External Wall Insulation in Norfolk

External Wall Insulation (EWI) in Norfolk

Energy‑Efficient External Wall Insulation Systems With a Modern Render Finish

We install high‑performance External Wall Insulation (EWI) systems across Norfolk, helping homeowners reduce heat loss, cut energy bills and improve the appearance of their property. EWI combines insulation boards with a reinforced render system, creating a warm, weather‑resistant and modern exterior finish.

Perfect for older homes, solid‑wall properties, extensions and full refurbishments.

What Is External Wall Insulation?

External Wall Insulation involves fixing insulation boards to the outside of your property, then applying:

• Basecoat

• Mesh reinforcement

• Primer

• Silicone or thin coat render

This creates a warm, breathable and highly durable exterior envelope.

Benefits of External Wall Insulation

• Reduces heat loss by up to 45%

• Lowers energy bills

• Eliminates cold spots and condensation

• Improves comfort all year round

• Modern, clean render finish

• Protects walls from weather and moisture

• Ideal for older solid‑wall homes

• Wide range of colours and textures

Our EWI Installation Services

1. Full External Wall Insulation Systems

We install complete EWI systems using high‑quality materials:

• EPS insulation

• Mineral wool insulation

• Phenolic insulation (high‑performance option)

• Mesh‑reinforced basecoat

• Silicone or thin coat render finish

This ensures maximum thermal performance and long‑lasting durability.

2. Silicone & Thin Coat Render Finishes

Choose from:

• Smooth thin coat

• Fine texture

• Medium texture

• Wide range of colours

These finishes are flexible, breathable and resistant to cracking.

3. EWI for Older & Solid‑Wall Properties

Perfect for:

• Victorian homes

• Cottages

• Brick or block properties

• Homes with no cavity insulation

EWI dramatically improves warmth and comfort in older buildings.

4. Patch Repairs & System Upgrades

We repair and upgrade existing EWI systems:

• Replace damaged insulation

• Reinforce with mesh

• Reapply thin coat render

• Colour‑match where possible

Ideal For

• Older homes with poor insulation

• Extensions

• Full house refurbishments

• Energy‑efficiency upgrades

• New builds wanting high thermal performance

• Commercial units

Why Choose Us

• Experienced EWI & render installers

• Clean, tidy and reliable

• High‑quality materials from trusted brands

• Long‑lasting, energy‑efficient results

• Competitive pricing

• Local Norfolk team with years of experience