The reasons thousands of customers trust us with their homes and properties
Industry-leading expertise
We’re not a sales company that outsources installations. We’re an accredited energy specialist with experienced in-house teams delivering renewable energy solutions every day.
MCS Certified
TrustMark Registered
QualityMark Accredited
First accredited Octopus Cosy installer
Fully insured and compliant
You benefit from expert advice, quality workmanship and complete peace of mind.
Many companies focus on one technology.
We take a whole-property approach.
Whether you need:
our specialists design solutions that work together to maximise efficiency and savings.
In 2025, Smart Energy Homes was recognised as:
🏆 UK’s Fastest Growing Green Business
🏆 Fastest Growing Company in Wales
These achievements reflect the trust our customers place in us and the growing demand for renewable energy solutions delivered the right way.
Our relationship doesn’t end when your system is switched on.
We support customers with:
Whether it’s adding battery storage to an existing solar system or installing an EV charger later, we’re here for the long term.
A simple process from enquiry to installation
Complete a quick enquiry form or speak with our team. We'll understand your requirements, property type and energy goals. What you'll get: Expert guidance, no obligation advice and an initial suitability assessment.
If you choose to move forward, we'll arrange a detailed survey of your property to confirm the proposed system and ensure everything is designed for optimal performance. Our experienced surveyors assess the technical requirements, answer any questions you may have and make sure the installation is planned around your home and your needs.
Once we've reviewed your requirements, our energy specialists will design a solution tailored to your property, lifestyle and budget. Whether you're interested in solar panels, battery storage, an air source heat pump, EV charging or a combination of technologies, we'll provide clear recommendations, projected savings and transparent pricing so you can make an informed decision without any pressure.
Once your survey has been completed and approved, our qualified installation teams will carry out the work to the highest industry standards. We coordinate every stage of the project, keeping you informed throughout the process, before fully commissioning your new system and providing all relevant certification, guidance and aftercare support.
Once installed, we'll remain on hand to support you. Aftercare includes: Product warranties, customer support, maintenance options and future upgrade advice.
Every project is delivered to strict industry standards.
MCS Certified
Independent certification demonstrating technical competence and quality.
TrustMark Registered
Government-endorsed quality assurance for home improvements.
Octopus Cosy Accredited
The UK’s first accredited installer of the Octopus Cosy Heat Pump.
Fully Compliant & Insured
Delivering installations safely and professionally across the UK.
1,000s
Customers helped across the UK
Named
UK's Fastest Growing Green Firm
We We're The
First accredited Octopus Cosy installer
Nationwide
Coverage across residential, affordable housing and commercial sectors
Behind every installation is a team passionate about creating smarter, more sustainable homes and businesses. From surveyors and engineers to project managers and customer support specialists, every member of our team is committed to delivering a first-class customer experience.
Making a difference beyond renewable energy
We believe creating a better future means supporting the communities around us. We are proud supporters of:
Velindre Cancer Charity
Supporting patients, families and life-changing cancer research across Wales.
Tŷ Hafan
Providing vital care and support for children with life-limiting conditions and their families.Through fundraising, volunteering and awareness initiatives, we’re committed to making a positive impact where it matters most.
Whether you’re considering solar panels, battery storage, a heat pump, EV charging or insulation improvements, our team is here to help.
Over the years, we have built a strong reputation for delivering electrical and renewable energy solutions for homeowners across South Wales. As part of our continued growth, we are expanding our capabilities to support larger residential developments, social housing providers, educational facilities and commercial properties. Our experience in solar PV, battery storage, EV charging, consumer unit upgrades, electrical testing and energy efficiency improvements provides a strong foundation for delivering projects across a wide range of sectors.