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Advertised pay · updated 4 October 2026

Drainage Engineer vs Tunnel Engineer: advertised pay

Not enough adverts state pay on both sides to compare Drainage Engineer and Tunnel Engineer. Each side is below with its own sample, and this page stays out of search results until both reach five adverts stating pay.

Drainage Engineer, median advertised salary£43,750advertised · 50 adverts stating pay · 04 Oct 2026Tunnel Engineer, median advertised salaryNot enough adverts yet to publish a figure.

The two samples are different sets of adverts from different employers, so a gap between them is a gap in what is being advertised.

Advertised, not paid: these are the salaries employers stated in live job adverts. They are not a survey of what people are paid, and this site neither sets nor guarantees any rate.

How each one spreads

Drainage Engineer

  • Lowest advertised£27,500advertised · the lowest of 50 adverts stating pay · 04 Oct 2026
  • 25th percentile£37,986advertised · a quarter of 50 adverts are below · 04 Oct 2026
  • Median£43,750advertised · half of 50 adverts are below · 04 Oct 2026
  • 75th percentile£49,688advertised · three quarters of 50 adverts are below · 04 Oct 2026
  • Highest advertised£77,625advertised · the highest of 50 adverts stating pay · 04 Oct 2026

Five measured points from the adverts that state pay. Nothing is drawn between them, because the shape in between has not been measured.

Middle half of adverts£37,986 – £49,688advertised · 50 adverts stating pay · 04 Oct 2026
Lowest to highest£27,500 – £77,625advertised · 50 adverts stating pay · 04 Oct 2026
Adverts stating pay50 of 5493% of live adverts · 04 Oct 2026

Drainage Engineer by level

Median advertised salary at each level for Drainage Engineer roles across the UK, on one scale from zero.

  • GraduateFewer than 5 adverts state pay.2 of 2 live adverts state pay · 04 Oct 2026
  • JuniorFewer than 5 adverts state pay.1 of 1 live advert states pay · 04 Oct 2026
  • Senior£48,000advertised · 9 adverts stating pay · 04 Oct 2026
  • Lead£53,750advertised · 6 adverts stating pay · 04 Oct 2026

The level comes from the words in the advert title. An advert that does not say its level counts towards the overall figure and no level.

Most recent snapshot here: 4 October 2026.

Where next

Each role’s own page has its figure, its cities and its levels.

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