External wall insulation involves fixing a layer of insulation material to the wall, then covering it with a reinforcement and a special type of render. The finish is usually a textured render, or sometimes a brick slip or a brick effect render finish can be used.

• Can save approx. £475* per property per year.
• Can save approx. 1.9 tonnes* of carbon dioxide per year.
• Can be applied with minimal disruption to the household.
• Does not reduce the floor area (living space) of the property.
• Improves the appearance of the property, potentially increasing the property’s value.
• Improves weatherproofing and sound resistance.
• Can make the building more airtight, reducing drafts and heat loss.
• Increases the life of the existing property by protecting the existing substrate from the weather.
• Reduces condensation on internal walls and can help prevent damp (but will not solve rising or penetration damp)