 64 for Cardiff and 85 for Oxford, a salary of £46,000 in Cardiff delivers equivalent purchasing power to £61,100 in Oxford.
Income retention after all essentials
% of net monthly pay remaining after rent, transport, council tax and groceries
Everyday costs
Estimated typical prices · scaled from Numbeo 2025
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