2025 UK Building Services MEP Design Salary Guide
Looking for up-to-date MEP design salaries in the UK? Here’s the latest March 2025 data from the London consultancy market – permanent salaries and IR35 split contract rates for mechanical, electrical and public health engineer jobs.
Permanent MEP Design Salaries 2025
Typical permanent salary ranges in London consultancies (subject to experience, sector and benefits):
| Role | Salary Range | Typical Experience |
|---|---|---|
| Junior Engineer | £28–34k | 1–2 years |
| Intermediate Engineer | £35–45k | 2–5 years |
| Senior Engineer | £50–65k | 7–10 years |
| Principal Engineer | £65–70k | 10–15 years |
| Associate Engineer | £70–75k | – |
| Associate Director | £75–85k | – |
| Technical Director | £85–120k | – |
| Director | £95–130k | – |
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MEP Contract Rates 2025 (IR35)
Outside IR35
| Role | Rate |
|---|---|
| Senior Mechanical Engineer | £45–48 per hour |
| Senior Electrical Engineer | £46–52 per hour |
| Senior Public Health Engineer | £44–50 per hour |
| MEP Resident Engineer | £450–£550 per day |
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Inside IR35
| Role | Rate |
|---|---|
| Senior Mechanical Engineer | £55–58 per hour |
| Senior Electrical Engineer | £55–60 per hour |
| Senior Public Health Engineer | £53–60 per hour |
| MEP Resident Engineer | £550–£600 per day |
Figures are indicative only and vary by experience, location, project type and benefits package.
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Quick Market Snapshot 2025
- Candidate-driven market — skilled MEP designers remain in short supply
- Highest demand for sustainability, retrofit, BIM and smart-building experience
- What candidates value most: competitive pay + genuine hybrid flexibility, clear career paths and good benefits
Need help hiring or finding your next role?
Whether you’re looking to hire or an MEP engineer exploring your next move, our specialist Building Services Design team can help. Contact us.
Data source: Energi People client survey and placement data, March 2025.