Why do homes need insulation?
Around 35% of your home’s heating escapes through uninsulated walls, windows and doors. If your home does not have sufficient barriers against heat loss, you may experience higher bills and colder room temperatures.
There are various types of insulation to limit what is lost and leave your home feeling warmer for longer, including cavity wall, internal wall, external wall, room-in-roof and underfloor insulation.
How to know if you need internal wall insulation
Internal solid wall insulation is usually suitable and most appropriate for homes made from brick, stone or concrete.
It works by adding a layer of thermal material to the existing inside wall. For example, if your home was built before 1920, its external walls are probably solid walls rather than cavity walls. Solid walls have no gaps, so they cannot be filled with cavity wall insulation. Instead, householders can insulate their external or internal walls.
Although at times it can be more expensive, we find customers tend to see a larger saving on their energy bills.
How to work out your wall type
You can usually tell the difference between a solid wall and a cavity wall by looking at them.
A cavity wall tends to have an evenly distributed pattern with all bricks laid lengthways. Whereas, a solid wall’s brickwork tends to alternate between how bricks are laid, so it creates a less even pattern.
A cavity wall
A solid brick wall
How to insulate your internal walls
While some householders will attempt the insulation process themselves, we would always recommend hiring an insulation professional to ensure the process is carried out correctly.
With such a detailed job, if not installed correctly, it can lead to condensation and moisture problems within the walls, resulting in even higher costs. Internal wall insulation is installed by fitting rigid insulation boards to the wall, or by building a stud wall filled with insulation material such as mineral wool fiber.
Internal Wall Insulation Savings in Scotland Although savings on energy bills can vary per country and house type, 2024 data reveals that in either Scotland, England or Wales, householders can save up to £500 on energy bills after installing internal wall insulation.
What insulation funding is available to householders in Scotland?
In Scotland, you could qualify for an insulation grant from either Home Energy Scotland or the ECO4 scheme. Depending on your house type and income, funding can cover part or all your insulation costs.
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Funding Provider |
Aim of provider |
How much could you receive? |
Eligibility Criteria |
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Home Energy Scotland |
Home Energy Scotland works with a range of partners and funders to deliver services that support tackling fuel poverty and the climate crisis. |
This depends on the type of insulation required:
Solid wall insulation (external and internal): £,7500 grant funding
Room-in-roof insulation: £3,000 grant funding
Cavity/underfloor/loft: £1,500 grant funding |
You could receive funding if:
You do not need to be in receipt of benefits for the Home Energy Scotland Grant and Scheme. |
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GBIS
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Previously known as ECO+, the Great British Insulation Scheme aims to help UK householders install insulation and make homes across the country more energy-efficient and affordable. |
This depends on your qualifications and the type of insulation required. For example, you could receive free insulation. To find out what you are entitled to, take our eligibility checker and get in touch. |
You are on qualifying benefits (e.g., JSA, Income Support, Universal Credit) Or you privately rent your home and have an EPC of D or E. OR you are a homeowner and have an EPC rating of D or lower and tax band of A-E in Scotland. OR your annual household income is less than £31,000 OR you have a vulnerable household member as identified by NHS. |
To find out if you are eligible today, complete the survey below.Find out if you are eligible in 30 seconds:
What happens next?
If you have qualified, our team will be in touch with you at the earliest convenience to discuss your options.
In the meantime, why not hear from a few of our happy customers:
Green Home Systems Services
In addition to internal wall insulation, we also have 10+ years’ experience installing the following services:
About Green Home Systems
Green Home Systems was established in 2014 as a family business and has grown over the last decade to become Scotland's leading energy efficiency installer. We are experts in saving you money on your energy bills and have vast experience working with homeowners, private tenants, landlords and social housing providers to maximise your cost saving solution.