Insulated Lime Render – Walmer, Kent

Service: Lime Render system with Steico wood fibre insulation
Location: Walmer, Kent
Client: Domestic client
When: Completed in spring 2026
Purpose: Apply a fully breathable, insulated lime render system to a new-build Passivhaus, supporting its 100% energy-efficient design.

Project Overview

Regency Projects carried out an insulated lime render installation on a Passivhaus new-build in Walmer, Kent, constructed by specialist Passivhaus builders to a 100% energy-efficient standard.

Because the building’s performance depended on a fully breathable envelope, we installed a Steico wood fibre insulation system rather than a standard EPS board, keeping the wall build-up in line with the wider Passivhaus approach. This was finished with a lime-based base coat in Warm Shell, reinforced with embedded orange mesh, followed by a breathable lime top coat in a soft green finish.

Working to the demands of a Passivhaus specification calls for real precision in how a render system is detailed and applied. This project reflects our ability to deliver breathable, natural render systems that support the performance goals of highly energy-efficient new builds in Kent.

What We Did

• Installed a Steico wood fibre insulation system to the external walls.
• Applied a lime base coat in Warm Shell across the insulated substrate.
• Embedded orange reinforcing mesh into the base coat for added strength.
• Finished the property with a breathable lime top coat in a green finish.
• Detailed reveals, corners and openings to a clean, consistent standard throughout.
• Completed the render system in line with the property’s Passivhaus specification.

Results

• Delivered a fully breathable render system suited to a Passivhaus build.
• Supported the property’s 100% energy-efficient design with a compatible wall build-up.
• Gave the new-build a distinctive, natural lime green finish.
• Provided a durable, reinforced base coat beneath a traditional lime top coat.
• Completed a specialist render installation for a Passivhaus property in Walmer, Kent.

Looking for insulated lime render in Walmer or a breathable render system elsewhere in Kent? Get in touch with Regency Projects to discuss your project.