Software Engineer · City comparison · 2026

Cardiff vs Reading

Reading wins on purchasing power. Reading software engineers have £422/month more disposable income after rent than their Cardiff counterparts.

Cardiff salary
£46,000
£3,053/mo take-home
Reading salary
£63,000
£3,925/mo take-home
Reading wins by
+£422
per month after rent
Winner on purchasing power
Reading

After paying rent, a software engineer in Reading retains £422/month more than in Cardiff — that's £5,064/year extra in purchasing power.

+£422
per month
Cardiff
View full breakdown →
Gross salary £46,000
Net monthly £3,053
Rent (1-bed) £900
Rent-to-income 29% — Comfortable
After rent £2,153
Reading
View full breakdown →
Gross salary £63,000
Net monthly £3,925
Rent (1-bed) £1,350
Rent-to-income 34% — Stretched
After rent £2,575

Cardiff vs Reading: what the £422/month gap means for a software engineer

On paper, Cardiff software engineer roles pay £17,000/year less than Reading. But take-home after tax and National Insurance tells a different story — Cardiff workers keep £3,053/month versus £3,925/month in Reading.

The bigger picture is after rent. Average Cardiff rent runs £900/month versus £1,350/month in Reading. Once housing costs are factored in, Reading workers have £2,575/month disposable income versus £2,153/month in Cardiff — that is £5,064/year in real spending power.

Reading's rent-to-income ratio of 34% compares favourably to Cardiff's 29%.

For software engineers prioritising financial freedom, Reading delivers significantly more disposable income despite comparable gross pay.

Monthly cost comparison

All figures monthly · 2025/26

Category Cardiff Reading Delta
Rent (1-bed median) £900 £1,350 +50%
Transport £50 £85 +70%
Council tax £132 £150 +14%
Groceries £255 £290 +14%
Disposable income remaining £1,583 £1,910 +21%

Sources: ONS 2025 · Rightmove Q4 2025 · HMRC 2025/26 · Numbeo 2025

Cost-of-living equivalence

Based on a cost-of-living index of 64 for Cardiff and 80 for Reading, a salary of £46,000 in Cardiff delivers equivalent purchasing power to £57,500 in Reading.

Cardiff £46,000 ≈
£57,500
in Reading

Income retention after all essentials

% of net monthly pay remaining after rent, transport, council tax and groceries

Cardiff 52%
Reading 49%

Everyday costs

Estimated typical prices · scaled from Numbeo 2025

Cappuccino
Cardiff £2.43
Reading £3.04
Transit (single trip)
Cardiff £1.19
Reading £2.02
Gym membership
Cardiff £35/mo
Reading £44/mo
Cinema ticket
Cardiff £10.24
Reading £12.80

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Frequently asked questions

Does a software engineer earn more in Cardiff or Reading? +
Cardiff pays a median £46,000 vs £63,000 in Reading — a gross difference of £17,000. However, after accounting for rent and living costs, Reading professionals have £422/month more disposable income, making it the stronger city in real terms.
What is the take-home pay for a software engineer in Cardiff vs Reading? +
In Cardiff: gross £46,000£3,053/month net take-home. In Reading: gross £63,000£3,925/month net take-home. After paying median 1-bed rent, Cardiff leaves £2,153/month vs Reading's £2,575/month.
What salary in Reading matches Cardiff purchasing power? +
Approximately £57,500 in Reading delivers equivalent purchasing power to £46,000 in Cardiff, based on a cost-of-living index of 64 (Cardiff) vs 80 (Reading).
Is Cardiff or Reading cheaper to live in? +
Cardiff is cheaper overall, with a cost-of-living index of 64 vs 80 for Reading (London = 100). Rent in Cardiff averages £900/month (1-bed) vs £1,350/month in Reading.
What is the rent-to-income ratio for a software engineer in Cardiff? +
A software engineer in Cardiff earning £46,000 takes home £3,053/month. With median 1-bed rent of £900/month, the rent-to-income ratio is 29% (comfortable). In Reading the equivalent ratio is 34%.

Explore further

Affordability and salary breakdowns for Cardiff and Reading

Afford Cardiff on £45,000? Afford Reading on £65,000? Salary equivalence: Cardiff → Reading Standard of living: Software Engineer in Cardiff Standard of living: Software Engineer in Reading

Data sources & methodology

ONS Annual Survey of Hours and Earnings 2025 · Rightmove Rental Trends Tracker Q1 2026 · Numbeo Cost of Living 2026

Analysis by the SalaryDex data team · May 2026 · Corrections: [email protected] · Full methodology · Data transparency pledge