Remote vs Office · Software Engineer · 2026

Cardiff remote
vs London office

A software engineer working remotely from Cardiff earns £65,000 vs £72,000 in London. After costs, Cardiff remote wins by £911/month. Break-even discount: 35%.

London salary
£72,000
office gross
Remote salary
£65,000
Cardiff gross
Monthly advantage
+£911
Cardiff remote
Break-even
35%
max salary cut

Head-to-Head Comparison

London Office
£72,000
Net monthly £4,360
Rent (1-bed) −£2,150
After rent £2,210/mo
RTI 49%
🏆 Cardiff Remote
£65,000
Net monthly £4,021
Rent (1-bed) −£900
After rent £3,121/mo
RTI 22%

Full Financial Comparison

Metric London office Cardiff remote Difference
Gross salary £72,000 £65,000 −£7,000
Net monthly £4,360 £4,021 −£339
Rent (1-bed) £2,150/mo £900/mo −£1,250
RTI % 49% 22% −£27%
After rent £2,210/mo £3,121/mo +£911/mo

Tax computed using HMRC 2025/26. Rent = Rightmove Q4 2025 median. Remote salary modelled at 10% discount from London rate.

Break-Even Calculator

You can accept up to a 35% salary reduction and still be better off than London.

Offered discount (10%) £65,000
Break-even discount (35%) £47,000
✓ The 10% offered discount is within the 35% break-even. Cardiff remote wins financially.

Any remote salary above £47,000 in Cardiff beats London financially after living costs.

Remote wins — Cardiff delivers £911/month more disposable income

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Frequently Asked Questions

Is it financially better to be a software engineer in Cardiff remote or London office? +
Cardiff remote wins. Despite earning £7,000 less (10% discount), a Cardiff-based software engineer has £911/month more after rent compared to a London office role. Rent in Cardiff (£900/mo) vs London (£2,150/mo) more than compensates for the lower gross salary. RTI: 22% vs 49% in London.
What remote salary discount can I accept as a software engineer in Cardiff? +
You can accept up to a 35% salary reduction and still be better off than working in London. The typical offered remote discount for software engineers is 10%, which is comfortably within the break-even threshold. Any remote salary above £47,000 in Cardiff leaves you better off than the London office role at £72,000.
What is the break-even remote salary for a software engineer in Cardiff? +
The break-even remote salary is £47,000 — 35% below the London rate of £72,000. At this salary, after-rent disposable income in Cardiff exactly equals what you'd have working in London. The modelled remote salary of £65,000 (10% discount) is £18,000 above the break-even.

Related Pages

Software Engineer salary in Cardiff Afford Cardiff on £65,000? Software Engineer London vs Cardiff Standard of living: Software Engineer in Cardiff Salary equivalence: London → Cardiff