A comprehensive breakdown of which UK lenders are refusing mortgages on spray foam properties, the reasons behind these decisions, and what homeowners can do to protect their investments.
60-80% of mortgage applications on properties with spray foam insulation are now being declined. This represents a seismic shift in the UK property market, affecting hundreds of thousands of homeowners.
The spray foam insulation crisis has reached a tipping point in 2025. What began as isolated concerns from individual lenders has now evolved into industry-wide policy changes that are fundamentally altering the UK property market.
Policy: Complete ban on lending for properties with spray foam insulation applied to timber structures.
Effective: January 2025 | Impact: No mortgages, refinancing, or product transfers
Policy: Will not lend on properties where spray foam has been applied to roof spaces or timber structures.
Effective: December 2024 | Impact: All mortgage products affected
Policy: Case-by-case assessment required. Will consider lending with specialist surveys and insurance coverage.
Effective: November 2024 | Impact: Higher deposits, specialist surveys required
Policy: Requires specialist reports and evidence of insurance cover. Higher LTV restrictions apply.
Effective: January 2025 | Impact: Maximum 75% LTV, additional survey costs
Policy: Still lending but requires enhanced surveys and professional reports on spray foam condition.
Effective: October 2024 | Impact: Extended processing times, higher survey costs
The sooner you understand your property's situation, the more options you'll have. Our experts can provide a comprehensive assessment and guide you through your best course of action.