Internal Solid Wall Insulation Grants Scotland
Find out if you are eligible for an ECO4 Solid wall insulation grant
Enter a few details and we can check your property’s eligibility for 100% free internal solid wall insulation grant in Scotland. Reducing heat loss through your walls can reduce energy bills by up to 35%











Free Internal Solid Wall Insulation Grants in Scotland
Are you struggling with high energy bills and a home that’s difficult to keep warm? If your property has solid walls and you live in Scotland, the ECO4 scheme might be the solution you’ve been searching for. ECO grants provide 100% funding for energy efficiency improvements like free solid internal wall insulation, heat pumps and solar panels.
Internal wall insulation (IWI) involves installing insulation on the inside of your home’s external solid walls. It is designed for properties with solid stone or brick walls, which tend to lose more heat compared to cavity walls. Fitting insulation internally means you can prevent heat from escaping, keeping your home warmer for longer.
What are the benefits of solid wall insulation
- Lower Energy Bills: Save on heating costs by reducing heat loss
- Increased Comfort: Enjoy a warmer, more energy-efficient home year-round
- Reduced Carbon Footprint: Lower your household’s energy consumption, contributing to a greener Scotland
- Cost-Effective Upgrade: With ECO4 grant funding, you can install internal wall insulation on your solid walls at little or no cost.
What is the ECO4 Grant Scheme?
The Energy Company Obligation (ECO) is a Government program, designed to lower energy bills, particularly for low-income and vulnerable households. Now in its fourth phase, ECO4 focuses on tackling fuel poverty and helping households in Scotland and across the UK make their homes more energy-efficient.
With ECO4 grants, in Scotland, eligible households can receive funding for essential upgrades such as internal wall insulation. This not only makes your home more comfortable but also reduces energy usage and costs.

How Does The ECO Scheme Work?
100% free grant funding for home energy efficiency improvements is now available in Scotland. If you live in a Scottish postcode, and you or someone who lives with you claims a means tested benefit, you may be entitled to an ECO grant for the following energy saving measures:
- Solar Panels
- Room-in-roof insulation
- Air source heat pump
- Cavity wall insulation
- Solid wall insulation
- Loft insulation
- New central heating
- Heating controls
- Accredited Installers
- 100% Free Grants
- 25 Year Guarantee
- Lower Energy Bills
- Improved Energy Score
- Added Property Value
- Easy Application Process
- Start To End Support
Free Solid wall insulation grants In Scotland
How do I apply for an internal wall insulation grant?
Getting a solid wall insulation grant in Scotland is easy. ECO Scotland work directly with installers and funders. We take care of all the paperwork and applications. All home surveys are free and you don’t have to do anything other than arrange a time for us to assess your home.
Step
01
Check Eligibility
Fill in a few details regarding you and your property to see if you may be eligible for an ECO4 wall insulation grant
Step
02
Arrange a home survey
If you are eligible one of our accredited energy assessors will contact you to arrange a free home survey.
Step
03
Free installation
We fit your solid wall insulation and claim the grant from our ECO funder. Your walls will be skimmed with new plaster and are left ready to paint.
How is internal wall insulation installed?
The process begins with an assessment of the property, where a professional surveyor evaluates the condition of your walls and identifies the most suitable type of insulation. Once the assessment is complete and the appropriate materials are chosen, the work can begin.
nstallation involves fixing a frame and rigid insulation boards to the inside of your external walls. These layers are then covered with plasterboard, ready for decoration.
Before installation, existing fixtures like skirting boards, sockets, and radiators may need to be temporarily removed enable a smoth install. The entire process is carried out with minimal disruption, and professional installers take care to seal gaps and ensure an airtight fit, maximizing the insulation’s effectiveness.
After the installation, your home will not only retain heat better but also offer improved comfort and a fresh interior finish.
Professional installers ensure a clean and efficient process, leaving you with a warmer, more energy-efficient home.
What other grants does ECO4 cover in Scotland?
FREE Solar Panels
ECO4 offers grants for free solar panels in Scotland. Solar PV is a popular renewable energy product which enables you to generate your own cheap, green electricity and save up to 70% on electric bills.

FREE Heating Upgrades
Replace your inefficient and expensive electric heating, LPG or oil boiler with an air source heat pump free of charge. ECO grants cover the complete cost of a new air source central heating system including radiators, pipework and modern heating controls.

FREE Insulation Grants
Make your home warmer and more energy-efficient. Through the UK’s ECO4 scheme, eligible Scottish households can receive free cavity & solid wall insulation, loft and room in roof insulation.
Effective home insulation stops heat escaping through your roof and walls. This means huge savings because your heating can be turned down or switched off for longer.

Why Choose Us For An ECO4 Grant in Scotland?
We are Experienced
We have worked under the government-backed Energy Company Obligation (ECO) scheme since it first began. With decades of experience we can lead and guide you through the whole process of improving your home’s energy efficiency.
- Extensive Experience: With a deep background in the ECO scheme, we’re skilled at maximizing energy efficiency in even the most challenging properties, bringing benefits to homeowners.
- Swift ECO Eligibility Check: We prioritize quickly determining your eligibility, allowing us to focus on enhancing heating efficiency measures in your home without delay.
- Comprehensive Property Assessments: Our expert installers conduct thorough evaluations to ensure your home receives the most effective energy efficiency improvements.
- Seamless Process: From initial eligibility checks and energy assessments to final installation and paperwork, we handle every detail, making the experience smooth and stress-free for you.
Fully Accredited
ECO4 is administered by OFGEM and regulated by Trustmark for assurance of workmanship. All stages of your ECO journey, from initial home energy survey to install, are carried out by experienced and accredited professionals.
ECO4 Eligibility Benefits
- Income-based Jobseekers Allowance (JSA)
- Income related Employment and Support Allowance (ESA)
- Income Support (IS)
- Pension Credit Guarantee Credit (PCGC)
- Working Tax Credit (WTC)
- Child Tax Credit (CTC)
- Universal Credit (UC)
- Housing Benefit
- Pension Credit Savings Credit (PCSC)
- Child Benefit (with conditions)
Internal Solid Wall Insulation Grants in Scotland - FAQ's
What is internal wall insulation?
Internal wall insulation is a method of insulating a house that has been constructed using solid brick (ie with no cavity), or traditional stone.
Rigid insulation boards or rockwool insulation is fitted to your exterior walls on the inside. They are then covered with plasterboard ansd skimmed, leaving a fresh look ready for decorating.
Will solid wall insulation save me money on energy bills?
Yes. Around 50% of heat loss in solid built properties in Scotland is lost through heat escaping out the exterior walls. External walls make up the majority of surface area in any property and should be insulated correctly.
Internal wall insulation will substantially reduce the amount of heat your boiler or heaters create escaping through your walls. This means your heating system can be on for less ime or turned down to a lower temperature. In turn this saves you money on heating bills and reduces the amount of harmful carbon emissions released into the outside environment.
Are solid wall insulation grants in Scotland completely free?
Yes. The ECO4 Scheme provides completely free internal solid wall insulation grants in Scotland. ECO grants are non-repayable and are part of the government’s international commitment to reduce carbon emissions.
Are you eligible for a solid wall insulation grant in Scotland?
Internal solid wall insulation grants are free in Scotland through the ECO4 scheme. Properties must have a low energy rating and be off the gas grid to be eligible. In addition, a member of the houshold must claim a means-tested benefit.
