Should climate risk be a part of your home loan conversation?

Most people buying a home ask three questions. Can I afford it? Is the location right? Does the price make sense? What they rarely ask is a fourth question, one that could matter over the life of a 15-to 20-year loan. How exposed is this property to flooding, extreme heat or severe weather events? These are physical climate risks, and they are increasingly entering the regulatory discussion around credit risk. What remains less clear is how, or whether, such risks could eventually feed into individual home-loan assessment.

India’s housing credit market is large enough to make this an important financial question. Individual home loans outstanding across housing finance companies, public-sector banks, private-sector banks and regional rural banks stood at ₹40.07 lakh crore as of July 2026, up 9.6% from ₹36.55 lakh crore a year earlier, according to the National Housing Bank. The figure is provisional and based on data reported through NHB’s Housing Finance Repository (HFR).

When physical risk becomes credit risk

The Reserve Bank of India has already begun examining how such risks could affect banks through climate scenario analysis. Its pilot Climate Vulnerability Assessment and Stress Testing exercise in 2022 found that, under a flood scenario, the credit loss potential of participating banks was projected to increase by 66.1% against the baseline. The exercise, though exploratory and limited in scope, illustrated how a physical event can translate into financial risk. It showed how climate risks can affect both a borrower’s ability to repay and the value of the property backing the loan.

There is also a concrete example of how a natural calamity can affect loan terms. From July 1, 2026, new RBI directions allow regulated lenders to provide eligible calamity-affected borrowers relief such as rescheduling payments, granting a moratorium or providing additional finance. This is a post-event relief mechanism, rather than climate risk being factored into the pricing or eligibility of a fresh home loan.

What buyers cannot yet check

Part of the reason this relationship is hard to establish is that buyers have few straightforward ways to check a property's flood or climate exposure. Information can be fragmented across different public and other sources, making it difficult to assess a property's specific exposure. For lenders, this lack of consistent property-level information also makes climate risk harder to incorporate into home-loan assessment.

Closing the climate-risk data gap

Data remains one of the central constraints on climate-risk assessment, alongside modelling and data-standardisation challenges. The proposed Reserve Bank Climate Risk Information System, or RB-CRIS, is intended to address gaps in physical-risk, transition-risk and emissions data. For physical risk, the system is intended to provide information on hazards such as floods, droughts, cyclones and sea-level rise, along with vulnerability and financial-loss data.

Better data could help financial institutions assess the climate exposure of their portfolios more consistently. But the creation of a better data system does not by itself establish how that information should affect home-loan rates, loan-to-value ratios or eligibility.

What homebuyers can do today

Insurance is one practical consideration available to a homebuyer today. The standard Bharat Griha Raksha policy covers specified perils including fire, storm, cyclone, flood, inundation, earthquake, landslide and subsidence, subject to the policy terms. Before buying, check which perils are covered, whether the sum insured reflects the realistic cost of rebuilding and whether the policy addresses risks relevant to the property's location.

For many homebuyers, price and EMI are central to the purchase decision. Climate risk introduces another consideration. Will the property remain financially manageable over the life of the loan? That does not make climate exposure a reason to reject a property by default. It makes it another factor to examine alongside affordability, location, insurance, resilience and potential repair costs.

(The author is CEO, BankBazaar. Views are personal.)