Keep the Heat In: Why Internal Wall Insulation Could Be the Upgrade Your Home Needs.

When it comes to keeping your home warm and your energy bills low, most people think about loft insulation or double glazing first. But one of the biggest culprits for heat loss in older properties is uninsulated solid walls. That’s where Internal Wall Insulation (IWI) comes in.

Internal Wall Insulation is normally done room by room.

What is Internal Wall Insulation?

Internal Wall Insulation involves fitting insulation boards or a stud system with insulation material to the inside of external walls. This adds a thermal layer between the cold brickwork and your living space, making your home warmer and more energy-efficient.

Why Choose IWI?

• Energy Savings – Solid walls can lose twice as much heat as cavity walls. Adding IWI can dramatically reduce this.

• Lower Bills – With less heat escaping, your heating system doesn’t need to work as hard, meaning reduced energy costs.

• Improved Comfort – No more cold, draughty walls in the winter. Rooms feel warmer and cosier all year round.

• Eco-Friendly – By cutting down on wasted energy, you are reducing your carbon footprint and helping the UK move towards net zero.

Is Your Home Suitable?

IWI is particularly suitable for older homes (typically pre-1930s) with solid walls. It’s also a great option if external wall insulation (EWI) isn’t possible, for example, in conservation areas or where you want to maintain the look of your property’s exterior.

As part of every Internal Wall Insulation (IWI) installation, your home will also receive a brand-new ventilation system to keep the air fresh and healthy. This includes mechanical ventilation fitted in key areas like your kitchen and bathrooms/wet rooms. The best part? It comes at no extra cost to you. Proper ventilation prevents condensation and damp, ensuring that your home stays not just warmer but also healthier to live in.

Brand new ventilation in your property -  comes at no extra cost to you.

Funding Support

The good news is that Internal Wall Insulation may be fully or partially funded under government-backed schemes such as ECO4, LA Flex or the Great British Insulation Scheme (GBIS). These grants are designed to make energy efficiency upgrades more affordable for households across the UK.

If your home feels chilly no matter how high you turn up the heating, Internal Wall Insulation could be the answer. Not only does it help reduce bills, but it also improves comfort and makes your home more sustainable.

👉 Interested in finding out if you qualify for funding support? Get in touch with our team today at office@energius.co.uk or visit www.energius.co.uk.