By
Gustav Haaland
-
Mar 2, 2026
How to operationalize climate risk in credit workflows
Climate risk is credit risk. The principle is widely acknowledged across banking. Yet in many institutions, climate risk is still discussed separately from core credit variables such as collateral value, cash flow resilience, and loss given default. The operational reality is still evolving.
Across banking, one statement is increasingly accepted: climate risk is credit risk. Policies have been written. Frameworks have been updated. Supervisory expectations are clearer than they were a few years ago.
Yet in many institutions, climate risk is still discussed separately from core credit variables such as collateral value, cash flow resilience, and loss given default. The principle is widely acknowledged. The operational reality is still evolving.
If climate exposure can influence borrower cash flow, insurance sustainability, collateral liquidity, or refinancing conditions, then it belongs inside credit assessment — not alongside it.
The question for credit teams is therefore not whether climate risk matters. It is what needs to be visible, quantified, and documented before a real estate loan is approved. Operationalizing climate risk does not require a new credit framework. It requires extending existing discipline to forward-looking exposure.
Historical models miss forward-looking exposure
Traditional credit assessment relies heavily on historical performance. Default rates, collateral values, and sector trends provide the foundation for modelling probability of default and loss given default. Climate risk introduces a forward-looking dimension.
Consider a commercial property that meets all credit thresholds today. Loan-to-value is within policy. Debt service coverage is robust. The asset is well located and fully let. However, the property is located in an area exposed to repeated flooding. Over time, insurance premiums increase. Deductibles rise. Mitigation investments become necessary to reduce exposure.
Operating costs increase. Free cash flow tightens. If market participants begin pricing this exposure into transaction values, collateral value may also adjust. The historical data remains accurate. But it does not capture the evolving drivers of risk.
Operationalizing climate risk means incorporating this forward-looking exposure into credit judgement alongside traditional metrics.
Climate risk enters existing credit workflows
Climate risk does not require a separate process. It enters at the same points where banks already assess value, cash flow, and concentration.
Loan origination and collateral assessment
At origination, banks evaluate collateral value, loan-to-value ratios, and borrower cash flow stability. Address-level climate exposure can be assessed at the same stage. If a pledged property is located in an area with elevated exposure, relevant credit questions follow: How resilient is the collateral value under downside scenarios? Are insurance conditions likely to remain stable over the loan term? Are mitigation investments probable within the financing horizon?
These considerations directly influence loss given default. If climate exposure increases uncertainty around collateral recovery in a stressed scenario, LGD assumptions may require adjustment. The objective is not automatic rejection. It is better-informed underwriting.
Credit approval and pricing
Climate exposure may also influence pricing and covenant structures. For example, if a borrower owns a building with weak energy performance in a regulatory environment where tightening standards are expected, future capital expenditure may be predictable.
Banks may respond using established tools: require a documented improvement plan, adjust pricing to reflect elevated risk, or introduce covenants linked to agreed milestones. Climate risk does not introduce new credit instruments. It informs how existing instruments are applied. When exposure is translated into financial terms, it remains part of credit logic rather than becoming a parallel ESG discussion.
Portfolio monitoring and concentration
Risk rarely becomes material at the level of a single loan. It accumulates through aggregation. A bank may have manageable exposure to individual properties in higher-risk regions. However, if lending is concentrated in those areas, correlated risk can build across the portfolio. Even if each loan appears robust in isolation, geographic clustering increases vulnerability under stress.
Operationalizing climate risk at portfolio level therefore includes mapping exposure across the loan book, identifying geographic and sector concentration, and assessing potential capital impact under adverse scenarios. This is not about forecasting specific events. It is about understanding how correlated exposure could influence portfolio volatility and capital planning.
Three steps to embed climate risk
For banks seeking to move from principle to practice, a clear structure can make integration more manageable. Rather than attempting to address every dimension simultaneously, institutions can benefit from a staged approach built on three steps.
1. Screen the full portfolio
The starting point is visibility. An address-level screening of relevant real estate exposures provides a consistent overview of climate risk across the loan book. At this stage, the objective is not deep analysis of every asset. It is to establish a baseline: where are the exposures, and how material are they? Without screening, discussions remain general. With screening, climate risk becomes measurable and comparable across regions and sectors.
2. Identify concentration and material exposure
Once exposure is mapped, the next step is to understand distribution. Risk is rarely evenly spread across a portfolio. It may cluster in specific geographies, asset types, or borrower segments. A bank may discover that a significant share of its commercial real estate lending is concentrated in municipalities with elevated exposure. Individually, each loan may appear robust. Collectively, correlated exposure may increase vulnerability under stress.
Understanding concentration does not require immediate balance sheet adjustments. It provides context for capital planning, pricing discipline, and supervisory dialogue. Visibility at portfolio level enables more informed credit judgement.
3. Prioritise and act where exposure is highest
Not all exposure requires intervention. Based on screening and concentration analysis, banks can focus attention on the assets and segments where climate risk is most material. Responses may include adjusted pricing for new transactions, review of collateral assumptions in higher-risk regions, enhanced monitoring of selected borrowers, and strategic limits on additional exposure.
Importantly, action does not only mean restriction. It can also mean engagement. Where exposure is elevated but manageable, banks can use credit dialogue to advise borrowers on mitigation measures and resilience planning. Early guidance on insurance strategy, technical upgrades, or risk-reducing investments can strengthen both borrower stability and collateral quality over time.
Screening creates visibility. Concentration analysis creates context. Action — whether through pricing, monitoring, or advisory dialogue — is directed where it reduces risk most effectively.
From principle to practice
Climate risk is credit risk only when it is visible, quantified, and consistently embedded in decision-making. The shift underway in many banks is not about adding a new risk category. It is about extending existing credit discipline to include forward-looking exposure.
What often begins as portfolio screening evolves into structured oversight embedded in origination workflows and portfolio monitoring. When climate exposure is assessed with the same discipline as collateral value and borrower cash flow, the principle becomes practice.
A closing reflection
What happens when a bank's credit framework prices climate risk — but its competitors do not?
How do credit committees maintain underwriting discipline when exposure is visible but not yet quantified?
And which institutions will retain supervisory credibility when climate risk is acknowledged in policy documents but absent from credit memos?
These questions reflect a shift already underway. Climate risk is moving from principle to operational reality — and the banks that embed it earliest will be better positioned for the credit environment ahead.
Sources and references
This article builds on themes explored in:
