Building sustainably, for today and tomorrow
We're committed to reducing the environmental impact of construction, without compromising on performance or design.
The way we build today shapes the world we live in tomorrow. At Pentagon, we’re committed to helping you reduce the environmental impact of your projects, without compromising on performance, style or long-term value.
Whether you’re planning a new build, upgrading an existing space or choosing materials for a renovation, we’ll help you make informed, sustainable choices at every stage.
What is sustainable construction?
Sustainable construction means designing and building in ways that protect the planet’s resources while delivering buildings that last. It’s about using less energy, reducing waste, lowering emissions and creating healthier environments – all while keeping projects practical, efficient and cost-effective.
Why materials matter
Choosing sustainable materials, like responsibly sourced timber or low-impact composites, can dramatically reduce a building’s environmental footprint. These choices often don’t increase costs, and they can lower energy use, maintenance and waste over the building’s lifetime.
Why it matters to all of us
The construction industry contributes:
- 50% of the UK’s total carbon emissions
- 90% of all surface mineral extraction
- Over 25% of landfill waste
With only 1% of buildings replaced each year, the challenge is to improve both what we build and what already exists.
Since we spend around 90% of our time indoors, sustainable design also directly improves wellbeing.
Where waste happens – and how to avoid it
From raw materials to final fit-out, construction generates waste at every step. But better choices lead to better outcomes.
- A steel frame may carry unseen environmental costs from mining and manufacturing.
- A timber frame, when sustainably sourced, offers a lower-impact alternative with strong performance.
By planning for sustainability from the start, you can reduce waste, cut energy use and build more responsibly – without sacrificing quality.
Our commitment to greener building
At Pentagon, we’re actively helping customers across the Channel Islands build more sustainably by:
- Reducing waste through reuse, recycling and better product choices
- Promoting energy- and water-efficient materials and practices
- Sourcing products with sustainability credentials
- Supporting architects, contractors, designers and homeowners through education and advice
- Introducing tools to monitor and measure sustainability outcomes
Let’s build better together
Sustainable building is a journey – one choice, one project at a time. Whether you’re a homeowner, a builder or an architect, we’re here to support you with practical products, advice and long-term thinking.
Talk to us about how we can help you build smarter and greener.