It is considered a long-term improvement for your home. Typically, it can last for about 25 to 40 years, depending on the quality of materials used and the precision of the installation. Proper maintenance can extend its lifespan, ensuring an energy-efficient and well-protected home for many years.

The cost can vary depending on factors such as the size of your home, the materials used, and the complexity of the installation. Prices typically range from £ 8,000 — £22,000 for an average-sized home. However, this investment often pays for itself over time through significantly reduced heating bills.