Category: FAQ

How long does EWI last?

How long does EWI last?

When installed correctly, EWI should last for a minimum of 25 years. You can, however, expect your system to last much longer. As long as the system is correctly encased in a waterproof final render coating, it will be protected from the weather, and there shouldn’t...
How long does EWI last?

Can I get a grant for EWI?

Grants become available all the time. Current grants are available through Local Authority Delivery, Home Upgrade Grants and The Energy Company Obligations Scheme (ECO). They are often based on the type of property you live in, whether you are on certain benefits or...
How long does EWI last?

How much does EWI cost?

Costs range massively as each installation is unique. However, you can expect between £10,000-£15,000. Statistics from the Energy Saving Trust (EST) state that the typical installation cost of external wall insulation on a three-bedroom semi-detached property is...
How long does EWI last?

How does EWI work?

External wall insulation is a type of insulation attached to the outside of your walls. Two layers of material are used – the first offers excellent insulation characteristics that retain heat within your property – the second is an outer layer of mineral...