Timber Frame Build System

The Beattie timber frame build system forms the foundation of every project. It is a fabric-first construction approach that combines structural design, insulation strategy and airtightness into a single system.

Designed using Passivhaus principles, it provides a repeatable and predictable way to deliver low-energy, high-performance homes across self-build, housing and development projects.

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Structural Thermal Envelope

At the core of the system is the structural thermal envelope. This approach integrates structure and insulation to create a continuous, airtight and thermally efficient building fabric.

By removing common points of failure such as thermal bridges and air leakage, the system safeguards performance and ensures that buildings perform as designed over the long term.

Retrofit System

Beattie’s performance-led approach can also be applied to existing buildings. The retrofit system focuses on improving the building fabric through insulation, airtightness and thermal upgrades.

Using the same principles as new build, retrofit projects benefit from improved energy performance, increased comfort and extended building life.

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Design & Technical Capability

Design and technical integration are built into the Beattie Build System. When specified, the system includes the technical Passivhaus design, detailing and coordination required to deliver performance.

Working alongside architects and consultants, Beattie ensures that structure, detailing and performance targets are aligned from the outset, reducing risk and supporting successful delivery on site.

Benefits & Performance

The system is designed to deliver measurable outcomes. By integrating performance into the building fabric, it reduces risk, improves programme certainty and supports long-term operational efficiency.

This translates into lower energy demand, improved comfort and greater confidence that buildings will perform as intended.

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Social Value

Beyond energy performance, the Beattie approach supports wider environmental and social objectives. The use of timber, local supply chains and structured delivery contributes to reduced carbon impact and long-term community benefit.

The system supports sustainable construction while delivering durable, high-quality homes.

A system designed for confident delivery

The Beattie Build System provides a clear, structured approach to delivering high-performance housing. It is supported by integrated design, proven detailing and consistent delivery methods.

Explore how the system can support your project and performance targets.

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