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Internal Wall Insulation
Internal wall insulation is a highly effective way to improve the energy efficiency of solid-wall properties. By adding insulation boards or stud walls to the inside of external walls, it helps prevent heat from escaping—making your home warmer and more cost-effective to run. Through the ECO4 scheme, eligible households can receive this upgrade fully funded, reducing energy bills without the need for major structural changes
This type of insulation is ideal for older homes that don’t have cavity walls and often suffer from high heat loss. Our expert installers ensure a clean, professional finish that enhances comfort while maintaining your home’s appearance. If you’re eligible under ECO4, you can benefit from a free installation and start saving straight away.
- High Thermal Performance – Reduces heat loss and boosts energy efficiency across your home.
- Professional Finish – Installed to a high standard, maintaining your home’s interior appearance.
- ECO4 Funded – Fully covered by the government grant for eligible households—no upfront costs.
What is internal wall insulation?
Internal wall insulation involves adding insulating materials to the inside of your home’s external walls to reduce heat loss and improve energy efficiency.
Am I eligible for free internal wall insulation under ECO4?
You may qualify if you meet certain income or benefit criteria and live in a property suitable for insulation, such as one with solid walls.
Will internal wall insulation affect the look of my home?
The insulation is applied internally and finished professionally, with minimal visual impact and no changes to the external appearance of your property.
How much energy can I save with internal wall insulation?
Internal wall insulation can cut heat loss significantly, potentially reducing your heating bills by hundreds of pounds annually.