Is cavity wall insulation suitable for your home?
If your house is relatively new, it probably already has insulation. To check, consider these steps:
Inspection
Ask a registered installer for this. They'll drill a small hole in your external wall to inspect whether the walls are hollow or filled.
Building Control Department
Check with your local authority's building control department for information.
Understand the Cavity Wall
A cavity wall consists of two layers separated by a gap called the cavity. The outer layer is typically made of bricks, while the inner layer can be either bricks or concrete blocks. Houses built after the 1920s usually have this structure known as cavity walls, whereas older homes, predating the 1920s, are more likely to have solid walls—a single, thick layer made of bricks or stone. To identify your wall type, examine the external brickwork. Cavity walls display a uniform brick pattern with all bricks laid lengthways.
Costs and Savings
Important Notices
Your home is suitable for standard cavity wall insulation if it meets these criteria:
- External walls are unfilled cavity walls.
- Cavity is at least 50mm wide and clear of rubble.
- Masonry or brickwork is in good condition.
- Walls aren’t exposed to heavy rain.
- Home isn’t at risk of flooding.
- An installer will survey your house to confirm suitability. If suitable, insulation can be done using mineral wool or polystyrene beads.
- For homes with narrow cavities, exposed locations, or flood risks, polyurethane foam might be suitable but is more expensive. A specialist will assess this.
- Fix any internal damp issues before insulating.
- If your home’s walls connect to another house, a cavity barrier will prevent impact on neighbors.
- Flat insulation requires agreement from all residents; individual flat insulation is not feasible.
Here's how Cavity Wall Insulation with Green Energy Efficiency transforms your home
- Lower Energy Bills: Save up to £515 annually on heating—it’s like getting a free holiday every year!
- Warmer, Cosier Home: Enjoy consistent warmth and comfort throughout the year.
- Enhanced EPC Rating: Improve your home’s energy rating, making it more appealing to buyers and potentially increasing its value.
- Eco-Friendly: Cut your carbon footprint and contribute to a greener planet.
FAQ
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From assessment to installation, we ensure a smooth and hassle-free experience for our customers. Our experts will guide you through the entire process, addressing any queries you may have.