Capital Solar. Expert Solar, Done Locally
Bringing Innovation And Reliability To Oxfordshire’s Homes And Businesses With Local Solar And Electrical Solutions.
From expertly installed solar PV systems to bespoke energy storage and maintenance, Capital Solar can help you future-proof your energy needs with care and precision.
A Local Company, A Global Vision
At Capital Solar, we’re more than just installers – we’re advocates for a brighter, sustainable future. Based in Oxfordshire, we combine cutting-edge solar technology with a personal approach, helping you save money, reduce energy reliance, and embrace eco-conscious living.
The Capital Guarantee
For all new customers, we're introducing a Capital Guarantee. We promise to reduce your energy bills by at least 50% in the first year, or we'll cover your next months bill—completely on us.
Our Services
Domestic Solar Panels
Upgrade your home’s energy system with high-performance solar panels designed to reduce energy bills, lower your carbon footprint, and increase property value. We ensure a seamless installation that’s efficient and built to last.
Commercial Solar Panels
Empower your business with sustainable, cost-effective solar energy. Our commercial solutions are designed to lower operational costs, improve efficiency, and showcase your commitment to green energy practices.
Off-Grid Solar Panels
Live independently from the grid. Whether for remote properties or eco-conscious lifestyles, our off-grid solar systems provide self-sufficient energy solutions tailored to your needs.
Battery Storage
Capture and store excess energy for when you need it most. Our advanced battery storage systems optimise energy usage, reduce reliance on the grid, and provide backup power during outages.
Solar Panel Maintenance
Keep your panels operating at peak efficiency with our comprehensive maintenance services. From routine cleaning to performance checks and troubleshooting, we ensure your system stays in top condition.
Solar Panel Bird Proofing
Protect your investment from damage caused by nesting birds. Our expert bird-proofing solutions keep your panels safe, clean, and performing at their best.
Why Choose Capital Solar?
A Partner You Can Count On
With over 20 years of experience in the solar and electrical industry, we bring unparalleled knowledge and precision to every project. From small domestic installations to large-scale commercial systems, our expertise ensures your energy solution is delivered seamlessly.
Tailored to Your Needs
No two properties or energy goals are the same. That’s why we take a bespoke approach to every project, designing systems that are optimised for your unique requirements – whether you’re a homeowner, business, or seeking off-grid solutions.
Fully Accredited Professionals
As an MCS-certified company, we adhere to the highest industry standards for safety, quality, and performance. Our accreditation provides you with confidence that your investment is in expert hands.
Exceptional Customer Care
Your satisfaction is our priority. We take the time to explain your options, answer your questions, and make sure you’re confident at every stage of the process. Our friendly team is always here to help.
Transparent Pricing & Honest Advice
No hidden fees, no pushy sales tactics – just clear communication and honest recommendations. We work with you to deliver the best solution for your budget and goals.
Our Accreditations
Meet the Team
Steven Marks
CEO
Lara Smith
CTO
John Doe
COO
Our Latest Work
Steventon
12 x 430W Panels
5kW Inverter
10.64kWh Battery Storage
Abingdon
12 x 430W Panels
6kW Inverter
9.32kWh Battery Storage
Brightwell
20 x 445W Panels
8kW Inverter
10.64kWh Battery Storage
Sutton Courtenay
11 x 530W Panels
5kW Inverter
5.2kWh Battery Storage
Steventon
12 x 430W Panels
5kW Inverter
10.64kWh Battery Storage
Abingdon
12 x 430W Panels
6kW Inverter
9.32kWh Battery Storage
Brightwell
20 x 445W Panels
8kW Inverter
10.64kWh Battery Storage
Sutton Courtenay
11 x 530W Panels
5kW Inverter
5.2kWh Battery Storage
Here's What Our Clients Have To Say
Testimonials
★
★
★
★
★
Google Review
Peter Salisbury
Dan is really helpful and great to deal with. The installation was on time and on budget and incredibly neat and tidy. Ongoing support since then has been exemplary. The panels are actually generating slightly above their rated power so that's a bonus! Thoroughly recommended.
★
★
★
★
★
Google Review
Vicki Gardner
Dan could not have been more helpful in advising on the work needed and was very responsive in communications. He fitted us in earlier than the scheduled date which was very much appreciated and we are really pleased he’s sorted out our issue with the solar inverter. Would not hesitate to recommend Capital to anyone needing solar help.
★
★
★
★
★
Google Review
Kurt Baldwin
I decided I wanted a home battery fitted. Dan took me through the options and explained everything. The quote was competitive and the installation was excellent. Great service. The team was willing to make the effort to go the extra mile to do the job right, very grateful for the hard work. Thanks.
★
★
★
★
★
Google Review
Tom Hancock
Dan at Capital Electrical and Solar was fantastic. He was great at taking the time to talk through solar options with me whilst quoting and very patient. His price was great - in line with others, but the speed and service was fantastic. He has been great also since install, helping me understand things, fixing DNO (electricity network) issues, and ensuring everything is working perfectly. Thank you Dan. Wouldn’t hesitate to recommend to anyone.
Ready to Make the Switch? Let’s Talk Solar
Whether you’re upgrading your home, running a business, or looking for off-grid solutions, we’re here to guide you every step of the way. Get in touch for a no-obligation consultation.
Learn More From
Frequently Asked Questions
Yes. Solar panels work efficiently in the UK, even on cloudy days. Oxfordshire’s moderate climate provides excellent conditions for generating renewable energy.
Most roofs are suitable for solar panels. During our free energy evaluation, we assess your roof’s structure, orientation, and shading to ensure optimal performance.
In most cases, installing solar panels on residential properties in the UK is considered ‘permitted development,’ meaning you won’t need to apply for planning permission. However, certain conditions and limitations apply, especially if your property is a listed building, located in a conservation area, or subject to other specific designations. It’s advisable to consult your local planning authority to ensure compliance with all regulations.
Installation typically takes 1–3 days, depending on the size and complexity of your system. We ensure a smooth and efficient process from start to finish.