ECO4 Grants 2025
Discover all the energy efficiency grants available through the ECO4 scheme. Get free boilers, insulation, heating systems, and more with government funding.
Most Popular ECO4 Grants
These are the most requested grants that help homeowners save the most on energy bills
- Receive qualifying benefits
- Have an old, inefficient boiler
- Property EPC rating D-G
- No existing central heating
- Qualifying benefits or low income
- Homeowner or private tenant
- Solid wall construction
- No existing wall insulation
- Low income or benefits
- Replacing fossil fuel heating
- Suitable property type
- Meet ECO4 criteria
All ECO4 Grants Available
Complete list of energy efficiency grants available through the ECO4 scheme
Free Boiler Replacement Grant
Replace your old, inefficient boiler with a modern A-rated condensing boiler at no cost through ECO4 funding.
Eligibility Requirements:
- Receive qualifying benefits
- Have an old, inefficient boiler
- Property EPC rating D-G
What's Included:
- New A-rated condensing boiler
- Full installation and setup
- System upgrade and safety checks
- Manufacturer warranty included
First Time Central Heating Grant
Get a complete central heating system installed if your home doesn't currently have one.
Eligibility Requirements:
- No existing central heating
- Qualifying benefits or low income
- Homeowner or private tenant
What's Included:
- Complete heating system
- Boiler and radiators
- Pipework and controls
- Professional installation
Cavity Wall Insulation Grant
Insulate your cavity walls to reduce heat loss and improve energy efficiency.
Eligibility Requirements:
- Cavity walls without insulation
- Property built between 1920-1990
- Meet income or benefit criteria
What's Included:
- Full cavity wall insulation
- Professional assessment
- Quality installation
- 25-year guarantee
Loft Insulation Grant
Upgrade your loft insulation to reduce heat loss through your roof.
Eligibility Requirements:
- Inadequate loft insulation
- Accessible loft space
- Qualifying household income
What's Included:
- Top-up or new loft insulation
- Mineral wool or eco-friendly materials
- Professional installation
- Building regulations compliance
External Wall Insulation Grant
Insulate solid walls from the outside to dramatically improve energy efficiency.
Eligibility Requirements:
- Solid wall construction
- No existing wall insulation
- Low income or benefits
What's Included:
- External insulation system
- Weather-resistant render
- Complete installation
- Improved property appearance
Air Source Heat Pump Grant
Install a renewable air source heat pump to replace your old heating system.
Eligibility Requirements:
- Replacing fossil fuel heating
- Suitable property type
- Meet ECO4 criteria
What's Included:
- Air source heat pump unit
- Hot water cylinder upgrade
- System controls and setup
- Professional commissioning
Smart Heating Controls Grant
Install smart thermostats and heating controls to optimize your heating system.
Eligibility Requirements:
- Existing heating system
- No current smart controls
- Qualifying household
What's Included:
- Smart thermostat
- Wireless controls
- Zone control valves
- Installation and setup
Back Boiler Replacement Grant
Replace outdated back boilers with modern, efficient heating systems.
Eligibility Requirements:
- Existing back boiler system
- Qualifying benefits
- Property suitability
What's Included:
- New combi or system boiler
- Removal of old back boiler
- System upgrade and cleanup
- Full installation warranty
How to Apply for ECO4 Grants
Our simple 3-step process makes it easy to access ECO4 grants for your home
Check Eligibility
Complete our quick online form to see which ECO4 grants you qualify for.
Property Assessment
Our certified assessor visits your home to identify the best energy efficiency measures.
Free Installation
Professional installation of all approved measures at no cost to you.
Step 1 of 4
ECO4 Grants FAQ
Frequently asked questions about ECO4 grants and funding
ECO4 grants include free boiler replacements, first-time central heating, cavity wall insulation, loft insulation, external wall insulation, air source heat pumps, and smart heating controls.
Savings vary by measure but typically range from £150-800 annually on energy bills, with some households saving over £1,000 per year when multiple measures are installed.
Yes, all ECO4 grants are 100% funded by energy companies through government obligations. There are no upfront costs or hidden charges for eligible households.
Yes, many households qualify for multiple measures such as a new boiler plus insulation. Our assessment will identify all available grants for your property.
Need help choosing the right grants for your home?
Ready to Apply for ECO4 Grants?
Don't miss out on thousands of pounds worth of free energy efficiency improvements. Check your eligibility today and start saving on your energy bills.