Get Free ECO4 & GBIS Grants for a Warmer, Greener Home

At Marigold Insulation, we help homeowners across the UK access fully funded ECO4 and GBIS grants for insulation, heating upgrades, and renewable energy solutions. Our team manages everything — from the first application to final installation — so you can enjoy lower energy bills, lasting warmth, and a smaller carbon footprint. All at no cost if you qualify.

Trustpilot

4.8+ Reviews

Website

4.8+ Reviews

Google

4.8+ Reviews

Check Eligibility – Quick & Free

Quick form to check your ECO4 or GBIS eligibility.

Free Energy Grants

Access ECO4 and GBIS funding for insulation, heating, and renewable upgrades — all completely free.

Hassle-Free Process

We handle everything from start to finish, making your upgrade simple, quick, and worry-free.

Save & Stay Warm

Lower your energy bills while keeping your home warmer and reducing your carbon footprint.

Committed to Warmer, Greener Homes

About Marigold Insulation

At Marigold Insulation, we help homeowners across England, Scotland, and Wales unlock ECO4 and GBIS grants for essential energy-saving upgrades. From insulation to heating systems, every step is handled with care, expertise, and transparency. Our mission is simple — to make homes warmer, bills smaller, and lives more comfortable, all at no cost if you qualify.

Warmer, Greener, More Efficient Homes

We make homes warmer, greener, and more efficient.

Each project we deliver blends energy efficiency with thoughtful craftsmanship — creating spaces that feel cosier, perform better, and stand ready for the future. With expert installation and genuine care, Marigold Insulation turns every home into a model of comfort and sustainability.

2500+

Happy Clients

78+

Skilled Installers

14+

Years in Service

3500+

Properties Installed

Our ECO4 & GBIS Services

Smart Energy Upgrades, Expertly Delivered

At Marigold Insulation, we help homeowners and tenants across the UK access fully funded home energy upgrades through the ECO4 and GBIS schemes. From insulation and modern boilers to renewable heating systems, every service is designed to lower bills, improve comfort, and create a more sustainable home — all at no cost if you qualify.

Free Boiler Replacement

Replace your old boiler with a modern, energy-efficient model that reduces emissions and lowers heating bills. Our certified installers handle everything from approval to installation, ensuring a seamless experience for qualifying households.

First-Time Central Heating Grant

Get a complete central heating system installed – including boiler, radiators, and pipework – for the first time. This upgrade ensures consistent warmth, hot water throughout your home, and improved energy efficiency.

Air Source Heat Pump Grant

Harness heat from the air to warm your home efficiently with an air source heat pump. With grants of up to £7,500 available, this renewable heating option can be a cost-effective solution, especially when paired with good insulation.

Insulation Grants

Keep the heat in and the cold out with professionally installed loft, cavity wall, or solid wall insulation. These upgrades not only improve comfort but also boost your EPC rating and reduce energy costs – all funded through ECO4 and GBIS.

ECO4 Grant Eligibility Criteria

Simple Steps to a Smarter, Warmer Home

See if your home qualifies for free energy-efficient upgrades under the ECO4 scheme. If eligible, you could receive full funding for insulation, heating, or renewable energy improvements — making your home warmer, greener, and more affordable to run.

You may be eligible if:

Your boiler was installed before 2005
You receive one or more of the following UK Government benefits:
Income-Based Jobseeker’s Allowance (JSA)
Income-Related Employment & Support Allowance (ESA)
Income Support (IS)
Working Tax Credit (WTC)
Child Tax Credit (CTC)
Universal Credit (UC)
Pension Guarantee Credit
Pension Savings Credit
Child Benefit
Housing Benefit

Why Choose Us?

Your Comfort, Our Commitment

At Marigold Insulation, we believe energy upgrades should be effortless and transparent. That’s why we manage every step — from eligibility checks to final installation — with honesty, precision, and care. Our fully funded solutions help you create a warmer, greener home without the stress or the cost.

Eligibility Survey

Check your ECO4 eligibility in under a minute—fast, simple, and stress-free.

Easy Application

Apply in just 60 seconds; we manage from approval to installation.

Fully Funded Grants

100% UK Government-funded upgrades for insulation, heating, and more.

Energy Efficiency

Lower bills, cut carbon, and enjoy year-round comfort with our solutions.

Transparency

Clear process, honest advice, and no hidden costs—ever.

Nationwide Access

Serving eligible homes across England, Scotland, and Wales.

Our Certifications and Awards

Recognized for Quality and Trust

Excellence isn’t just our goal — it’s our standard. Marigold Insulation is proud to hold industry-recognized certifications and awards that reflect our commitment to quality, safety, and sustainability. Every project we deliver meets the highest professional standards, giving our clients complete confidence in the work we do.

ECO4 Government Funded Grant Scheme

Funded Support for a Warmer, Smarter Home

The ECO4 scheme is designed to help low-income households enjoy warmer winters, lower energy bills, and a more efficient home. Eligible homeowners can receive fully funded upgrades for insulation, heating, and energy systems — making comfort and savings accessible to everyone. If you receive qualifying government benefits, now’s the time to apply and upgrade your home for free.

Lower Costs

Higher Efficiency

Warmer Winters

Property Value

Speak to Someone Who Knows Homes Best

Find Out If You Qualify — Instantly by Phone

Skip the forms — talk directly to a real expert who’ll guide you through the process in minutes. Whether you’re curious about eligibility or ready to apply, our friendly team is here to help you make your home warmer, greener, and more efficient — starting right now.

ECO4 Scheme UK

The Government ECO4 Scheme is a nationwide initiative across the United Kingdom designed to help low-income households improve energy efficiency, lower carbon emissions, and reduce rising energy costs. Through the ECO4 Government-Funded Grant, eligible households receiving qualifying benefits and having an EPC rating of D or below can access free home upgrades, including modern energy-efficient heating systems and insulation measures. This scheme aims to make homes warmer, greener, and more affordable to heat — ensuring comfort during the coldest months while cutting down on utility bills.

ECO4 Scheme UK

Real Stories. Real Results.

What Homeowners Say About Marigold Insulation

Marigold Insulation made everything effortless. From application to installation, their team handled it all with care and precision. My home feels warmer.

Hassan Malik

Birmingham

The process was quick and transparent. They explained the ECO4 Scheme clearly and took care of every detail. Couldn’t ask for a smoother experience.

Faisal Qureshi

Nottingham

Professional, punctual, and reliable — the installation team did a fantastic job. I’m already seeing a difference in comfort and efficiency.

Rizwan Ahmed

Nottingham