How to Apply for a Government Boiler Grant?

Replacing a boiler is pricey. But if you have an old, malfunctioning, or inefficient boiler you can’t do without, you may not have an option.

For these situations, the UK government is providing a free boiler grant under the ECO4 scheme.

So, some people are able to acquire a new energy-efficient boiler without spending a penny. 

But how do you actually apply for the free boiler scheme? Is it complicated? And do you qualify? 

In the guide below, we’ll walk you through the step-by-step process of how to apply for a government boiler grant.

We’ll also discuss the eligibility criteria, what you need, and how long the whole process usually lasts. So let’s begin. 

What Is a Government Boiler Grant? 

The government boiler grant is included in the ECO4 scheme (Energy Company Obligation).

The programme was established to help poor households and people in fuel poverty.

It enables them to exchange outdated and ineffective boilers with new ones at no cost to them. 

The goal is simple: 

• Help people stay warm. 
• Lower energy bills. 
• Cut down on carbon emissions. 

Big energy companies like British Gas, EDF, and others fund this scheme. They are required by law to help people improve their home’s energy efficiency. 

Who Can Get a Boiler Grant? 

Not everyone can apply. The scheme is mainly for people with low incomes or those receiving certain government benefits. 

Here are the basic rules: 

You Might Qualify If: 

• You own your home or rent from a private landlord. 
• Your boiler is old or broken (usually 20+ years old). 
• The EPC rating of your home is below D. 
• You get one or more of these benefits: 
  • Universal Credit 
  • Pension Credit 
  • Income Support 
  • Housing Benefit 
  • Jobseeker’s Allowance (JSA) 
  • Employment and Support Allowance (ESA) 
  • Working Tax Credit 
  • Child Tax Credit 

Even if you don’t get benefits, you may still qualify under “flexible eligibility” rules set by your local council. It’s worth checking. 

What Kind of Boilers Are Covered? 

The grant usually helps replace: 

• Gas boilers that are old or not working well. 
• In some cases, oil or LPG boilers may also be replaced. 

You’ll usually get a modern condensing boiler. These are much more energy-efficient and safer. 

You might also get other upgrades like: 

• Free insulation (loft or wall) 
• Smart heating controls 

Step-by-Step: How to Apply for a Government Boiler Grant 

Let’s break it down into simple steps. 

Step 1: Check If You Qualify 

Start by checking if you meet the rules. 

Ask yourself: 

• Do I own or privately rent my home? 
• Is my current boiler 8+ years old or faulty? 
• Do I get one of the listed benefits? 

You can use free online eligibility checkers from trusted ECO companies. These take 2–3 minutes and don’t ask for payment. 

Step 2: Find a Trustworthy ECO Installer 

Next, you need to find a company that works with the ECO4 scheme. These are often called ECO-approved installers or Gas Safe registered companies. 

Here’s what to look for: 

• They should be Gas Safe registered. 
• They must offer free eligibility checks. 
• They should handle the full application for you. 
• Look for reviews or ratings to make sure they are reliable. 

Step 3: Book a Free Home Survey 

If the installer thinks you’re eligible, they’ll book a free home energy survey. 

This is a quick visit from an engineer to: 

• Check the condition of your current boiler 
• Look at your home’s insulation 
• Make sure your property meets ECO4 requirements 

It usually takes 30–60 minutes. You don’t need to prepare anything special. 

Step 4: Confirm the Grant 

If your home and boiler qualify, the installer will confirm the grant. They’ll let you know: 

• What kind of new boiler will you get
• If you also get free insulation 
• When the work can be done 

There is no cost to you, unless your home needs extra work that’s not covered. But in most cases, the boiler and fittings are 100% free. 

Step 5: Book the Installation 

Once everything’s approved, they’ll book a date to install your new boiler. This is usually within 2–4 weeks after the survey. 

The installation takes one day in most cases. The engineer will: 

• Remove the old boiler 
• Fit the new one 
• Check it’s working properly 
• Show you how to use it 

You’ll also get paperwork for the warranty and energy efficiency rating. 

Do I Have to Pay Anything? 

In most cases, no. The grant covers: 

• The new boiler 
• Installation costs 
• Disposal of the old unit 
• Safety checks 
• Any insulation (if included) 

Some people might have to make a small contribution if extra work is needed (like extra pipework), but this is rare. 

Always ask your installer to confirm this before work begins. 

What Happens If I Don’t Qualify? 

If you don’t meet the rules for ECO4, don’t worry. You still have some options: 

• Check with your local council – Some have their own schemes. 
• Look into flexible eligibility – You might still get help based on your income or health. 
• Look at boiler finance plans – Some companies offer monthly payments. 

Try other grants, like the Boiler Upgrade Scheme (for heat pumps). 

Tips for a Smooth Application 

Here are a few quick tips to make things easier: 

• Have proof of your benefits ready. 
• Know the age of your current boiler if possible. 
• Only deal with trusted ECO installers. 
• Don’t pay upfront for anything unless explained clearly. 
• Keep a copy of all emails and documents. 

Why It’s Worth Applying 

If you’re unsure about applying, here are a few reasons why you should: 

• You could save up to £520 a year on energy bills. 
• A new boiler is safer, especially if your old one is leaking or faulty. 
• Your home will feel warmer and more comfortable. 
• It’s free – no big upfront cost needed. 
• It’s better for the planet – less energy waste. 

The Bottom Line  

Applying for a government boiler grant might sound complicated, but it’s actually very simple.

If you qualify, you could get a brand-new, energy-efficient boiler installed in your home for free — including options through oil fired boiler replacement grants.

By following these five clear steps — checking eligibility, finding an approved installer, booking a survey, applying, and installing — you can soon enjoy a new, efficient boiler at little or no cost.

With rising energy prices, there’s never been a better time to upgrade.

So why wait? Contact Grant Boilers today, and let us help you through the process.