Experts in Retrofits Explore Our Services External Wall Insulation Reduce energy loss, lower your heating bills, and enhance your home's thermal performance. K Rendering Durable, weather-resistant finish available in a variety of colours and textures. Rendering & Plastering Smooth, clean finishes for both traditional and modern facades.

We believe in delivering long-lasting, high-quality exterior finishes that improve both function and appearance . Our team is committed to honest advice, skilled workmanship, and reliable service from start to finish. We stand for energy efficiency, durability, and customer satisfaction on every project.

About Our Company About Us:  Trusted External Insulation & Rendering Specialists in London Elqeni External Insulation specialises in providing high-quality external wall insulation solutions to protect properties and improve energy efficiency. Our expertise in external wall insulation ensures reduced energy loss, lower heating costs, and enhanced thermal performance for homes and buildings across London. With a focus on quality craftsmanship and customer satisfaction, we deliver durable and aesthetically pleasing results tailored to each project.

We are backed by industry leaders Certifications About Our Company Meet Our Team Jesse Austin Chloe Wilson James Williams James Davis Frequently Asked Questions What is external wall insulation External wall insulation (EWI) involves adding an insulating layer to the outside of your property, followed by a weatherproof render finish. It helps retain heat, lowers energy bills, reduces dampness, and improves the appearance of your exterior. It’s ideal for solid-wall or older homes across London.