Insulating your walls is an excellent way to enhance the energy efficiency of your home. However, choosing between internal and external wall insulation can be a significant decision. To simplify the process, this article highlights key factors to consider when making your choice:

1. Space: The amount of space available can often determine whether to opt for external or internal wall insulation. Traditional insulation materials like panels or blocks can be bulky, reducing the interior space significantly. In such cases, people tend to choose external insulation. However, modern products like CorkRend offer a thin 8mm coating that allows for insulation from the inside, preserving space.
2. Appearance: Insulation will naturally alter the appearance of your building, whether internally or externally. Internally, you can expect a fresh plaster finish that requires decoration. Externally, insulation boards typically have a rendered finish or a naturally insulative surface. If your house already has a rendered exterior, choosing external insulation can enhance both thermal efficiency and wall appearance. However, for listed or conservation buildings, external wall insulation may be prohibited, making internal wall insulation a better solution. Always check with local authorities or a conservation officer in such cases.
3. Cost: Cost is an essential factor for most home improvements, including wall insulation. Internal wall insulation projects generally cost less since they don’t require scaffolding or alternative platforms. External insulation materials may also be more expensive due to their weatherproofing requirements. It’s important to prioritize quality over solely considering cost. Investing in good insulation will pay off over time by reducing energy bills.
4. Performance: In terms of efficiency, external wall insulation typically offers superior performance. It forms a complete and uninterrupted barrier on the outer side of the walls. Conversely, internal wall insulation is limited to the floor-to-ceiling area on each level, resulting in cold bridges between floors where some heat can escape.

In conclusion, the decision between internal and external wall insulation depends on your specific requirements. External insulation provides better performance and a refreshed wall appearance, while internal insulation is still highly effective, usually costs less, and may be more suitable for listed or conservation buildings. CorkRend offers a thermally efficient coating option for both external insulation and internal coating, helping reduce heating bills by up to 15%. To learn more, you can contact CorkRend at 07592485118 or email corkrendlimited@gmail.com.