External Wall Insulation London Discover how external wall insulation can keep London homes warmer, reduce heat loss, lower energy use, and improve the appearance of your property. London homes, especially older properties with solid walls, can lose a large amount of heat through their external walls. As a result, rooms may feel cold, heating systems may work harder, and energy bills can increase. External Wall Insulation London offers a practical way to improve your home's thermal performance while also giving the outside of your property a fresh finish. What Is External Wall Insulation? External wall insulation involves adding a layer of insulation to the outside walls of a property. The insulation is then covered with a protective basecoat, mesh, primer, and a suitable render or finish. Therefore, the walls gain an extra layer of protection against heat loss and changing weather conditions. This solution is particularly useful for homes with solid walls where cavity wall insulation is not suitable. Since the work is completed externally, there is also little impact on the size or layout of your rooms.