Solar for Cardiff Offices & Warehouses — Cut Costs, Go Green
Offices and warehouses are ideal candidates for solar energy. With large, flat or low-pitch roofs, consistent daytime energy usage and high electricity bills, commercial premises in Cardiff can achieve some of the best returns on solar investment of any property type.
GL Solar has installed solar systems on offices, warehouses, retail units and commercial premises across Cardiff and South Wales. Our commercial team understands the unique requirements of business installations — from minimising disruption to your operations to managing planning applications and DNO connections.
Whether you own or lease your premises, we can advise on the best approach. Many Cardiff businesses are now installing solar under Power Purchase Agreements (PPAs) — meaning zero upfront cost and immediate savings from day one.
What's Included
Commercial Site Survey
Detailed survey of your Cardiff premises including roof assessment, energy analysis and shading study.
Commercial System Design
Full electrical and structural design for your office or warehouse solar installation.
Minimal Disruption Installation
We plan installations to minimise disruption to your business — often completed at weekends.
PPA & Finance Options
Zero upfront cost options available through Power Purchase Agreements and green finance.
Commercial Battery Storage
Add commercial battery storage to reduce peak demand charges and maximise self-consumption.
Maintenance Contracts
Annual maintenance contracts to protect your commercial solar investment.
Our Process
Site Survey & Energy Analysis
We visit your Cardiff office or warehouse, analyse your energy bills and assess your roof.
Commercial Proposal
Detailed proposal with system design, projected savings, payback period and financing options.
Planning & Approvals
We manage all planning applications, DNO notifications and any structural approvals required.
Installation
Professional installation with minimal disruption to your business operations.
Commissioning
Full system commissioning, testing and grid connection.
Monitoring & Maintenance
Commercial monitoring setup and ongoing maintenance contract options.
Why Choose GL Solar Cardiff?
Commercial Specialists
Experienced in office and warehouse installations across Cardiff and South Wales.
Zero Upfront Options
PPA and green finance options available for Cardiff businesses.
ESG & Sustainability
Demonstrate your green credentials to customers, staff and investors.
MCS Certified
All commercial installations are fully MCS certified and compliant.
“GL Solar installed a 30kW system on our Cardiff office building. They managed everything — planning, DNO, installation — and were incredibly professional throughout. We're saving around £12,000 a year and the system looks great on the roof.”
Frequently Asked Questions
Areas We Cover in Cardiff & South Wales
GL Solar provides Solar for Offices & Warehouses services across Cardiff and the wider South Wales region. Whether you're in the city centre or the surrounding valleys, our local team is ready to help.