CIRIA climate risk guide: geotechnical design and asset resilience notes for engineers
Reviewed by Tom Sullivan

First reported on The Construction Index
30 Second Briefing
CIRIA has issued a Good practice guide for managing climate change and extreme weather in land development, the first UK guidance to directly link projected climate impacts with physical changes in geotechnical and geoenvironmental conditions across the full project life cycle. Trigger events cited include the 2022 heatwave, which generated 23,000 subsidence claims and an estimated £219m payout by ABI members, and Storm Babet’s 2023 bridge collapses. The two-part guide combines current climate–geo risk knowledge with a practical framework, diagrams, tools, and case studies to structure consistent assessment of shrink–swell, flooding, groundwater shifts, and landslides.
Technical Brief
- Part 1 collates current evidence on how hotter summers, wetter winters and sea-level rise alter geo-hazards.
- Part 2 sets out a repeatable risk-management framework, with diagrams, tools and worked case studies.
- Geo-based hazards explicitly covered include clay shrink–swell, fluvial and coastal flooding, groundwater regime shifts and landslides.
- Guidance links climate-driven ground behaviour changes to asset viability, design life assumptions and maintenance planning.
- Insurance and financing interfaces are addressed, tying geotechnical risk assessments to insurability and lender requirements.
- Document is positioned as sector-wide good practice for embedding climate resilience into UK land development risk management.
Our Take
With Storm Babet’s 2023 bridge collapses also flagged, asset owners such as Heathrow fall into the cohort of UK operators whose resilience planning is increasingly being driven by insurance loss experience rather than just regulatory minimums.
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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