SKN | UK Flood Insurance at a Crossroads: What Flood Re’s Future Means for HNW Property Wealth

Key Takeaways:

• Lloyds Banking Group is calling for a difficult discussion between insurers and government over the future of Flood Re, the UK scheme designed to keep flood insurance affordable for eligible high-risk homes.
• Flood Re is scheduled to end in 2039, but the government is reviewing whether that timetable remains appropriate as climate risks evolve.
• For HNW property owners, the central exposure extends beyond insurance premiums to mortgageability, resale liquidity, renovation costs and the long-term value of property assets.
• Families with UK real estate should assess insurability and physical flood resilience alongside valuation, financing and succession planning.

Flood insurance is becoming a structural issue for UK property ownership rather than a routine annual expense. Lloyds Banking Group has called for a “tough conversation” between insurers and government about the future of Flood Re, the public-private scheme that helps eligible households in flood-prone areas obtain affordable cover. The scheme is scheduled to expire in 2039, but policymakers are examining whether that deadline remains appropriate as climate-related risks intensify. For internationally mobile families holding UK residential property through personal ownership, companies or trusts, the implications reach beyond premiums: insurance availability can influence financing, marketability and the resilience of an entire property portfolio.

Why Flood Re Matters to Property Wealth

Flood Re allows participating insurers to transfer the flood-risk element of eligible household policies to a government-backed reinsurance arrangement at a set price. Its purpose is to support access to affordable insurance while the market transitions toward pricing that more fully reflects property-level risk.

The scheme has provided substantial support. During the 2025/26 financial year, it covered more than 353,000 household policies, and over 742,000 properties had benefited since its launch. As of March 2026, the average home insurance quote following a flood claim was approximately £1,316, compared with around £4,400 before Flood Re.

These figures illustrate how strongly public-private risk sharing can affect the economics of owning a vulnerable property. They also highlight the uncertainty facing owners if future arrangements provide less support or place greater emphasis on individual risk.

Insurability Can Determine Whether a Property Remains Mortgageable

For a high-value property, the relevant question is not simply whether insurance can be purchased today. It is whether suitable cover will remain available at a commercially sustainable price over the holding period.

Mortgage lenders generally require appropriate buildings insurance. If cover becomes prohibitively expensive or unavailable, refinancing and future sales may become more difficult, narrowing the pool of potential buyers. A property can therefore experience a deterioration in financial utility before its market valuation fully reflects the change.

Owners should examine flood history, insurer exclusions, excesses, renewal terms and the availability of alternative cover. Where financing is involved, they should also understand the lender’s insurance requirements and the consequences of a material change in coverage.

Prepare for More Risk-Sensitive Property Assessments

Flood Re and government reforms are intended to strengthen property resilience and prepare the market for its planned transition in 2039. Proposed Flood Performance Certificates are expected to improve information about a property’s flood exposure and resilience measures, helping insurers and lenders assess risk more consistently.

For owners, documented mitigation can become an important part of asset management. Depending on the property’s circumstances, measures may include flood barriers, improved drainage, raised utilities, water-resistant materials and more resilient landscaping. Their value should be assessed against the property’s actual exposure, implementation costs and likely effect on future insurability.

Integrate Climate Exposure Into Cross-Border Wealth Planning

Families with UK property alongside Swiss custody and banking relationships should treat real estate as part of the wider balance sheet. Model higher insurance costs, resilience expenditure, lower rental income and a delayed sale. If a property supports borrowing, test whether reduced marketability or additional costs could affect refinancing and collateral assumptions.

It is equally important to distinguish policy uncertainty from an immediate loss of coverage. Flood Re remains in operation, and the government is considering the future timetable rather than announcing that support has already ended. Decisions should therefore be based on current policy terms and property-specific evidence, with regular reviews as the framework evolves.

The broader lesson is that physical climate exposure increasingly translates into financial risk through insurance, lending and resale conditions. For HNW families, preserving property wealth requires attention not only to location and valuation, but also to the infrastructure that keeps an asset insurable and usable over time.

For a confidential discussion regarding your UK property exposure, cross-border financing and long-term wealth architecture, contact our senior advisory team.