Spray Foam Installed Under a Grant? What It Means

Key Takeaways

The Green Homes Grant (2020–2021) and ECO schemes funded spray foam in tens of thousands of UK homes.
Grant installation does not exempt your property from lender mortgage restrictions.
The government is pressing lenders to be more flexible with grant-installed homes — but as of June 2026, this has not produced a binding policy change.
The government will not fund removal — costs fall to the homeowner.
Documenting that the foam was grant-installed may support your case with some brokers/lenders at the margin.
The GBIS referral service closed 31 March 2026.

How to Tell If Your Foam Was Grant-Installed

The most common routes for grant-funded foam installation in UK homes:

Green Homes Grant (September 2020 – March 2021): Homeowners in England received vouchers (up to £5,000, or £10,000 for low-income households) to fund energy efficiency improvements, including spray foam insulation. If you received a Green Homes Grant voucher and had foam installed during this period, it is grant-funded.

ECO (Energy Company Obligation): Energy companies have been obligated to fund insulation improvements in eligible properties (primarily lower-income households and those in older, less energy-efficient homes) for many years. ECO3 and ECO4 have run through the early 2020s. If your foam was installed free of charge and you were in a qualifying household, it is likely ECO-funded.

To confirm: check paperwork from the original installation. Look for reference to a government scheme, a Trustmark-registered installer, or any documentation referring to voucher or grant funding. Contact your energy supplier if you believe ECO may have funded it.

Why Grant Origin Doesn’t Exempt You From Lender Issues

This is the source of genuine frustration for many homeowners. The government encouraged — and funded — the installation of spray foam. When the mortgage crisis emerged, that government funding did not translate into any protection or exemption from lender restrictions.

The reason is straightforward: lender restrictions are based on the surveyor’s inability to inspect the timber, and on concerns about moisture trapping and structural risk. These concerns exist regardless of how or why the foam was installed. A surveyor cannot see through grant-installed foam any more than privately purchased foam. The lender’s risk assessment does not change based on the installation route.

The Government’s Stance (as of June 2026)

The UK government is aware of the problem it has contributed to, and has taken several positions:

Pressing lenders for flexibility. Government has communicated to mortgage lenders that it expects them to take a more accommodating approach to homes where foam was installed under government-backed schemes. This is a political pressure rather than a regulatory requirement.

Not funding removal. Government has been explicit that it will not fund spray foam removal. Homeowners who received foam under a grant scheme are expected to fund removal themselves.

Noting grant origin for advocacy purposes. Documentation that the foam was grant-installed — particularly under the Green Homes Grant — may support advocacy efforts and may be relevant if lender flexibility increases. Some brokers report that noting grant origin is useful context when approaching sympathetic lenders.

Ongoing policy engagement. The issue is subject to ongoing parliamentary and policy attention. See relevant House of Commons Library research (commonslibrary.parliament.uk) and the Homeowners Alliance’s continued coverage for the most current developments.

What to Do If You Had Grant-Installed Foam

Step 1 — Document the installation. Gather any paperwork, emails, or records confirming the installation was grant-funded. Note the scheme name, the installer, and the approximate date.

Step 2 — Commission an independent PCA-protocol inspection. The starting point is always the same: establish the objective condition of the roof independently of how or why the foam was installed.

Step 3 — Consult a specialist mortgage broker. Present the inspection report and the documentation of grant installation. The broker will know which lenders are currently most sympathetic to grant-installed cases — and whether grant origin is currently making any practical difference.

Step 4 — Plan for removal if necessary. If your lender requires it, budget for professional removal plus RICS certification. Grant origin does not reduce this cost; it remains the homeowner’s responsibility.

The Bottom Line

Grant-installed foam is a genuinely unfair situation: homeowners acted on government encouragement and now bear the cost of resolving the consequences themselves. That unfairness is real — but the practical path forward is unchanged. Inspect first, broker second, remove and certify if required.

Book an independent inspection to understand your position, or request a removal quote.

This is general information, not financial advice — please consult a qualified mortgage broker about your circumstances.

Spray Foam Installed Under a Government Grant? What It Means (2026)