Principal Engineer
England > London
The median Principal Engineer salary in London is £107,500 per year, according to job vacancies posted during the 6 months leading to 19 December 2025.
The table below compares current salary benchmarking and summary statistics with the previous two years.
| 6 months to 19 Dec 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 278 | 291 | 326 |
| Rank change year-on-year | +13 | +35 | +122 |
| Permanent jobs requiring a Principal Engineer | 100 | 151 | 111 |
| As % of all permanent jobs in London | 0.74% | 0.94% | 0.62% |
| As % of the Job Titles category | 0.82% | 1.00% | 0.66% |
| Number of salaries quoted | 81 | 96 | 93 |
| 10th Percentile | £77,500 | £76,371 | £72,500 |
| 25th Percentile | £85,000 | £97,500 | £88,750 |
| Median annual salary (50th Percentile) | £107,500 | £108,750 | £105,000 |
| Median % change year-on-year | -1.15% | +3.57% | +2.53% |
| 75th Percentile | £120,000 | £125,000 | £122,500 |
| 90th Percentile | £150,000 | £147,500 | £137,000 |
| England median annual salary | £79,000 | £80,000 | £92,169 |
| % change year-on-year | -1.25% | -13.20% | +14.50% |
All Permanent IT Job Vacancies
London
For comparison with the information above, the following table provides summary statistics for all permanent IT job vacancies in London. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of permanent jobs in our overall sample.
| Permanent vacancies in London with a recognized job title | 12,250 | 15,090 | 16,911 |
| % of permanent jobs with a recognized job title | 90.76% | 93.55% | 95.00% |
| Number of salaries quoted | 8,133 | 8,950 | 13,672 |
| 10th Percentile | £35,750 | £42,000 | £41,250 |
| 25th Percentile | £50,000 | £55,000 | £55,000 |
| Median annual salary (50th Percentile) | £72,500 | £75,000 | £75,000 |
| Median % change year-on-year | -3.33% | - | +3.45% |
| 75th Percentile | £95,000 | £95,000 | £95,000 |
| 90th Percentile | £115,000 | £120,000 | £115,000 |
| England median annual salary | £55,000 | £60,000 | £60,000 |
| % change year-on-year | -8.33% | - | - |
Principal Engineer
Job Vacancy Trend in London
Historical trend showing the proportion of permanent IT job postings featuring 'Principal Engineer' in the job title relative to all permanent IT jobs advertised in London.
Principal Engineer
Salary Trend in London
Salary distribution trend for Principal Engineer job vacancies in London.
Principal Engineer
Salary Histogram in London
Salary distribution for jobs citing Principal Engineer in London over the 6 months to 19 December 2025.
Principal Engineer
Job Locations in London
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Principal Engineer within the London region over the 6 months to 19 December 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.
| Location | Rank Change on Same Period Last Year |
Matching Permanent IT Job Ads |
Median Salary Past 6 Months |
Median Salary % Change on Same Period Last Year |
Live Jobs |
|---|---|---|---|---|---|
| Central London | +46 | 21 | £112,500 | +2.27% | 8 |
| South London | +25 | 8 | £80,000 | +31.15% | 2 |
| West London | -2 | 1 | £65,000 | - | 6 |
| Principal Engineer England |
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Principal Engineer Skill Set
Top 30 Co-Occurring Skills & Capabilities in London
For the 6 months to 19 December 2025, Principal Engineer job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number of co-occurrences and as a proportion of all permanent job ads across the London region featuring Principal Engineer in the job title.
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Principal Engineer Skill Set
Co-Occurring Skills & Capabilities in London by Category
The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:
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