External Wall Insulation
External Wall Insulation (EWI) in Kent
Upgrade comfort, improve efficiency, and transform your exterior with a complete insulation and silicone render system.
Why Choose External Wall Insulation?
External wall insulation wraps your property in a protective thermal layer, keeping heat inside during winter and helping your home feel cooler in summer. We pair EWI with silicone rendering to deliver a breathable, weather-resistant finish that stays looking sharp for years.
- Lower heat loss and improved comfort
- Reduced condensation and damp risk
- A smoother, modern exterior finish
- Better EPC ratings and energy savings
Want to compare finishes? See our silicone vs monocouche guide.
Typical EWI System
Our insulation systems are tailored to your property with clean edges, tidy detailing, and a premium silicone topcoat.
Survey and heat-loss review
We assess wall condition, exposure levels, and insulation requirements for your property.
Install insulation system
High-performance boards are fixed and reinforced for a stable, long-lasting base.
Apply silicone finish
A breathable silicone render protects the system and delivers a crisp, durable finish.
Pricing and Assessments
EWI pricing depends on wall condition, access, and insulation thickness. We provide clear, written quotes after a site visit.
For cost guidance, visit our rendering cost guide.
Ready to improve efficiency?
Book a free assessment to explore the right insulation system for your property.