Nista’s 2025–26 Major Projects report: planning constraints and delivery lessons for engineers
Reviewed by Joe Ashwell

First reported on New Civil Engineer
30 Second Briefing
Nista’s second Major Projects Annual Report, covering 1 April 2025 to 31 March 2026, reports improving delivery confidence on parts of the £700bn-plus National Infrastructure and Construction Pipeline but flags persistent schedule and cost risks on complex rail, energy and digital schemes. The authority backs tighter portfolio management, earlier constructability input and stronger use of digital twins and alliancing contracts, yet stops short of calling for statutory planning reform or changes to Development Consent Order processes. For engineers, the message is to plan for prolonged consenting and stakeholder engagement as a fixed constraint rather than a variable.
Technical Brief
- Nista’s reporting window is fixed to the 1 April–31 March government financial year.
Our Take
The second Major Projects Annual Report for 2025–26 lands just after Nista cut the Government’s Major Projects Portfolio from over 200 schemes to 81, signalling that its confidence ratings and commentary now apply to a much more tightly curated set of nationally significant schemes.
Related coverage on HS2’s continuing Red rating in Nista’s 2026 portfolio review suggests that, even with a slimmer portfolio and stronger central oversight, high-risk legacy projects will continue to dominate the risk profile unless planning and approvals pathways are tackled explicitly.
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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