Legacy System
London > South London
The table below looks at the prevalence of the term Legacy Systems in permanent job vacancies in South London. Included is a benchmarking guide to the salaries offered in vacancies that cited Legacy Systems over the 6 months leading up to 20 November 2025, comparing them to the same period in the previous two years.
| 6 months to 20 Nov 2025 |
Same period 2024 | Same period 2023 | |
|---|---|---|---|
| Rank | 52 | 74 | 48 |
| Rank change year-on-year | +22 | -26 | +40 |
| Permanent jobs citing Legacy Systems | 2 | 10 | 6 |
| As % of all permanent jobs in South London | 0.54% | 1.90% | 1.65% |
| As % of the Miscellaneous category | 0.96% | 3.00% | 5.22% |
| Number of salaries quoted | 1 | 9 | 6 |
| 10th Percentile | - | £47,350 | - |
| 25th Percentile | £52,400 | £117,500 | £66,250 |
| Median annual salary (50th Percentile) | £55,200 | £125,000 | £72,500 |
| Median % change year-on-year | -55.84% | +72.41% | +38.10% |
| 75th Percentile | £58,000 | £132,500 | £78,750 |
| 90th Percentile | - | - | - |
| London median annual salary | £75,000 | £63,750 | £77,500 |
| % change year-on-year | +17.65% | -17.74% | -6.06% |
All Generic Skills
South London
Legacy Systems falls under the General and Transferable Skills category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring generic IT skills in South London.
| Permanent vacancies with a requirement for generic IT skills | 209 | 333 | 115 |
| As % of all permanent jobs advertised in South London | 56.33% | 63.31% | 31.59% |
| Number of salaries quoted | 77 | 99 | 88 |
| 10th Percentile | £31,250 | £41,305 | £33,375 |
| 25th Percentile | £35,750 | £50,000 | £39,085 |
| Median annual salary (50th Percentile) | £42,500 | £55,000 | £55,000 |
| Median % change year-on-year | -22.73% | - | +8.91% |
| 75th Percentile | £52,500 | £73,750 | £67,500 |
| 90th Percentile | £80,000 | £74,750 | £77,875 |
| London median annual salary | £75,000 | £80,000 | £77,500 |
| % change year-on-year | -6.25% | +3.23% | +3.33% |
Legacy Systems
Job Vacancy Trend in South London
Historical trend showing the proportion of permanent IT job postings citing Legacy Systems relative to all permanent IT jobs advertised in South London.
Legacy Systems
Salary Trend in South London
Salary distribution trend for jobs in South London citing Legacy Systems.
Legacy Systems
Job Locations in South London
The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Legacy Systems within the South London region over the 6 months to 20 November 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 |
|---|---|---|---|---|---|
| Croydon | +16 | 2 | £55,200 | - | 1 |
| Legacy Systems London |
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Legacy Systems
Co-Occurring Skills & Capabilities in South 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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