Why Was My ECO4 Boiler Grant Application Rejected and What Can I Do Next?
If your ECO4 boiler grant application was rejected, this guide explains the most common reasons, how to check your eligibility, and what steps to take next. Learn how to avoid mistakes, verify your installer, and reapply with confidence.

Why Was My ECO4 Boiler Grant Application Rejected and What Can I Do Next?
If your ECO4 boiler grant application was rejected, you’re not alone. Many UK homeowners and tenants find the process confusing and frustrating, especially when the reasons for rejection aren’t clear. This guide breaks down the most common causes for rejection, explains how the ECO4 scheme works, and gives you practical steps to check your eligibility and reapply with confidence.
- Understand the main reasons ECO4 boiler grant applications are declined.
- Learn the exact eligibility criteria for ECO4 and LA Flex schemes.
- Get step-by-step advice on what to do next and how to avoid common pitfalls.
Understanding the Core of ECO4 Boiler Grant Rejections
The ECO4 scheme is a government-backed initiative designed to help low-income and vulnerable households improve their home’s energy efficiency, primarily by upgrading old or inefficient boilers and insulation. The scheme is funded by major energy suppliers and aims to reduce carbon emissions and tackle fuel poverty across the UK [1][3]. However, strict eligibility rules mean that not everyone will qualify, and even small errors in your application can lead to rejection.
Common reasons for ECO4 boiler grant application rejection include:
- Not receiving a qualifying benefit or not meeting LA Flex income criteria.
- Household income above the set threshold (usually £31,000 for LA Flex).
- Your property’s Energy Performance Certificate (EPC) rating is too high (A, B, or C).
- Incomplete or inaccurate information in your application.
- Your home is not privately owned or privately rented (social housing is generally excluded).
Understanding these criteria is crucial before reapplying or appealing a decision [1][3].
A Step-by-Step Guide to Check Your Eligibility
- Check Your Benefit Status
You or someone in your household must receive a qualifying benefit. These typically include Universal Credit, Pension Credit, Income Support, Child Tax Credit, Working Tax Credit, Housing Benefit, and others [3]. - Review Your Household Income
For LA Flex (Local Authority Flexible Eligibility), your total household income must usually be below £31,000 per year [1]. - Confirm Property Ownership or Tenancy
ECO4 grants are available to homeowners and private tenants. Social housing tenants are generally not eligible unless the property has a very low EPC rating and is included in a local authority delivery scheme [3]. - Check Your EPC Rating
Your property must have an EPC rating of D, E, F, or G. Homes rated A, B, or C are not eligible for boiler upgrades under ECO4 [1][3]. - Ensure Accurate Application Details
Double-check all information before submitting. Errors or missing documents are a common reason for rejection [1].
The Typical Application Journey Explained
- Initial Application & Eligibility Check
Submit your details through a trusted provider like applyfreeboiler.co.uk/apply. Your eligibility will be assessed based on the latest ECO4 or LA Flex criteria [1][3]. - Free Home Survey & Assessment
If you pass the initial check, a qualified surveyor will visit your home to confirm your eligibility and assess which energy efficiency measures are suitable [1]. - Installation of Measures
If approved, a TrustMark-accredited installer will carry out the boiler replacement or other upgrades at no cost to you [1][3].
A Crucial Trust Signal: How to Verify Your Installer and Avoid Scams
To protect yourself and your home, always ensure your installer is TrustMark accredited. TrustMark is the only government-endorsed quality scheme for energy efficiency work in the UK [3]. Here’s how to stay safe:
- Ask for the installer’s TrustMark registration number and check it on the TrustMark website.
- Never pay upfront fees for the grant application itself—legitimate ECO4 grants do not require this.
- Be wary of high-pressure sales tactics or being asked to sign contracts on the spot.
- If the installer cannot provide official credentials or is vague about their company details, walk away.
Frequently Asked Questions (FAQ)
- Why was my ECO4 boiler grant application rejected?
- Most rejections are due to not meeting benefit, income, or EPC criteria, or because of incomplete or inaccurate application details [1][3].
- Can I reapply if my application was rejected?
- Yes, you can reapply if your circumstances change or if you can provide additional evidence to meet the eligibility criteria [3].
- What benefits qualify for ECO4 boiler grants?
- Qualifying benefits include Universal Credit, Pension Credit, Income Support, Child Tax Credit, Working Tax Credit, and Housing Benefit [3].
- Is there an income cap for ECO4 or LA Flex?
- Yes, for LA Flex, the household income cap is typically £31,000 per year [1].
- How do I check my property’s EPC rating?
- You can find your EPC rating on the government’s EPC register or ask your installer to check during the survey [3].
Conclusion and Your Next Step
Understanding why your ECO4 boiler grant application was rejected is the first step to a successful reapplication. Double-check your eligibility, ensure all details are correct, and always use a TrustMark-accredited installer. Ready to see if you qualify? Use our quick and free online eligibility checker now to get an instant answer.