Solar Panel Installation in Cardiff — Done Right, First Time
GL Solar is Cardiff's leading solar panel installation company, serving homeowners and businesses across South Wales. As a fully MCS certified installer, every solar panel system we fit qualifies you for the Smart Export Guarantee (SEG) — meaning you get paid for the excess energy you generate and export back to the grid. If you're searching for 'solar panel installation near me Cardiff' or 'solar installer near me', you've found your local experts.
Our Cardiff-based team handles everything from the initial free survey and system design through to installation, grid connection and aftercare. We use only tier-1 solar panels from trusted manufacturers — JA Solar, Jinko, REC, LONGi and Canadian Solar — ensuring your system delivers maximum output for 25+ years. All electrical work is carried out by NAPIT-approved electricians to the highest safety standards.
Whether you're in Roath, Pontcanna, Canton, Llandaff, Whitchurch, Cyncoed or anywhere across the Cardiff area, our local engineers are on hand to provide a fast, professional service with no hidden costs. Searching for 'solar panel installation near me Cardiff'? You've found your local specialists covering all CF postcodes.
Cardiff's housing stock is wonderfully varied — from Victorian terraces in Cathays and Roath to modern new-builds in Pontprennau and St Mellons. We have extensive experience with every property type and roof style across the city, meaning we can design and install the perfect solar system for your specific home, whatever its age or construction.
Solar panel installation in Cardiff delivers an exceptional return on investment in 2025. With electricity prices at record highs, a typical 4kW system saves £600–£1,000 per year on energy bills, plus earns £40–£225 annually through the Smart Export Guarantee. Over a 25-year lifetime, that's £16,000–£30,000 in total savings. And research shows solar panels add an average of £1,891 per kW to your property value — a 4kW system could add £7,500+ to your Cardiff home.
What's Included
Free Home Survey
We visit your Cardiff property to assess roof suitability, orientation, shading and structural condition before recommending a system. Free within 48 hours.
Custom System Design
Bespoke solar system designed around your energy usage, roof space, orientation and budget using industry-leading design software.
Full Installation
Our NAPIT-approved electricians handle all mounting, wiring, inverter installation and consumer unit connections across Cardiff.
Grid Connection & DNO
We manage all Distribution Network Operator (DNO) paperwork and grid connection notifications — no hassle for you.
MCS Certification
Every installation is MCS certified — essential for SEG payments, warranties and government incentives.
Aftercare & Support
Ongoing monitoring support and a dedicated aftercare team based in Cardiff. We're always here if you need us.
Our Process
Free Survey & Quote
We visit your Cardiff home, assess your roof, energy usage and shading, and provide a detailed free quote — no obligation, no pressure.
System Design
Our engineers design a bespoke solar system optimised for your roof orientation, shading profile and energy needs, with projected savings and payback period.
Scaffolding & Preparation
We arrange all scaffolding and prepare your roof for installation, ensuring everything is safe, compliant and ready for the installation team.
Panel & Inverter Installation
Our NAPIT-approved electricians fit your solar panels, inverter and all associated wiring to the highest standard, typically in 1–2 days.
Grid Connection
We handle all DNO notification and grid connection paperwork so your system is fully legal, compliant and ready to export surplus energy.
Handover & Monitoring Setup
We walk you through your new system, set up your monitoring app and register your MCS certificate for SEG payments. You're ready to start saving.
Why Choose GL Solar Cardiff?
MCS Certified
Required for SEG payments and government incentives — we're fully certified and registered.
Cardiff Based
Local Cardiff team, fast response, no call-out charges across all CF postcodes and South Wales.
NAPIT Approved
All electrical work is carried out by NAPIT-approved electricians to the highest safety standards.
Transparent Pricing
No hidden costs. Detailed quotes with everything included upfront — panels, inverter, mounting, wiring and all paperwork.
5-Star Rated
Consistently 5-star reviews from Cardiff homeowners on Google, Checkatrade and Facebook.
10+ Years Experience
Over a decade of solar and electrical experience across South Wales — 500+ completed Cardiff installations.
“GL Solar installed our 4kW system in Pontcanna last spring. The whole process was seamless — from the free survey to the final handover. Our bills have dropped massively and we're already earning from the SEG every month. Couldn't recommend them more highly to anyone in Cardiff.”
Frequently Asked Questions
Areas We Cover in Cardiff & South Wales
GL Solar provides Solar Panel Installation 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.