What Is the ECO4 LA Flex Scheme?

The Energy Company Obligation 4 (ECO4) is a government initiative requiring energy suppliers to help reduce carbon emissions and ease fuel poverty. ECO4 Flex, or Local Authority Flexible Eligibility (LA Flex), allows councils to broaden eligibility beyond the standard benefit-based criteria.

Under LA Flex, households that don’t receive income-related benefits—but still face high energy costs or have vulnerable residents—can qualify for funding through various routes. One of the most important of these is the health-based route.

Why Health Conditions Matter for ECO4 Flex

One of the key access points under ECO4 Flex is health eligibility. If someone in your home suffers from a long-term health condition worsened by a cold environment—such as respiratory illness or cardiovascular disease—you may qualify even if your income is above other thresholds.

This approach ensures that vulnerable households receive support, because cold, damp living conditions can dramatically worsen certain chronic conditions.

Which Medical Conditions Qualify?

The qualifying health conditions typically include:

Cardiovascular diseases (e.g., heart disease, stroke)

Respiratory illnesses (e.g., asthma, COPD)

Limited mobility issues (e.g., arthritis, physical disability limiting movement)

Immunosuppression (e.g., cancer patients, people with autoimmune disorders or on immunosuppressants)

These conditions are recognised as being particularly sensitive to cold homes. A medical professional such as a GP or NHS clinician usually needs to confirm the condition in writing.

How the Referral & Application Process Works

Here’s how to claim ECO4 Flex funding based on health need:

Step 1: Secure a Medical Referral

A GP, NHS Trust clinician, or similar professional fills out a referral letter confirming the condition and noting that living in a cold home negatively affects the patient’s health.

Step 2: Submit via Your Local Authority

The referred household must live in an area where the local council participates in LA Flex. The local authority will verify the do****ents and issue a declaration to an installer, allowing them to claim the funding.

Step 3: Assessment & Installation

An accredited installer visits your property to ****ess its Energy Performance Certificate (EPC) rating. Most councils require the home to be EPC band D, E, F, or G—depending on tenure—for eligibility.

Step 4: Energy Efficiency Measures

If approved, measures can include a new boiler, loft or cavity wall insulation, heating controls, or other improvements. The final decision and which works are funded fall to the energy supplier and installers.

Benefits of Using Health-Based LA Flex Route

No need to receive means-tested benefits — as eligibility is based on health vulnerability.

Help reaching mandatory EPC standards — homes can be brought to more efficient ratings without heavy cost.

Targeted support — those with conditions most affected by cold are prioritised.

Multiple potential upgrades — when an install is approved, several measures may be bundled.

How Simple Green Energy Can Help

Organisations like Simple Green Energy
spe****e in guiding homeowners through energy funding schemes. They offer:

A boiler grant service
to handle applications for heating upgrades, especially useful if using Health-based LA Flex or related grants.

A helpful “Do I qualify?
” eligibility checker to ****ess possible routes like ECO4 Flex, GBIS, or boiler replacement schemes.

Working with such experts can simplify paperwork, referrals, and ****essments, giving you the best chance to receive support. You can also cross-reference information on national energy supplier sites like EDF Energy
for general scheme overviews.

Quick Example: Mary’s Story

Mary, aged 67, suffers from asthma and arthritis. Though she receives no benefits, her cold, poorly insulated home worsens her breathing and mobility. Her GP writes a referral under LA Flex health eligibility citing her respiratory condition and limited mobility.

The local council issues a declaration, and an installer upgrades her heating system, installs insulation, and fits heating controls—boosting her home’s EPC from G to D.

Her home is now warmer, her asthma is easier to manage, and her heating bills drop significantly. This improvement, all with little or no out-of-pocket cost, illustrates how health-based LA Flex opens doors for households often overlooked by traditional schemes.

Summary: Steps to Access Health-Linked Energy Funding
Step What to Do
1. Check eligibility Use tools like the Do I Qualify?
page or contact your LA to see if they participate in ECO4 Flex.
2. Seek medical referral Ask your GP or NHS professional to submit a referral confirming your condition matches ECO4 Flex health criteria.
3. Contact an approved installer Choose an ECO4 LA Flex-approved installer in your local area. They will handle your application with the council.
4. Undergo ****essment The installer will conduct an EPC and eligibility ****essment. If approved, declarations are issued and upgrades begin.
5. Benefit from upgrades Receive energy efficiency measures like boilers, insulation, controls—improving health, comfort, and affordability.
Final Thoughts

If cold homes are making medical conditions worse, you may qualify for ECO4 Flex support even without claiming benefits. Health-related eligibility under LA Flex ensures vulnerable people get the help they need.

Working with professionals—from local authorities to agencies like Simple Green Energy
—can make the application process much smoother.

For more hands-on help, check out Simple Green Energy’s boiler grant service
and use their eligibility checker
to see what you may qualify for. Together, these routes can bring you a warmer, healthier home—and savings on your future energy bills.