Loft Insulation

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Thinking About Installing Loft Insulation?

At Dartmoor Energy, we help households across Devon and Cornwall cut energy waste and improve comfort with high-quality loft insulation. Whether you’re topping up existing insulation or starting from scratch, our installers provide reliable advice and professional installations you can trust.

Why Loft Insulation Matters

Did you know 25% of your home’s heat is lost through the roof if it’s uninsulated?

Insulating your loft is one of the simplest and most cost-effective ways to reduce energy bills and improve home comfort.

✅ Save up to £400 per year on heating (Energy Saving Trust)
✅ Reduce heat loss and energy waste
✅ Improve EPC rating and property value
✅ Lower your home’s carbon emissions
✅ Quick to install — minimal disruption

What We Install

Our installers typically use high-performance mineral wool insulation — safe, fire-resistant, and sustainably made.

🟡 Installed to the full recommended depth (typically 300mm)
🟡 Breathable and non-combustible
🟡 Ideal for standard pitched roofs and accessible lofts
🟡 We also offer solutions for flat roofs and difficult access areas

Need loft boarding or want to retain storage space? Our installers can insulate beneath raised boarding systems to help you keep your loft usable while meeting insulation standards.

Why Dartmoor Energy?

We’re a local, independent energy company, based in the heart of the Southwest. With over a decade of experience in energy efficiency and retrofit, we’ve supported hundreds of homes through funded schemes and private work.