Data Scientist Salary in London
Official ONS earnings for London, covering 20,000 jobs.
Median salary — London
£42,850
gross, per year, all employees
Mean
£52,893
Jobs measured
20,000
What a typical data scientist takes home
On the median of £42,850, 2026/27 tax year, England, Wales and Northern Ireland rates, no pension or student loan.
Take-home a month
£2,864
Take-home a year
£34,372
Income Tax
£6,056
National Insurance
£2,422
What most data scientists actually earn
Half of data scientists in London earn between £33,879 and £56,427. Earning above £56,427 puts you in the top quarter of the profession.
ONS suppresses the detailed spread for this occupation at regional level, so this range describes the wider “Business Associate Professionals” group in London.
The full pay range
Each bar is the salary at that percentile — the 25th means a quarter of data scientists earn less than this.
Where this figure comes from
- ONS occupation group
- Data analysts
- SOC 2020 code
- 3544
- Measure
- Gross annual pay, all employees
- Edition
- ONS Annual Survey of Hours and Earnings, 2025 provisional
ONS doesn't measure “data scientist” as its own category. These figures are for the wider group “Data analysts”, which includes this role alongside others. ONS has no separate data scientist group; 3544 Data analysts is the closest.
Source: Office for National Statistics, Annual Survey of Hours and Earnings. Contains public sector information licensed under the Open Government Licence v3.0. Figures are estimates from a survey of PAYE jobs and are not financial advice.
Data Scientist salary FAQs
What is the average Data Scientist salary in London?
The median is £42,850 a year and the mean is £52,893, according to the ONS Annual Survey of Hours and Earnings. Those cover all employees; ASHE publishes no full-time split at regional level.
How much does a data scientist earn per hour?
Across the UK the median hourly rate is £20.48 excluding overtime, or £20.55 for full-time employees. ASHE publishes hourly pay by occupation nationally only, so there is no separate rate for London.
What is a good Data Scientist salary?
Half of data scientists earn between £33,879 and £56,427. Anything above £56,427 is in the top quarter for the role.
What is the starting salary for a data scientist?
ASHE does not record experience, so there is no official starting salary. What it does show is that the lowest-paid 10% of data scientists earn under £26,453 and the lowest quarter under £33,879 — the range a new entrant is most likely to be offered.
Do data scientists in London earn more than the UK average?
The median in London is £42,850 against £38,107 across the UK, 12.4% higher.
How many data scientists are there in London?
ASHE counts around 20,000 employee jobs in “Data analysts” (SOC 3544) in London. Self-employed work is not included.
Is this figure official?
Yes. It comes from the ONS Annual Survey of Hours and Earnings, an accredited official statistic based on employer PAYE records.
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