Planning and Infrastructure Act: key consenting changes for project engineers
Reviewed by Joe Ashwell

First reported on New Civil Engineer
30 Second Briefing
The Planning and Infrastructure Act has received Royal Assent, bringing into force a wide package of reforms aimed at accelerating housing delivery and major infrastructure consenting across the UK. Measures include streamlining Development Consent Order processes for nationally significant projects and tightening statutory timescales for planning decisions, with the intention of reducing multi‑year delays on large transport, energy and water schemes. For engineers, the changes signal pressure to front‑load design, environmental assessment and geotechnical risk work to meet shorter pre‑construction and examination windows.
Technical Brief
- Housing delivery measures sit alongside infrastructure reforms, signalling parallel pressure on brownfield remediation and ground-risk resolution.
- Legal changes will require planning statements and environmental material to be legally robust much earlier in project lifecycles.
- For NSIPs, examination timetables becoming more rigid will compress windows for responding to geotechnical RFIs and design queries.
- Interfaces with existing town and country planning legislation will complicate consent strategies on linear schemes crossing multiple authorities.
- Infrastructure promoters will need clearer early definition of construction compounds, haul routes and spoil management to satisfy front‑loaded scrutiny.
- Similar legislation-driven timetable tightening in other jurisdictions has historically shifted more risk into pre‑FID site investigation and optioneering.
Our Take
Within the 54 Policy stories in our database, the United Kingdom features frequently in pieces tagged ‘Standard/Guideline’, signalling that regulatory clarity is becoming as important as funding for getting major projects to site in the UK.
For UK-based infrastructure practitioners, the clustering of ‘Projects’ and ‘Standard/Guideline’ tags in our coverage typically coincides with changes in approval pathways and documentation requirements, which can materially affect programme risk and bid pricing even before design standards themselves shift.
Because New Civil Engineer is the reporting outlet rather than a project proponent, this item sits alongside other policy-focused coverage in our database that tends to shape expectations about how UK public bodies will interpret new planning rules in procurement and contract conditions over the next few years.
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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