Internal Walls Insulation.
Government-Backed Internal Wall Insulation Grants Available Now
Unlock government grants to install internal wall insulation, improve your home’s energy efficiency, and lower your heating bills. Create a warmer, more comfortable living space, boost your EPC rating, and increase your property’s value. Check your eligibility today!


Why Internal Wall Insulation?
Significantly reduce your energy bills with internal wall insulation.
By filling in any gaps, cracks, or holes on your home’s interior and exterior walls, you can significantly reduce the amount of heat that escapes through the building’s structure. These small openings, often found around windows, doors, and where pipes or cables enter your home, may seem minor, but they can allow warm air to leak out and cold air to seep in, making your heating system work much harder.
Sealing these areas properly helps to create a more energy-efficient living space by improving insulation and reducing drafts. As a result, you’ll not only lower your energy bills and reduce wasted energy, but you’ll also enjoy a warmer, more comfortable home environment for you and your family all year round.
To be eligible you must:
To be eligible you must own or rent your home and be in receipt of a qualifying benefit,
Our 3 Step Hassle Free Process:
- If you think you qualify for 100% cost covered ECO4 grants, simply fill in our form and a member of our team will be in touch within 24 hours to discuss your requirements.
- Once we have confirmed your eligibility we will arrange for an approved energy surveyor to assess your property free of charge.
- We will then submit your grant qualification on your behalf and arrange for work to begin on your property within 14 days. That’s it – you get a warmer home and lower bills!
Check if you’re eligible
To be eligible you must:
To be eligible you must own or rent your home and be in receipt of a qualifying benefit,
Our 3 Step Hassle Free Process:
- If you think you qualify for 100% cost covered ECO4 grants, simply fill in our form and a member of our team will be in touch within 24 hours to discuss your requirements.
- Once we have confirmed your eligibility we will arrange for an approved energy surveyor to assess your property free of charge.
- We will then submit your grant qualification on your behalf and arrange for work to begin on your property within 14 days. That’s it – you get a warmer home and lower bills!
Check if you’re eligible
How much can I save from installing Internal Wall Insulation?
The Numbers
Here’s how much a typical installation could cost you, how much you could save on your energy bill (£/year), as well as how many kilograms of CO2 emissions you could save each year by insulating an uninsulated loft with 270mm of loft insulation.

Frequently Asked Questions
Find out more about Internal Walls Insulation.
Get a break on your taxes when you make an investment in energy efficiency.
The government’s 0% VAT on energy-saving installations is available until March 2027. Combining internal wall insulation with loft insulation or room in roof insulation creates comprehensive home efficiency while maximising your installation savings. When multiple insulation measures work together, your home achieves better thermal performance and reduced energy bills. Get started today.







