Sustainable & Energy-Efficient Business Units for Sale
As businesses move toward a more sustainable future, securing an energy-efficient business unit is more important than ever. At Onyx Business Parks, we offer modern, sustainable commercial units designed to help businesses reduce their carbon footprint, lower operational costs, and future-proof their workspace. Our energy-efficient business units are strategically located in Devon, providing eco-friendly solutions without compromising on connectivity, flexibility, or functionality.
Join 500+ other businesses benefiting from sustainable business units

Lower Operating Costs with Energy Efficiency
Our eco-friendly business units are designed with high-efficiency insulation, LED lighting, and renewable energy integration, helping businesses cut utility costs and reduce waste.Meet Sustainability Goals and Regulations
With increasing government incentives and green building standards, Onyx Business Parks offers units that align with environmental policies, ensuring your business stays compliant while reducing emissions.Future-Proof Your Business Investment
Sustainable commercial properties increase in value over time, as businesses prioritise eco-conscious operations. Investing in an energy-efficient unit ensures long-term financial and environmental benefits.
Eco-Friendly Features of Onyx Business Units
Sustainability in commercial property is no longer optional—it’s essential. Our business units are designed with cutting-edge energy-efficient features, ensuring a greener future for your business.
Built for Energy Efficiency & Performance
- High-Performance Insulation & Ventilation – Reduce heating and cooling costs with modern, energy-efficient building materials that maintain indoor comfort.
- Renewable Energy Integration – Our units are solar-ready, with the option for businesses to install solar panels or green energy solutions.
- Smart Energy Management Systems – Track and reduce energy consumption with intelligent building automation, lowering carbon footprint and operational costs.

The Benefits of Owning an Energy-Efficient Business Space
Investing in a sustainable workspace provides long-term financial and environmental advantages, making it an ideal choice for businesses looking to operate responsibly and efficiently.
Why Sustainability Matters for Business Growth
- Cost Savings on Energy Bills – Efficient insulation, LED lighting, and solar-ready options help businesses cut energy expenses and increase profitability.
- Improved Workplace Productivity & Comfort – Sustainable buildings create healthier, more comfortable work environments, improving employee well-being and performance.
- Enhanced Brand Reputation – Businesses that commit to sustainability and eco-conscious operations attract environmentally aware clients, partners, and investors.

At Onyx Business Parks, we are committed to providing eco-friendly business spaces that meet the evolving needs of modern industries. Our properties are designed with sustainability, efficiency, and long-term investment value in mind.
1. Strategic Locations for Sustainable Business Growth
Our business units are located in key commercial hubs across Devon, ensuring businesses benefit from both sustainability and connectivity:
- Westpark, Wellington – Well-positioned with transport access and eco-friendly infrastructure.
- Skypark, Exeter – A growing commercial hub with sustainable business spaces near Exeter Airport.
- Roundswell, Barnstaple – A key business location in North Devon offering modern, green commercial units.
2. Customisable Spaces for Sustainable Operations
Our energy-efficient business units can be tailored to suit your industry needs, allowing for:
- Hybrid office-industrial configurations
- Additional green energy solutions
- Industry-specific sustainability upgrades
3. Long-Term Investment in Green Commercial Property
As sustainability regulations tighten and businesses prioritise eco-friendly operations, investing in a green business unit ensures:
- Higher property values over time
- Stronger market demand for sustainable commercial spaces
- Reduced operating costs and long-term efficiency gains
📍 Discover sustainable & energy-efficient business units in Wellington, Exeter, and Barnstaple
📞 Contact us today to secure your ideal green business space
Excellent service throughout
The service we have received from Onyx has been excellent, they have made feel part of the family and created a community by introducing us to other businesses, they are always willing to help with any problems, also given great advice on where we could get better rates on moving In costs which always helps. A special thank you to the team who are always on call whenever there is an issue.
Thomas Reed
Owner Occupier
Delighted with our three well designed units
Storland Ltd are delighted to add three well designed and built; EPC ‘A’ rated properties, on the Exeter Skypark Development, to its commercial property portfolio. Our tenants are settling in well and benefiting from the energy cost savings from the Solar panels, and report the pre-installed internet is excellent. With our thanks to Onyx Business Parks for this well-conceived development, and their care and assistance.
Elizabeth
Investor
Really happy with the unit and service from Onyx
I’m really happy with the unit and the service from Onyx. The 1,000 sq.ft size is perfect for our firm and the six parking spaces more than enough for us. The team guided me through the process from start to finish and were always available to answer any queries and arrange site visits as work progressed. The few minor snagging items I had were attended to quickly after completion.
Ian
Owner Occupier
Frequently asked questions
We're here to answer any questions you have, just reach out to our team.
Contact usWhat makes a business unit energy-efficient?
An energy-efficient business unit is designed to reduce energy consumption and operating costs while minimising environmental impact. Features such as high-performance insulation, LED lighting, energy-saving ventilation, and renewable energy integration help businesses operate more sustainably. At Onyx Business Parks, our units incorporate these modern systems to ensure long-term energy efficiency and cost savings.
What are the benefits of owning a sustainable business unit?
Owning a sustainable business unit helps lower energy bills, increase property value, and ensure compliance with evolving environmental regulations. Energy-efficient systems reduce utility costs over time, and with the growing demand for eco-friendly workspaces, properties with sustainability features often appreciate in value. Businesses also benefit from operating in a workspace that aligns with modern environmental and corporate social responsibility goals.
Where are Onyx’s energy-efficient business units located?
Onyx Business Parks offers sustainable commercial properties in key locations across Devon. Westpark, Wellington provides modern infrastructure and excellent transport access. Skypark, Exeter is a prime commercial hub near Exeter Airport, ideal for businesses seeking an eco-friendly workspace with excellent connectivity. Roundswell, Barnstaple serves North Devon’s business sector with energy-efficient industrial units designed to support growth and sustainability.
Can I customise my business unit to include more sustainable features?
Yes, all of our commercial units can be customised to meet your specific sustainability goals. Businesses can integrate solar panels, install EV charging stations, and add smart energy management systems to optimise energy use. Onyx Business Parks provides flexible workspaces that allow companies to incorporate additional green technology, helping them operate more efficiently while reducing their carbon footprint.
How much can I save by investing in a sustainable business unit?
Energy-efficient buildings help businesses significantly reduce energy costs over time. Depending on energy consumption and efficiency upgrades, businesses can lower their electricity and heating expenses by 30-50% compared to traditional commercial units. These savings make a noticeable impact on long-term operational costs while improving overall efficiency and sustainability.
Why should I buy an energy-efficient unit instead of leasing?
Purchasing an energy-efficient business unit provides long-term financial stability, eliminates rental price increases, and allows full control over sustainability upgrades. Ownership also means benefiting from property value appreciation, particularly as demand for eco-friendly commercial spaces continues to rise. Owning a unit at Onyx Business Parks gives businesses security, cost savings, and the ability to customise their workspace for maximum efficiency.
What industries benefit from energy-efficient business units?
Energy-efficient business units benefit a wide range of industries, including technology and innovation companies that require modern infrastructure, manufacturing and industrial businesses looking to reduce overhead costs, and e-commerce and logistics firms needing secure, energy-efficient warehousing. Onyx Business Parks offers flexible units that cater to diverse business needs while supporting sustainable growth.
How do I purchase a sustainable business unit?
If you’re looking to invest in an energy-efficient commercial space, Onyx Business Parks can guide you through the purchasing process. Our team will help you explore available units, discuss customisation options, and ensure you secure a workspace that meets your operational and sustainability requirements. Contact us today to find the perfect eco-friendly business unit for your company.
Start your journey with Onyx

