Construction Methods
At Grannexe, we believe exceptional construction methods are the foundation of every successful annexe project. Our approach combines modern manufacturing techniques with time-tested building principles to create garden annexes that exceed industry standards for comfort, durability, and energy efficiency.
Quality-Built Using Premium UK Materials
Our expertise, craftsmanship, and premium materials have helped us create an exceptional building process that sets new standards in garden home construction. Below you’ll find our standard build specifications that apply to most projects.
Base
We use a reinforced concrete base
Walls
Framing
Roof
Roof construction
External
External finish
Internal
Internal finish
Doors & Windows
Doors and Windows