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Heat Loss Reduction by 35%: Unlocking the Power of External 100mm Installation and Silicone Rendering

March 4, 2026

In today's world, energy efficiency is a top priority for homeowners and businesses alike. Rising energy costs and environmental concerns have pushed innovation in construction and renovation, leading to smarter solutions that not only reduce energy consumption but also improve the overall comfort of living spaces. One such breakthrough is the combination of External 100mm Installation and Silicone Rendering, a project that has already proven its effectiveness by reducing heat loss by up to 35%. In addition Energy Saving Trust claims you can save between £140 and £700 annually on energy bills through external 100m installation. 


The Project: External 100mm Installation and Silicone Rendering


The goal of the recent project was to drastically improve the thermal performance of a building by installing External 100mm insulation along with silicone rendering. This method tackles two critical issues: heat loss reduction and the need for sustainable energy practices. By applying these techniques, the property sees a significant reduction in heat loss, depending on the initial state of the building’s insulation and structure.


External 100mm Installation refers to the process of adding a high-performance insulating material to the exterior of a building, which serves as a thermal barrier. This installation helps maintain consistent internal temperatures, regardless of weather conditions outside. In colder months, it reduces the need for constant heating, thus lowering energy consumption and heating costs.


Silicone Rendering, on the other hand, is applied over the insulation as a protective and decorative coating. Not only does silicone render offer aesthetic appeal, but it also contributes to reducing the building’s overall energy consumption. The silicone material is breathable, allowing moisture to escape while keeping external elements, like wind and rain, at bay. The result? A structure that is both durable and energy-efficient, keeping the building insulated without compromising on style.


Why 35% Heat Loss Reduction Matters


In practical terms, reducing heat loss by 35% means a notable decrease in the amount of energy required to keep the space warm during colder months. For homeowners, this translates into significantly lower heating bills. For businesses, it’s an effective strategy for reducing overhead costs, especially in large buildings or office spaces where heating and cooling can account for a significant portion of the monthly budget. Moreover, the environmental benefits of reducing energy use align with global sustainability goals.


For example, in an average-sized home, this reduction in heat loss could mean a reduction of up to £300-£400 annually on heating costs. For larger properties or offices, the savings could be even greater, making this investment in insulation and rendering an effective way to cut energy bills and carbon footprints.


The Specialists Behind the Solution


The success of this project was made possible with the support of our specialist supplier Eco House BM who provided high-quality materials and expert guidance. Ecohouse Store takes a whole-system approach to external wall insulation, offering a comprehensive range of insulation and render products from trusted manufacturers and well-established brand names. Their dedication to sustainability and energy efficiency, along with their commitment to delivering top-notch materials at great prices, ensured the project's outstanding results. Whether ordering online or over the phone, Ecohouse Store offers a seamless experience, delivering the right materials to your home, building project, or workplace. 


Long-Term Benefits of External Insulation and Silicone Rendering


This project doesn’t just provide short-term savings it also offers several long-term benefits:

  1. Energy Savings: With a reduction in heat loss, the demand for heating decreases, directly lowering utility costs over time. On average, this could result in savings of up to 35% on energy bills.
  2. Environmental Impact: Lowering energy consumption reduces the carbon footprint of the building, contributing to a greener, more sustainable future.
  3. Enhanced Durability: The silicone render not only improves aesthetics but also adds a layer of protection to the exterior of the building, resisting weathering, cracking, and other forms of wear. The silicone render’s resistance to moisture and harsh weather conditions helps extend the life of the building’s exterior.
  4. Increased Property Value: Energy-efficient improvements such as this are becoming increasingly sought after by homebuyers and property investors, boosting the value of the property in the long run. Energy-efficient homes are known to attract a higher resale value and marketability.
  5. Comfort: Maintaining a consistent internal temperature is vital for comfort. This insulation technique ensures that the building remains warmer in winter and cooler in summer, offering year-round comfort to the inhabitants. No more hot or cold spots in the home!


Choosing the Correct Renovator

The recent External 100mm installation and silicone rendering project stands as a prime example of how modern construction methods can significantly improve energy efficiency, reduce costs, and contribute to sustainability. By embracing these advanced techniques, property owners can take a step toward more sustainable living and enjoy the benefits of reduced heating costs for years to come.

The house after the installation and rendering!


We offer a number of renovation services to help fulfill your dream home, and with the completion of this successful project coupled with numerous other projects, our team of experts is committed to providing high-quality renovation projects. If you're looking to enhance your home’s energy efficiency or undertake a similar renovation, contact us today for a consultation and get started on your energy-efficient home improvement journey!

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