NAECI 4.5% pay rise: cost and programme impacts for UK project teams
Reviewed by Joe Ashwell
First reported on New Civil Engineer
30 Second Briefing
Thousands of engineering construction workers covered by the National Agreement for the Engineering Construction Industry will receive a 4.5% pay rise from May 2026 after unions threatened industrial action. The uplift applies to grades working on major UK energy and infrastructure projects, including power stations, refineries and large process plants, where NAECI rates often set benchmark site allowances and overtime premiums. Contractors now face higher labour costs on complex, high-risk sites, which may tighten margins on lump-sum EPC contracts and drive sharper scrutiny of productivity, programme risk and claims.
Technical Brief
- Contractors with fixed-price lump-sum contracts will likely re-optimise shift patterns, overtime usage and productivity norms.
- Risk registers on major energy and infrastructure projects should now treat NAECI wage settlements as a discrete commercial risk item.
Our Take
With 819 Infrastructure stories and 2,242 tag-matched ‘Projects’ pieces in our database, this 4.5% pay increase for engineering construction workers signals that labour cost escalation is becoming a structural factor project teams will need to price into UK infrastructure bids and NEC contract frameworks.
For organisations around New Civil Engineer-linked initiatives such as the British Construction & Infrastructure Awards and TechFest Awards, higher baseline pay rates are likely to sharpen competition for early-career and mid-level engineers, making non-salary benefits and project quality more important in retention strategies.
A 4.5% uplift from May, if mirrored across supply chains, will tend to squeeze margins on long-duration infrastructure jobs that were tendered on pre-increase assumptions, pushing contractors to seek productivity gains through digital tools and offsite methods highlighted in other New Civil Engineer-covered innovation programmes.
Prepared by collating external sources, AI-assisted tools, and Geomechanics.io’s proprietary mining database, then reviewed for technical accuracy & edited by our geotechnical team.
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