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About us

Building Materials Supplier



Trusted Insulation Providers – Buy With Confidence


EWI RenderStore are external wall insulation specialists who provide high-quality insulation solutions for buildings. We offer a range of products and services to improve the thermal efficiency of external walls, reduce energy consumption and lower heating costs. Our team of experts can assess the specific needs of a building and recommend the most suitable insulation solution. We use top-quality materials and employ skilled tradespeople to ensure that the installation is completed to the highest standard. We also offer a range of finishes to choose from, including traditional and modern render, brick slips, and cladding. Overall, EWI RenderStore is a reliable and professional company that can help to improve the energy efficiency of your building.


Building Materials for Every Project

As a leading supplier of building materials, we provide solutions for projects of all sizes and types.  Our staff at is knowledgeable, friendly, and always ready to assist you in finding the right product for your EWI project. They will walk you through the entire process and ensure you get what you need.


Delivery and Installation Services

From bricks and concrete to roofing and insulation, we have the materials you need for your project. Check our portfolio from satisfied customers around the world.  EWI RenderStore provides fast and reliable delivery services to ensure your building materials are delivered to your site on time.


Discover New Energy Savings

External Wall Insulation: A Path to Energy Savings

As energy costs continue to rise and environmental concerns become more pressing, homeowners are increasingly looking for ways to improve the energy efficiency of their homes. One effective solution is external wall insulation (EWI). This method not only enhances the thermal performance of a building but also offers significant energy savings and environmental benefits.

What is External Wall Insulation?

External wall insulation involves applying a layer of insulating material to the exterior walls of a building, which is then covered with a protective render or cladding. This process helps to reduce heat loss through the walls, which is a common issue in many older homes.

Benefits of External Wall Insulation

  1. Energy Savings: By reducing heat loss, EWI can significantly lower your heating bills. On average, homeowners can save between £140 and £700 annually on energy costs. This is particularly beneficial for homes with solid walls, which can lose up to 45% of their heat through uninsulated walls.
  2. Improved Comfort: Insulating your external walls helps maintain a consistent indoor temperature, making your home more comfortable throughout the year. It also reduces drafts and cold spots.
  3. Environmental Impact: By reducing the amount of energy needed to heat your home, EWI helps lower your carbon footprint. It can cut carbon emissions by 410 to 2,100 kg of CO2 annually.
  4. Enhanced Property Value: Homes with better energy efficiency ratings are often more attractive to buyers. EWI can improve your home’s Energy Performance Certificate (EPC) rating, potentially increasing its market value.
  5. Aesthetic Improvements: External wall insulation can also enhance the appearance of your home. The new render or cladding can give your property a fresh, updated look.

Considerations and Costs

While the benefits of EWI are clear, there are some considerations to keep in mind:

  • Cost: The installation of EWI can be expensive, with costs ranging from £5,000 to £9,000 for a typical three-bedroom semi-detached house. However, the long-term savings on energy bills can offset this initial investment.
  • Disruption: The installation process is not disruptive but usually requires scaffolding.
  • Planning Permission: In some cases, especially for listed buildings or properties in conservation areas, planning permission may be required. It’s important to check with your local authority before proceeding.

Conclusion

External wall insulation is a highly effective way to improve the energy efficiency of your home, offering substantial savings on energy bills and reducing your environmental impact. While the initial costs and potential disruptions are considerations, the long-term benefits make it a worthwhile investment for many homeowners. By choosing EWI Render Store you can enjoy a warmer, more comfortable home and contribute to a more sustainable future.

Your Insulation Experts

Introducing our expert team

Dedicated professionals driving our success

Tony Fred

Chief Executive Officer

Founder and chief visionary, Tony is the driving force behind the company. He loves to keep his hands full by participating in the development of our insulation solutions, marketing, and customer experience strategies.

Mich Stark

Chief Commercial Officer

Mich loves taking on challenges. With his multi-year experience as Commercial Director in the construction industry, Mich has helped the company to get where it is today. Mich is among the best minds in building efficiency.

Aline Turner

Chief Technical Officer

Aline is passionate about sustainable building practices and leads a team of experts dedicated to delivering high-quality insulation solutions.

Iris Joe

Chief Financial Officer

Iris, with her international experience, helps us easily understand the market trends and improves our offerings. She is determined to drive success and delivers her professional acumen to bring the company to the next level.