Cardiff · Entry-level · 2026

£31,500 Data Scientist
in Cardiff

A entry-level Cardiff data scientist earning £31,500 takes home £2,183/month after tax and NI. Average 1-bed rent is £900/month, leaving £1,283/month after rent — a tight financial position for Cardiff's cost base.

Gross
£31,500
entry-level
Net monthly
£2,183
after tax & NI
After rent
£1,283
per month
Savings est.
£373
per month
Stretched — rent takes 41% of take-home. Consider a shared house or outer-area flat.

Monthly Budget — Entry-level Data Scientist in Cardiff

Item Monthly
Gross annual salary £31,500/yr
Income tax −£316/mo
National Insurance −£126/mo
Net monthly take-home £2,183/mo
Rent (1-bed median) −£900/mo
Council tax −£132/mo
Transport −£50/mo
Groceries & utilities −£388/mo
Estimated monthly savings £373/mo

Tax computed using HMRC 2025/26 rates. Rent = Rightmove Q4 2025 median. Savings estimate deducts a £340 misc. buffer from remaining income.

Data Scientist Salary Range in Cardiff

This page shows the entry-level salary (£31,500) — 72% of the median (£44,000).

P25 — Lower quartile
£35,000
25% earn less than this
Median — 50th percentile
£44,000
midpoint of all earners
P75 — Upper quartile
£55,000
25% earn more than this

Compare by Experience Level

Entry — £31,500 Mid — £44,000 Senior — £60,500

vs Cardiff City Median

Entry-level Data Scientist
£31,500
vs
Cardiff all-worker median
£30,500
3% above Cardiff median

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Frequently Asked Questions

Is £31,500 a good data scientist salary in Cardiff? +
£31,500 is the entry-level data scientist salary in Cardiff, representing 72% of the median (£44,000). Net take-home is £2,183/month after tax and NI. Rent-to-income is 41%tight. At 3% above the Cardiff all-worker median of £30,500, this is a competitive salary for the city.
What is the average data scientist salary in Cardiff? +
The median Cardiff data scientist salary is £44,000 (ONS 2025). The lower quartile (P25) is £35,000 and the upper quartile (P75) is £55,000. Entry-level roles typically start around £31,500, while senior professionals reach £60,500.
How much can a data scientist in Cardiff save each month? +
On £31,500 in Cardiff, after rent (£900/mo), council tax (£132/mo), transport (£50/mo) and groceries & utilities (£388/mo), estimated monthly savings capacity is approximately £373/month.
What is the rent-to-income ratio for a data scientist in Cardiff? +
On £31,500 in Cardiff, the rent-to-income ratio for a 1-bed flat is 41%. The guideline for comfortable solo living is under 33%. To achieve a 33% RTI on a Cardiff 1-bed (£900/mo), you need approximately £32,500 gross annual salary.

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