SDETs in London earn an average base salary of around £84,500 per year, with entry-level professionals starting closer to £59,150 and senior or lead-level roles reaching upwards of £118,300. This page breaks down sdet salary ranges in London by experience level, the top-paying employers, the skills that move you up the band, and how the local cost of living shapes take-home pay. Use the data below to benchmark your own offer, plan your next move, or update your CV with a competitive target salary.
SDET Salary in London
Verified data. Updated 2026. Negotiate with confidence.
Salary range · London
Entry
£59,150
Median
£84,500
Senior
£118,300
Estimates based on industry data, adjusted for cost of living in London.
Frequently asked questions
The average sdet salary in London is approximately £84,500 per year, with a typical range from £59,150 to £118,300 depending on experience.