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BEST WAYS TO INSULATE YOUR HOME
Homebuilding & Renovating
|October 2025
Choosing the right materials for maximum efficiency is key to preventing heat loss and keeping your home warm. Building expert Mark Stevenson shares his top tips

When it comes to improving the energy efficiency of your home, insulation isn't just helpful - it's essential. It is the backbone of a warm, comfortable and environmentally friendly home. But with so many options available, figuring out the best way to insulate your home can be overwhelming. I've built my own home and advised many others along the way, so whether you're self-building, renovating, or simply looking to lower your heating bills, here's why it's so important to insulate your home, plus the best ways of doing it.
BENEFITS OF INSULATING YOUR HOME
A well-insulated home keeps the heat in during winter and out during summer. Without adequate insulation, heating and cooling systems must work harder, increasing energy consumption and fuel bills. According to the Energy Saving Trust, up to 25% of heat loss escapes through uninsulated walls and roofs. That's a lot of wasted energy-energy you've paid for. Reducing energy wastage is easy - add insulation. The principle is simple: insulation reduces the rate at which heat is lost through building elements. The better the level of insulation, the slower the heat escapes. And because heating systems don't have to work as hard, you'll not just save money - you'll extend the life of your heating, too.
But insulating your home isn't just good for your bank balance – it's good for the planet as well. By reducing energy consumption, your home will generate less carbon. According to the UK's Climate Change Committee, energy use in buildings accounts for around 17% of the UK's total emissions and improving insulation is one of the most effective ways to meet net zero targets. And with lots of sustainable eco insulation products available, your choice of insulation can also help reduce the environmental impact of how it's made.
INSULATION MATERIALS
This story is from the October 2025 edition of Homebuilding & Renovating.
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