About GR4
We believe every project is a unique opportunity to combine energy efficiency, innovative design, and environmental responsibility — creating spaces that are not only functional but also in harmony with their surroundings, always maintaining a deep commitment to our clients’ needs and vision. Our approach is based on understanding you and accompanying you throughout the entire process.
Sustainable and personalized homes
We use high-quality, efficient, and environmentally friendly materials, integrating the latest technologies in energy efficiency to create homes that maximize comfort while minimizing environmental impact. We ensure that each design is fully aligned with the personal needs and desires of every client, creating spaces that truly reflect their way of living.
Renovations and energy upgrades
Whether it’s a small renovation or a large-scale project, our priority is to integrate efficient solutions such as thermal insulation and renewable energy systems to reduce CO₂ emissions and create healthier, more cost-effective homes.
Economic and efficient project management
Our goal is to achieve efficient resource management, keeping your project within budget without compromising quality or sustainability. We make sure every detail is designed to minimize environmental impact while maximizing resource efficiency and the quality of life for the inhabitants.
Your project, your vision
At GR4 Architects, we know that architecture is not just about design, but also about ethics and responsibility towards our environment. If you’re looking for personalized, innovative, and sustainable architecture, we’re ready to guide you through your project and help you build a greener, more efficient future.
TEAM
JORDI VIÑAS TERRONES
Architect – Co-founder


