Fake Window Replacement Grant Scam in the United Kingdom
In the UK, this scam exploits public awareness of real government-backed energy efficiency schemes, using their names to convince homeowners that free or subsidized window replacement is available.
Part of: Fake Window Replacement Grant Scam
Last reviewed: 5 July 2026
The United Kingdom runs genuine energy efficiency programs that fund insulation and some home upgrades for eligible households, and that gives this scam a ready-made backdrop of legitimacy. Cold callers or doorstep reps promise free double or triple glazing under a vaguely named government scheme, mirror real eligibility language about age, benefits, or property type, then reveal at the home visit that a co-payment or survey fee is due upfront, often the full retail price in disguise. The distinction that matters most is verifiability: genuine schemes carry official reference numbers and accredited installers you can check independently before signing anything.
How this scam works on the United Kingdom
Cold callers or door-to-door reps tell homeowners they qualify for 'free' double or triple glazing under a government energy scheme, often naming or vaguely referencing legitimate-sounding efficiency initiatives without ever producing an official scheme reference number. They typically claim eligibility is based on the homeowner's age, benefits status, or property type, mirroring the actual eligibility language used by real efficiency programs to sound credible.
Once the homeowner agrees to a home visit, the salesperson reveals that while 'the grant covers most of the cost,' a co-payment, survey fee, or installation charge is required upfront, which in reality represents the full retail price of the windows or more. Because the homeowner believes a real government subsidy is involved, they often skip the due diligence they would apply to an ordinary sales pitch, and any resulting contract typically has none of the protections or verifiable installer accreditation that genuine scheme-approved installers must carry.
Common red flags
- Caller references a government energy scheme but cannot provide a specific scheme reference or written documentation
- Claim that windows are 'free' but a co-payment or survey fee is required upfront
- No independent way offered to verify the company is an approved installer under any real scheme
- High-pressure door-to-door or cold-call tactics rather than a homeowner-initiated application
- Installer cannot produce accreditation or certification numbers that can be checked against an official register
- Requests for payment before any survey, paperwork, or grant confirmation has been provided in writing
How to protect yourself
- Contact your local council or the official energy efficiency scheme directly to verify eligibility and approved installers, rather than relying on the caller's claims
- Never agree to same-visit payment for a scheme you have not independently verified
- Ask for the installer's accreditation number and check it against the relevant official register
- Get the grant claim and payment terms in writing before making any decision
- Be especially cautious of unsolicited doorstep or cold-call offers, since genuine schemes rarely operate this way
- Consult Citizens Advice or a local trading standards office if unsure whether an offer is genuine
How to report it
- Report the company to Trading Standards via the Citizens Advice consumer service
- Report suspected fraud to Action Fraud, the UK's national fraud and cybercrime reporting centre
- Notify the relevant energy scheme administrator directly if a company falsely claimed affiliation
- Warn neighbors, especially elderly residents, who are frequently targeted by doorstep versions of this scam
Frequently asked questions
How do I find out if my address genuinely qualifies for an energy efficiency grant?
Contact your local council or check the official government website directly for the specific scheme, rather than relying on anything a cold caller tells you. Eligibility criteria and approved installer lists are published by the scheme administrators themselves and can be checked independently.
Can I cancel a window contract I signed during a doorstep sales visit?
UK consumer law generally provides cancellation rights for contracts agreed away from a trader's usual place of business, such as a doorstep sale. Check the specific cancellation rights that should have been given to you in writing, and contact Citizens Advice if they weren't provided.
Are older homeowners specifically targeted by this scam, and what can family help with?
Doorstep and cold-call scams like this often do target older residents, who may be more likely to be home during the day and less likely to independently verify a grant claim online. Family members can help by discussing any offer together before money changes hands and registering the household with a call-blocking service.
Are there real government-backed window or insulation grants in the UK?
Yes, genuine energy efficiency schemes do exist and can fund certain home upgrades for eligible households, but eligibility and approved installers should always be confirmed directly with the official scheme administrator or your local council, never taken on the word of a cold caller.
What should I do if I've already paid a deposit under a false grant claim?
Contact your bank or card provider to ask about reversing the payment, report the company to Action Fraud, and get advice from Citizens Advice on your consumer rights and cancellation options.